WO2018126412A1 - Wireless communication method and device - Google Patents

Abstract

The invention discloses a wireless communication method and a device, which can reduce signaling overhead. The method comprises: network equipment uses multiple downlink transmitting beams to transmit a downlink signal; the network equipment receives M₁ metric information sets sent by terminal equipment, the first metric information set comprising at least one of the following: metric value information corresponding to a first downlink transmitting beam, metric value information of each downlink beam pair in M₂downlink beam pairs formed by the M₂downlink receiving beams of the terminal equipment, M₁and M₂being not equal to 1 at the same time; the network device uses each uplink receiving beam in multiple uplink receiving beams to measure uplink signals sent by the terminal equipment by using multiple uplink transmitting beams to obtain an uplink measurement result; and the network equipment determines a correspondence result of the correspondence of the transmitting/receiving beam according to the M₁sets of metric information and the uplink measurement result.

Description

Wireless communication method and device Technical field

Embodiments of the present invention relate to the field of communications and, more particularly, to a wireless communication method and apparatus.

Background technique

In a multi-beam system, a terminal device and a network device can train multiple beams by beamforming, and different beams can correspond to different directions and different coverage areas. Specifically, the terminal device may have multiple uplink transmit beams and multiple downlink receive beams, and the network device may have multiple uplink receive beams and multiple downlink transmit beams. Before performing the specific uplink data transmission, the terminal device and the network device need to separately determine the uplink transmit beam and the uplink receive beam used in the current data transmission, and before performing the specific downlink data transmission, the terminal device and the network device need to be separately determined. The downlink transmit beam and the downlink receive beam used in the downlink data transmission have a large signaling overhead and a heavy equipment load.

Summary of the invention

Embodiments of the present invention provide a wireless communication method and apparatus, which can reduce signaling overhead.

A first aspect, there is provided a wireless communication method, comprising: a plurality of network devices using downlink transmit to each terminal device transmits a downlink signal to the downlink transmit beams of beams; the network device receives the terminal apparatus transmits a downlink and M ₁ th the transmit beam corresponding to information collection of metrics M _1, a first information set and the metric M ₁ downlink transmit beams corresponding to a first downlink transmit beam includes at least one of the following information: the first downlink The identification information of the transmit beam, the identifier information of each downlink receive beam of the M ₂ downlink receive beams of the terminal device, the metric value information corresponding to the first downlink transmit beam, the first downlink transmit beam, and the M ₂ M downlink reception beam composed of _two downlink beams of the metric information for each of the downlink beams, wherein the first downlink transmit a first downlink reception beam constituting a beam to the M downlink reception beam ₂ of a first downlink beam pair, the metric of the first downlink beam pair is that the terminal device uses the first downlink receive beam to measure the network device to use the first downlink transmit wave. Transmitting the downlink signal obtained, M ₁ and M ₂ are both integer equal to or greater than 1, and M ₁ and M ₂ are not simultaneously equal to 1; the network device using the received plurality of uplink beams in each of the measured uplink reception beam the terminal device transmits uplink signals using a plurality of uplink beams transmitted to the uplink measurement results; correspondence result of the device to the network and the uplink measurement results M ₁ based on the information set metrics, determine a transmit / receive beam correspondence.

The metric value information of the first downlink beam pair and the first downlink beam pair formed by the first downlink receiving beam may be that the terminal device uses the first downlink receiving beam to measure the network device adopting the first downlink. The downlink signal sent by the transmit beam is obtained. Optionally, the metric information of the first downlink beam pair may be determined by the terminal device according to the measurement value corresponding to the first downlink beam pair.

Optionally, the metric value information corresponding to the first downlink transmit beam may be that the terminal device uses the downlink receive beam to measure the downlink sent by the network device by using the first downlink transmit beam. The signal is obtained. Optionally, the metric value information corresponding to the first downlink transmit beam may be that each of the multiple downlink beam pairs formed by the terminal device according to the first downlink transmit beam and the multiple downlink receive beams. Determined for the corresponding measured value.

Specifically, a plurality of downlink transmission beam that the network device comprises a downlink transmit beams M _1, receiving a plurality of downlink beams of the terminal device comprises receiving the downlink beam M _2.

Alternatively, the correspondence result of the transmit/receive beam correspondence may include whether the transmit/receive beam correspondence is established and/or at least one transmit/receive beam pair that satisfies the beam correspondence.

The wireless communication method according to an embodiment of the present invention, the terminal equipment uses network device may transmit a plurality of downlink signal beams transmitted downlink is measured, and the network device transmits downlink transmit beams M ₁ to M ₁ corresponding metrics information sets The first metric information set corresponding to the first downlink transmit beam may include at least one of the following information: identifier information of the first downlink transmit beam, and corresponding to the first downlink transmit beam metric information, M of the terminal device ₂ receives the downlink beams each received identification information of the downlink beam, the downlink transmit a first downlink beam M ₂ beam configuration of the downlink M ₂ receive beams for each Metric information for the downlink beam pair. The network device may be _a set of M metrics information for the uplink measurement results obtained by a plurality of uplink transmission using an uplink signal beam to be transmitted to the terminal device, determines the transmit / receive beams corresponding to the result of the correspondence, help to reduce the letter Make the cost and have better accuracy.

In a first possible implementation of the first aspect, the network device based on the information set metrics M ₁ and the uplink measurement results, the transmit / receive beam corresponding to the result of the correspondence, comprising: the network device based on the Determining, by the M ₁ metric information set and the uplink measurement result, a correspondence result of the transmit/receive beam correspondence at the network device; and/or determining, by the network device, the M ₁ metric information set and the uplink measurement result The result of the correspondence of the transmit/receive beam correspondence at the terminal device.

With reference to the foregoing possible implementation manner of the first aspect, in a second possible implementation manner of the first aspect, the method further includes: the network device sending a correspondence indication message to the terminal device, where the correspondence indication message is used Corresponding results indicating the correspondence of the transmit/receive beams.

With reference to the foregoing possible implementation manner of the first aspect, in a third possible implementation manner of the first aspect, before the network device uses each downlink transmit beam of the multiple downlink transmit beams to send the downlink signal to the terminal device, The method further includes: when the time interval between the current first moment and the second moment before the first moment reaches a preset time interval, the network device determines to perform the determining the transmit/receive beam correspondence A flow of correspondence results, wherein the second moment is a nearest neighboring start time for which the transmit/receive beam correspondence is determined.

Optionally, if it is determined that the transmit/receive beam correspondence is established, the network device and the terminal device may continue to maintain the correspondence of the transmit/receive beam by default within a preset time interval, and when the preset time interval is reached, The network device and the terminal device can determine whether the transmit/receive beam correspondence is still valid.

With reference to the foregoing possible implementation manner of the first aspect, in a fourth possible implementation manner of the foregoing aspect, before the network device uses each downlink transmit beam of the multiple downlink transmit beams to send the downlink signal to the terminal device, The method further includes, in the case where the network device needs to change a transmission mode or transmission parameter for data transmission with the terminal device, the network device determines a flow of performing a correspondence result of determining the correspondence of the transmit/receive beam.

Optionally, the network device may determine, according to a current state, such as a current network state or a current channel state of the network device and the terminal device, that a transmission mode or a transmission parameter for performing data transmission with the terminal device needs to be changed. Optionally, the network device may also determine, according to the request of the terminal device, that a transmission mode or a transmission parameter used for data transmission with the terminal device needs to be changed.

With reference to the foregoing possible implementation manner of the first aspect, in a fifth possible implementation manner of the first aspect, before the network device uses each downlink transmit beam of the multiple downlink transmit beams to send the downlink signal to the terminal device, The method further includes: the network device sending configuration indication information to the terminal device, where the configuration indication information is used to indicate that the network device uses a plurality of downlink transmit beams to send a downlink signal.

With reference to the foregoing possible implementation manner of the first aspect, in a sixth possible implementation manner of the foregoing aspect, the network device, by using each of the multiple downlink transmit beams, to send the downlink signal to the terminal device, includes: The network device sends a downlink signal to the terminal device by using each of the plurality of downlink transmit beams according to the original configuration, where the original configuration is used for the network design. The downlink signal is transmitted to the terminal device in the flow of performing the corresponding result of determining the correspondence of the transmit/receive beam last time.

In a second aspect, a wireless communication method is provided, including: the terminal device adopts a plurality of downlink receive beam measurement network devices, and uses the downlink signals sent by each of the plurality of downlink transmit beams to obtain a downlink measurement result; terminal device according to the downlink measurement results to the network device transmits downlink transmit beams M ₁ to M ₁ corresponding metrics information sets, a first transmit the first downlink beam corresponding to the M ₁ downlink transmit beams of The metric information set includes at least one of the following information: the identification information of the first downlink transmit beam, the metric value information corresponding to the first downlink transmit beam, and each of the M ₂ downlink receive beams of the terminal device. The identification information of the downlink receiving beam, the metric information of each of the M ₂ downlink beam pairs formed by the first downlink transmitting beam and the M ₂ downlink receiving beams, wherein the multiple downlink transmitting beams M ₁ comprises the downlink transmit beam, the beam comprises a plurality of downlink receive the M downlink reception beam _2, the first _two downlink transmission beams with the lower M The first downlink beam is configured to form a first downlink beam pair. The metric of the first downlink beam pair is that the terminal device uses the first downlink receiving beam to measure the network device to adopt the first downlink. The downlink signals transmitted by the transmit beam are obtained, and both M ₁ and M ₂ are integers greater than or equal to 1, and M ₁ and M _{2 are} not equal to 1 at the same time.

In a first possible implementation manner of the second aspect, the method further includes: the terminal device transmitting, by using each of the plurality of uplink transmit beams, an uplink signal.

With reference to the foregoing possible implementation manner of the second aspect, in a second possible implementation manner of the second aspect, the method further includes: receiving, by the terminal device, a correspondence indication message sent by the network device, where the correspondence indication message is used Corresponding results indicating the correspondence of transmit/receive beams.

With reference to the foregoing possible implementation manner of the second aspect, in a third possible implementation manner of the second aspect, the terminal device uses multiple downlink receive beam measurement network devices to use each of the multiple downlink transmit beams. Before the downlink signal sent by the beam, the method further includes: receiving, by the terminal device, configuration indication information sent by the network device, where the configuration indication information is used to indicate that the network device uses multiple downlink transmit beams to send a downlink signal configuration; the terminal device The downlink signal sent by each of the plurality of downlink transmit beams is used by the network device, and the terminal device uses multiple downlink receive beam measurement network devices according to the configuration indication information. Downlink signal transmitted by each downlink transmit beam in the downlink transmit beam.

In a third aspect, a wireless communication apparatus is provided for performing the first aspect or the first party described above The method in any possible implementation of the face.

In particular, the apparatus comprises means for performing the method of any of the above-described first aspect or any of the possible implementations of the first aspect.

In a fourth aspect, a wireless communication apparatus is provided for performing the method of any of the above-described second aspect or any of the possible implementations of the second aspect.

In particular, the apparatus comprises means for performing the method of any of the above-described second aspect or any of the possible implementations of the second aspect.

In a fifth aspect, a wireless communication apparatus is provided, comprising: a memory for storing instructions for executing instructions stored in the memory, and a processor, when the processor executes the instructions stored by the memory, The execution causes the processor to perform the method of the first aspect or any possible implementation of the first aspect.

In a sixth aspect, a wireless communication apparatus is provided, comprising: a memory for storing instructions for executing instructions stored in the memory, and a processor, when the processor executes the instructions stored by the memory, The execution causes the processor to perform the method of the second aspect or any possible implementation of the second aspect.

A seventh aspect, a computer readable medium for storing a computer program, the computer program comprising instructions for performing the method of the first aspect or any of the possible implementations of the first aspect.

In an eighth aspect, a computer readable medium is provided for storing a computer program comprising instructions for performing the method of the second aspect or any of the possible implementations of the second aspect.

In some aspects of the embodiments of the present invention, the first metric information set further includes at least one of the following: the identification information of the first downlink transmit beam, and each downlink receive beam of the M ₂ downlink receive beams. Identification information.

In some aspects of the embodiments of the present invention, the metric corresponding to the first downlink transmit beam is specifically a metric value of a downlink beam pair corresponding to a maximum value in the first set of measurement values, where the first measured value The set is obtained by the terminal device measuring the downlink signal sent by the network device by using the first downlink transmit beam by using multiple downlink receive beams.

The terminal device measures the downlink signal sent by the network device by using the first downlink transmit beam by using multiple downlink receive beams to obtain a first set of measured values. Assuming that the measured value corresponding to the first downlink beam pair is the maximum value in the first set of measured values, the first downlink transmit wave The metric corresponding to the bundle may be a metric of the first downlink beam pair. The metric of the first downlink beam pair is obtained according to the measured value corresponding to the first downlink beam pair.

In some aspects of embodiments of the invention, the first set of measured values comprises at least one of the following: signal strength, SNR, SINR, and rank value.

In some aspects of the embodiments of the present invention, the M ₂ downlink beam pairs are the first M ₂ downlink beam pairs corresponding to the highest metric values of the plurality of downlink beam pairs, wherein the multiple downlink beam pairs are A downlink transmit beam is formed by a plurality of downlink receive beams of the terminal device.

In some aspects of the embodiments of the present invention, if the first downlink beam pair is a downlink beam pair having the highest metric value among the plurality of downlink beam pairs, wherein the multiple downlink beam pairs are the first downlink The M ₂ downlink receive beams further include at least one second downlink receive beam, where the at least one second downlink receive beam and the first downlink transmit beam are formed by the transmit beam and the multiple downlink receive beams of the terminal device. The beam constitutes at least one second downlink beam pair, and a difference between a metric value of each of the second downlink beam pairs and a metric value of the first downlink beam pair is less than a first threshold value.

In some aspects of the embodiments of the present invention, the at least one second downlink beam pair is a front M ₂ -1 downlink beam pair having the highest metric value other than the first downlink beam pair among the plurality of downlink beam pairs .

In some aspects of the present disclosure, the metric value information of the second downlink beam pair of the M ₂ downlink beam pairs includes a measurement value corresponding to the second downlink beam pair and a previous row of the second downlink beam pair. The difference between the measured values of the pair of beams; or the metric information of the second downlink beam pair of the M ₂ downlink beam pairs includes the measured value corresponding to the second downlink beam pair and the multiple downlink beam pairs The difference between the measured values corresponding to the first pair of downlink beam pairs.

Optionally, the downlink beam pair ranked first may be the downlink beam pair having the largest metric or the smallest metric or the smallest number among the multiple downlink beam pairs.

In some aspects of the embodiments of the present invention, the M ₁ downlink transmit beams are the first M ₁ downlink transmit beams with the highest metric values of the plurality of downlink transmit beams.

In certain embodiments of aspects of the present invention, if the first downlink transmission beam emittance values for a plurality of downlink transmit beams highest downlink beam corresponding to the downlink transmit beams M ₁ further comprising at least one second downlink And a transmit beam, where a difference between a metric corresponding to each of the second downlink transmit downlink beams and a metric corresponding to the first downlink transmit downlink beam is less than a second threshold.

In some aspects of the embodiments of the present invention, the at least one second downlink transmit beam is a front M ₁ -1 downlink transmit beam having the highest metric value other than the first downlink transmit beam among the plurality of downlink transmit beams .

In some aspects of the embodiments of the present invention, the correspondence indication message is specifically used to indicate at least one of: whether a transmit/receive beam correspondence is established at the network device; and a transmit/receive beam correspondence at the terminal device Whether or not the network device includes at least one transmit/receive beam pair that satisfies beam correspondence; the terminal device includes at least one transmit/receive beam pair that satisfies beam correspondence.

In some aspects of the embodiments of the present invention, the configuration indication information is used to indicate at least one of the following configuration parameters: a measurement order of the multiple downlink transmit beams, a repeated measurement number of the multiple downlink transmit beams, the multiple Corresponding relationship between the downlink transmit beam and the at least one downlink signal, and a correspondence between the multiple downlink transmit beams and the transmission resource.

In some aspects of embodiments of the present invention, the downlink signal comprises at least one of the following: a CSI-RS, a terminal shared reference signal, a DMRS, and a beam measurement dedicated downlink signal.

DRAWINGS

FIG. 1 is a schematic structural diagram of a wireless communication system to which an embodiment of the present invention is applied.

FIG. 2 is a schematic flowchart of a wireless communication method according to an embodiment of the present invention.

FIG. 3 is a schematic block diagram of a wireless communication apparatus according to an embodiment of the present invention.

FIG. 4 is a schematic block diagram of a wireless communication apparatus according to another embodiment of the present invention.

FIG. 5 is a schematic block diagram of a wireless communication apparatus according to another embodiment of the present invention.

FIG. 6 is a schematic block diagram of a wireless communication apparatus according to another embodiment of the present invention.

detailed description

The technical solutions in the embodiments of the present invention will be described below with reference to the accompanying drawings in the embodiments of the present invention.

The technical solution of the embodiment of the present invention can be applied to various communication systems, for example, Global System of Mobile communication ("GSM") system, Code Division Multiple Access (CDMA). System, Wideband Code Division Multiple Access (WCDMA) system, General Packet Radio Service ("GPRS"), Long Term Evolution (Long Term Evolution, referred to as "Long Term Evolution" LTE") system, LTE frequency division duplex (Frequency Division Duplex (referred to as "FDD") system, LTE Time Division Duplex ("TDD"), Universal Mobile Telecommunication System (UMTS), Global Interconnected Microwave Access ( Worldwide Interoperability for Microwave Access, referred to as "WiMAX" communication system, future evolution of Public Land Mobile Network (PLMN) or future 5G systems.

FIG. 1 shows a wireless communication system 100 to which an embodiment of the present invention is applied. The wireless communication system 100 can include at least one network device 110. Network device 100 can be a device that communicates with a terminal device. Each network device 100 can provide communication coverage for a particular geographic area and can communicate with terminal devices (e.g., UEs) located within the coverage area. The network device 100 may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, or may be a base station (NodeB, NB) in a WCDMA system, or may be an evolved base station in an LTE system (Evolutional Node B). , eNB or eNodeB), or a wireless controller in a Cloud Radio Access Network (CRAN), or the network device may be a relay station, an access point, an in-vehicle device, a wearable device, or a future 5G network. Network side devices, transmission points, or network devices in a future evolved PLMN.

The wireless communication system 100 also includes a plurality of terminal devices 120 located within the coverage of the network device 110. The terminal device 120 can be mobile or fixed. The terminal device 120 can refer to an access terminal, a user equipment (User Equipment, UE), a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, a wireless communication device, and a user. Agent or user device. The access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), with wireless communication. Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in future 5G networks, or terminal devices in future evolved PLMNs, and the like.

FIG. 1 exemplarily shows one network device and two terminal devices. Alternatively, the wireless communication system 100 may include a plurality of network devices and may include other numbers of terminal devices within the coverage of each network device. The embodiment of the invention does not limit this.

Optionally, the wireless communication system 100 may further include other network entities, such as a network controller, a mobility management entity, and the like, and the embodiment of the present invention is not limited thereto.

The wireless communication system 100 can employ multiple beam techniques. Specifically, for the downlink, the network The device may have multiple downlink transmit beams (DL Tx Beam), and the terminal device may have multiple downlink receive beams (DL Rx Beam); for the uplink, the terminal device may have multiple uplink transmit beams (UL Tx Beam), the network The device may have multiple uplink receive beams (UL Rx Beam).

For ease of understanding, it is assumed here that the terminal device has U1 uplink transmit beams and D1 downlink receive beams, and the network device has U2 uplink receive beams and D2 downlink transmit beams, wherein U1, U2, D1 and D2 are both greater than 1. Integer.

In the communication process, the network device and the terminal device need to separately determine the beam currently used for downlink transmission and the beam currently used for uplink transmission, thereby causing large signaling overhead and heavy equipment burden.

Specifically, for the selection of the beam for downlink transmission, the network device needs to transmit D1 downlink uplink signals to the terminal device by using each of the downlink transmission beams. The terminal device can measure D1 downlink uplink signals sent by the network device using the same downlink transmit beam by using D1 downlink receive beams, and obtain D1 measurement values. In this way, the terminal device needs to perform D1×D2 measurements, obtain D1×D2 measurement values, and determine the currently used downlink transmit beam and downlink receive beam from all downlink transmit beams and downlink receive beams according to the obtained set of measured values. .

Similarly, for the selection of the beam for uplink transmission, the terminal device needs to transmit an uplink signal to the network device using each of the uplink transmission beams. The network device needs to perform measurement on each uplink transmit beam of the terminal device by using each uplink receive beam in all uplink receive beams, obtain multiple measured values, and obtain multiple uplink transmit beams and uplinks according to the obtained set of measured values. The currently used uplink transmit beam and uplink receive beam are determined in the receive beam.

In order to reduce the signaling overhead and equipment burden caused by beam selection, it may be determined whether the transmit/receive beam correspondence is established. If the transmit/receive beam correspondence is established, the beam for downlink transmission may be determined according to the beam for uplink transmission, or the beam for uplink transmission may be determined according to the beam for downlink transmission. In this way, the network device and the terminal device only need to perform beam selection in one link direction to obtain a beam for data transmission in another link direction, thereby reducing signaling overhead and device burden.

Optionally, if at least one of the following conditions is met, the transmit/receive uplink beam correspondence at the terminal device is established:

1. The terminal device is capable of determining a UL Tx Beam for uplink transmission according to the measurement of the one or more DL Rx beams by the terminal device;

2. The terminal device can determine the DL Rx for downlink transmission based on the indication of the network device. Beam, wherein the indication of the network device is based on measuring one or more UL Tx Beams of the terminal device.

Optionally, if at least one of the following conditions is met, the transmit/receive uplink beam correspondence at the network device is established:

1. The network device can determine the UL Rx Beam for uplink transmission according to the measurement of one or more DL Tx Beams of the network device by the terminal device;

2. The network device can determine the DL Tx Beam for downlink transmission based on measurements of one or more UL Rx Beams by the network device.

The technical solution for determining the transmit/receive beam correspondence provided by the embodiment of the present invention will be described in detail below with reference to specific examples.

FIG. 2 shows a wireless communication method 200 provided by an embodiment of the present invention. The wireless communication method 200 can be applied to the wireless communication system 100 shown in FIG. 1, but the embodiment of the present invention is not limited thereto.

S210. The network device sends a downlink signal by using each of the plurality of downlink transmit beams.

Assume that the network device has D1 downlink transmit beams and U1 uplink receive beams, and the terminal device has D2 downlink receive beams and U2 uplink transmit beams, wherein the D1 downlink transmit beams and the U1 uplink receive beams may have a certain A mapping relationship, which may be a one-to-one mapping, a one-to-many mapping, or a many-to-many mapping. For example, the network device may include D1 beams, and each of the D1 beams may serve as either a downlink transmit beam or an uplink receive beam. In this case, U1=D1 and each downlink transmit beam is mapped to an uplink. The receiving beam is the downlink transmitting beam itself, but the embodiment of the present invention is not limited thereto.

Optionally, the number of the multiple downlink transmit beams may be the number of downlink transmit beams that the network device needs to measure, and the multiple downlink transmit beams may be part or all of the downlink transmit beams of the D1 downlink transmit beams of the network device. This embodiment of the present invention does not limit this.

Optionally, the network device may send, by using each of the D1 downlink transmit beams, at least one downlink signal to the terminal device. Optionally, the number of downlink signals sent by the network device to the terminal device by using different downlink transmit beams may be the same or different. For ease of understanding, the network device may use the downlink transmit beam to send D2 downlink signals to the terminal device as an example. However, the embodiment of the present invention is not limited thereto.

Optionally, the downlink signal types sent by the network device to the terminal device by using different downlink transmit beams may be the same or different, and the network device sends the same downlink transmit beam to the terminal device. The at least one downlink signal that is sent may be the same type of downlink signal or a different type of downlink signal. For example, the network device may repeatedly send the downlink signal to the terminal device by using each downlink transmit beam, but the embodiment of the present invention does not do this. limited.

Optionally, the downlink signal sent by the network device by using multiple downlink transmit beams may include at least one of the following downlink signals: a Channel State Indication Reference Signal (CSI-RS), a terminal shared reference signal, and a solution. Demodulation Reference Signal (DMRS) and beam measurement dedicated downlink signals.

The terminal shared reference signal may be a reference signal shared by the terminal device in the same cell managed by the network device. For example, the terminal shared reference signal may be a Cell-Specific Reference Signal (CRS), but the implementation of the present invention is implemented. The example is not limited to this. Here, the beam measurement dedicated downlink signal may be a downlink signal dedicated to beam measurement. Optionally, the downlink signal sent by the network device may also include other types of signals, which is not limited in this embodiment of the present invention.

In S210, the configuration of the downlink signal sent by the network device to the terminal device may be defined by a protocol, or may be an original configuration of the network device, for example, the network device last performs beam selection or determines the correspondence between the transmit/receive beam. The configuration adopted may be dynamically determined by the network device, which is not limited in this embodiment of the present invention.

Optionally, before the step S210, the method 200 further includes: the network device sending configuration indication information to the terminal device, where the configuration indication information is used to indicate that the network device uses a downlink transmit beam to send a downlink signal to the terminal device. At this time, the terminal device, when receiving the configuration indication information sent by the network device, may use multiple downlink receiving beams to measure downlink signals sent by the network device by using the multiple downlink transmit beams according to the configuration indication information.

Optionally, the configuration indication information may indicate that the network device sends all or part of configuration parameters of the downlink signal. Specifically, the configuration indication information may indicate that the network device sends all configuration parameters of the downlink signal. At this time, the terminal device may detect the uplink signal by using the configuration parameter indicated by the configuration indication information. Optionally, the configuration indication information may only indicate a part of the configuration parameter that the network device sends the downlink signal. In this case, the terminal device may further determine, according to the protocol specification or the original configuration, the configuration parameter that is not indicated by the configuration indication information, but The embodiment of the invention is not limited thereto.

Optionally, the configuration indication information may be used to indicate at least one of the following configuration parameters: a correspondence between a downlink transmit beam and a downlink signal, and a correspondence between a downlink transmit beam and a transmission resource.

Optionally, the configuration indication information may be used to indicate a correspondence between the multiple downlink transmit beams and multiple downlink signals. At this time, the terminal device may determine, according to the correspondence between the downlink transmit beam and the downlink signal, a type of the downlink signal that is sent by the network device by using each of the multiple downlink transmit beams. Optionally, any two different downlink transmit beams may be used to transmit the same or different downlink signals, but the embodiment of the present invention is not limited thereto. Optionally, the configuration indication information may also be used to indicate a correspondence between the multiple downlink transmit beams and transmission resources. At this time, the terminal device may determine, according to the correspondence between the downlink transmit beam and the transmission resource, the corresponding transmission resource when the network device uses each of the multiple downlink transmit beams to send the downlink signal, and in the corresponding transmission. The resource detects that the network device sends the downlink signal by using each downlink transmit beam. Optionally, the network device may occupy the same or different transmission resources when transmitting the downlink signal by using any two different downlink transmit beams, but the embodiment of the present invention is not limited thereto.

Optionally, the configuration indication information may also be used to indicate other configuration parameters, which is not limited by the embodiment of the present invention.

For ease of understanding, the following describes an example in which the network device uses each downlink transmit beam to send D1 downlink signals to the terminal device. However, the embodiment of the present invention is not limited thereto.

S220: The terminal device may use multiple downlink receive beam measurements to measure the downlink signal sent by each downlink transmit beam of the downlink transmit beam by the network device, to obtain a downlink measurement result.

The number of the multiple downlink receive beams may be the number of downlink receive beams that the terminal device needs to measure. The multiple downlink receiving beams may be part or all of the downlink receiving signals of the D2 downlink receiving beams of the terminal device, which is not limited in this embodiment of the present invention.

Specifically, for the network device to use the D1 downlink signals sent by the first downlink transmit beam of the multiple downlink transmit beams, the terminal device may perform one measurement by using each downlink receive beam of the D1 downlink receive beams, and obtain the The measured value corresponding to the downlink beam pair formed by the first downlink transmit beam and each downlink receive beam. Alternatively, if the number of downlink signals sent by the network device using the first downlink transmit beam is less than D1, the terminal device may use the same number of downlink receive beams to transmit the signal sent by the first downlink transmit beam to the network device. Performing a measurement separately, obtaining a measurement value corresponding to each of the plurality of downlink beam pairs formed by the plurality of downlink receiving beams and the first downlink transmitting beam.

Specifically, it is assumed that the first downlink beam of the terminal device and the first downlink beam of the network device form a first downlink beam pair, and the measured value corresponding to the first downlink beam pair may be adopted by the terminal device. a downlink receiving beam is transmitted to the network device by using the first downlink transmit beam The line signal is measured. In this way, by using a plurality of downlink receiving beams to measure the downlink signal sent by the network device using the first downlink transmit beam, the terminal device can obtain the first set of measured values. The first set of measured values may include measured values corresponding to each of the plurality of downlink beam pairs formed by the first downlink transmit beam and the multiple downlink receive beams, and the multiple downlink receive beams The downlink receiving beam may be part or all of the D1 downlink receiving beams, which is not limited in this embodiment of the present invention.

Optionally, the measured value corresponding to a downlink beam pair may include at least one of the following: a signal strength, a signal to noise ratio (SNR), a signal to interference and noise ratio (Signal-to-Interference and Noise). Ratio, SINR) and Rank values. For example, the measured value corresponding to the downlink beam pair may be specifically one of the following: signal strength, SNR, SINR, signal strength and channel rank value, SNR and channel rank value, SINR, and channel rank value. Optionally, the measurement value corresponding to the downlink beam pair may also include the measurement value obtained by measuring the other physical quantity, which is not limited in this embodiment of the present invention.

Optionally, the terminal device may further obtain, according to the measured value corresponding to the multiple downlink beam pairs formed by the first downlink transmit beam, a metric value of each downlink beam pair in the multiple downlink beam pairs, so that the terminal The device may obtain a first set of metric values corresponding to the first downlink transmit beam. Optionally, the metric of a downlink beam pair may be a function of the measured value corresponding to the downlink beam pair. For example, a metric of a downlink beam pair may be equal to a measurement corresponding to the downlink beam pair, or a metric of a downlink beam pair may be equal to a weighted average of multiple measurements of the downlink beam pair, the multiple The measured value may be a measured value corresponding to different measured quantities of the downlink beam pair, but the embodiment of the present invention is not limited thereto.

Optionally, the terminal device may further determine, according to the first set of measurement values, a metric value corresponding to the first downlink transmit beam. The metric corresponding to the first downlink transmit beam may be obtained by the terminal device by using each of the plurality of downlink receive beams to measure the downlink signal sent by the network device by using the first downlink transmit beam. Specifically, the metric corresponding to the first downlink transmit beam may be a metric value of each downlink beam pair formed by the first downlink transmit beam and the multiple downlink receive beams. Arrived. Optionally, the metric corresponding to the first downlink transmit beam may be a metric of a downlink beam pair having the largest measured value among the plurality of downlink beam pairs formed by the first downlink transmit beam, that is, the metric a maximum value in the first metric value set; or the metric value corresponding to the first downlink transmit beam may be a mathematical average or a weighted average value of at least two metric values in the first metric value set, But this hair The embodiment is not limited to this.

Optionally, the terminal device may measure, by using the downlink signal sent by each of the multiple downlink transmit beams, a measurement set corresponding to each downlink transmit beam, and according to the multiple downlink transmissions. A set of measurement values corresponding to each downlink transmit beam in the beam, and M ₁ downlink transmit beams are determined from the plurality of downlink transmit beams. The M ₁ may be an integer greater than or equal to 1, and the M ₁ may be less than or equal to the number of the multiple downlink transmit beams, that is, the M ₁ downlink transmit beams may be specifically in multiple downlink transmit beams of the network device. All or part of the downlink transmit beam is not limited in this embodiment of the present invention.

Specifically, the terminal device may determine, according to the set of measurement values corresponding to each of the downlink transmit beams, the metric value corresponding to each downlink transmit beam, where the determining manner may refer to the foregoing The description of the downlink transmit beam will not be repeated here for brevity.

Alternatively, the terminal device may determine the downlink transmit beams M ₁ of the plurality of downlink beam emittance values of each downlink beam corresponding to the transmit beam based on the downlink transmitted from a plurality. As an optional embodiment, the M ₁ downlink transmit beams may be the first M ₁ downlink transmit beams with the highest metric values among the multiple downlink transmit beams. For example, the terminal device may according to a descending order of magnitude, the first M downlink transmit a plurality of beams after sorting, sort and select _a downlink transmit beam, but the embodiment of the present invention is not limited thereto.

As another optional embodiment, if the first downlink transmit beam is a downlink transmit beam having the highest metric among the plurality of downlink transmit beams, the M ₁ downlink transmit beams may include a first downlink transmit beam and At least one second downlink transmit beam, wherein a difference between a metric value corresponding to each second downlink transmit beam of the at least one second downlink transmit beam and a metric corresponding to the first downlink transmit beam may be Less than the second threshold. Specifically, the terminal device may first determine a downlink transmit beam having the highest metric among the plurality of downlink transmit beams, which is referred to herein as a first downlink transmit beam. Then, the terminal device may determine, by comparing the metric value corresponding to the first downlink transmit beam and the metric value corresponding to the remaining downlink transmit beams, that the difference between the remaining downlink transmit beams and the maximum metric value is less than At least one downlink transmit beam of the second threshold, which is referred to herein as a second downlink transmit beam, where the remaining downlink transmit beams may be specifically the one of the plurality of downlink transmit beams except the first downlink transmit beam. Outer downlink transmit beam.

Optionally, the second threshold may be specified by the protocol, or may be configured by the network device. For example, the configuration indication information is used to indicate the second threshold, and may be a terminal device and a network. This is not limited by the embodiment of the present invention.

Optionally, the at least one second downlink transmit beam may be all or part of the downlink transmit beams of the remaining downlink transmit beams and the maximum metric value being less than a second threshold. As an optional embodiment, the terminal device may determine, as the at least one second downlink transmit beam, all downlink transmit beams that have a difference between the remaining downlink transmit beams and the maximum metric value that is less than a second threshold. . As another optional embodiment, if the number of all downlink transmit beams in the remaining downlink transmit beams that are smaller than the second threshold is greater than M ₁ -1, the terminal device may The first M ₁ -1 downlink transmit beams with the highest metric values in the remaining downlink transmit beams are determined as the at least one second downlink transmit beam, but the embodiment of the present invention is not limited thereto.

Alternatively, the terminal device may also be determined by other ways the beam emitted from the plurality of downlink downlink transmit beams M _1, embodiments of the present invention is not limited to this embodiment.

Optionally, the network device may indicate a maximum number T of downlink transmit beams determined by the terminal device from the plurality of downlink transmit beams. For example, the above configuration indication information is used to indicate T, but the embodiment of the present invention is not limited thereto. At this time, the terminal device may determine, according to T, M ₁ downlink transmit beams from the multiple downlink transmit beams. The M ₁ may be an integer less than or equal to T, which is not limited in this embodiment of the present invention.

Alternatively, if the downlink transmit beams M ₁ comprises a first downlink transmit beams, the terminal device may further set according to the first measure, i.e. in accordance with the beam received by the first transmit beam and a plurality of downlink downlink A metric of each of the plurality of downlink beam pairs formed, and M ₂ downlink beam pairs are determined from the plurality of downlink beam pairs. M ₂ may be an integer greater than or equal to 1, and M ₂ may be less than or equal to the number of the plurality of downlink receiving beams, that is, the downlink receiving beam included in the M ₂ downlink beam pairs may specifically be the multiple downlink receiving All or part of the downlink receiving beam in the beam is not limited in this embodiment of the present invention.

As an optional embodiment, the M ₂ downlink beam pairs are the first M ₂ downlink beam pairs with the highest metric values corresponding to the plurality of downlink beam pairs formed by the first downlink transmit beam.

As another optional embodiment, if the first downlink beam pair is the downlink beam pair having the highest metric among the plurality of downlink beam pairs formed by the first downlink transmit beam, the M ₂ downlink beam pairs The first downlink beam pair and the at least one second downlink beam pair may be included, wherein a downlink beam pair formed by each of the at least one second downlink receiving beam and the first downlink transmitting beam The difference between the metric value corresponding to the first downlink beam pair may be less than the first threshold value. Specifically, the terminal device may first determine a downlink beam pair having the highest metric among the plurality of downlink beam pairs formed by the first downlink transmit beam, and determine a downlink receive beam in the downlink beam pair with the highest metric value, This is referred to herein as the first downlink receive beam. Then, the terminal device can compare the metric value of the first downlink beam pair with the metric value of the remaining downlink beam pair, and determine that the difference between the remaining downlink beam pair and the maximum metric value is less than the first threshold. At least one second downlink beam pair of values, and determining a downlink receive beam included in each of the at least one second downlink beam pair, which is referred to herein as a second downlink receive beam, where the remainder The downlink beam pair may be specifically a downlink beam pair of the plurality of downlink beam pairs formed by the first downlink transmit beam except the first downlink beam pair.

Optionally, the first threshold value may be specified by the protocol, or may be configured by the network device, for example, indicated by the configuration indication information sent by the network device, or may be determined by the terminal device and the network device. This embodiment of the present invention does not limit this.

Optionally, the at least one second downlink beam pair may be all or part of downlink beam pairs in which the difference between the remaining downlink beam pairs and the maximum metric value is less than the first threshold. As an optional embodiment, the terminal device may determine, as the at least one second downlink beam pair, all downlink beam pairs in which the difference between the remaining downlink beam pairs and the maximum metric value is less than the first threshold value. . As another optional embodiment, if the number of all downlink beam pairs in the remaining downlink beam pair and the maximum metric value that is smaller than the first threshold is greater than M ₂ -1, the terminal device may The first M ₂ -1 downlink beam pairs having the highest metric values in the remaining downlink beam pairs are determined as the at least one second downlink beam pair, but the embodiment of the present invention is not limited thereto.

Optionally, the terminal device may further determine the M ₂ downlink beam pairs from the plurality of downlink beam pairs formed by the first downlink transmit beam, which is not limited in this embodiment of the present invention.

Similarly, the terminal apparatus may transmit a beam of P _{i i} downlink beams constituting metric for each of the downlink beam based on the downlink transmit beams M ₁ in the downlink, the P _i is determined from K downlink beams pairs _i downlink beam pair, and transmits to the network device transmit beam set i i corresponding metrics information in the downlink, the metric may include information and / or said determining the downlink transmission beam corresponding to the K i of the _i-th The metric value information of each downlink beam pair in the downlink beam pair, where i can take a value from 1 to M ₁ , P _i can be an integer greater than or equal to 2, and K _i can be an integer greater than or equal to 1, the specific implementation Reference may be made to the foregoing description of the first downlink transmit beam, and for brevity, no further details are provided herein.

S230, the terminal device corresponding to the network device transmits downlink transmit beams M ₁ M ₁ a degree the amount of information sets, the first metric information corresponding to a first downlink the transmission beam M ₁ in the downlink transmit beam set comprises At least one of the following: the identification information of the first downlink transmit beam, the metric value information corresponding to the first downlink transmit beam, and the identifier of each downlink receive beam in the M ₂ downlink receive beams of the terminal device Information, metric value information of each of the M ₂ downlink beam pairs formed by the first downlink transmit beam and the M ₂ downlink receive beams, where M ₁ and M _{2 are} not equal to 1 at the same time.

Optionally, the metric value information of each downlink beam pair of the M ₂ downlink beam pairs may be specifically a metric value of each downlink beam pair. Alternatively, the metric information of a downlink beam pair may include a difference between the metric value of the downlink beam pair and a preset reference value. Alternatively, the metric information of the M ₂ downlink beam pairs may be sequentially arranged in a certain order, for example, according to the magnitude of the metric value of the downlink beam pair, or sequentially according to the number of the downlink receiving beam included in the downlink beam pair. and many more. At this time, the metric value information of a downlink beam pair may include a difference between the metric value of the downlink beam pair and the metric value of the previous downlink beam pair. Optionally, the metric information of the downlink beam pair that is ranked in the first place may be empty or set to a default value or a meaningless value, which is not limited in this embodiment of the present invention. Alternatively, the metric information of a downlink beam pair may include a difference between a metric of the downlink beam pair and a metric of a downlink beam pair ranked first or last, or a downlink beam pair. The metric value information may include a difference between a metric value of the downlink beam pair and a maximum or minimum value of the metric values of the M ₂ downlink beam pairs, optionally as a reference downlink beam pair (eg, the above row The metric value information corresponding to the downlink beam pair of the first or last bit or the downlink beam pair corresponding to the maximum metric or the minimum metric may be null or set to a default value or a meaningless value, in the embodiment of the present invention There is no limit to this.

In an embodiment of the present invention, M ₁ and M ₂ are not simultaneously equal to 1. As an optional embodiment, the terminal device may send a metric information set to the network device, for example, a first metric information set corresponding to the first downlink transmit beam, where the first metric information set may include multiple downlinks. The identification information of each downlink receiving beam in the receiving beam and/or the metric information of each of the plurality of downlink beam pairs formed by the first downlink transmitting beam and the multiple downlink receiving beams, optionally The first metric information set may further include the metric value information corresponding to the first downlink transmit beam, which is not limited in this embodiment of the present invention.

As another optional embodiment, the terminal device may send, to the network device, multiple metric information sets corresponding to the multiple downlink transmit beams, where the ith metric information set corresponding to the downlink transmit beam i may include the following information. One or more of the following: identification information of the downlink transmit beam i, Measure value information corresponding to the downlink transmit beam i, identification information of one or more downlink receive beams, metric value information of one or more downlink beam pairs formed by the downlink transmit beam i and the one or more downlink receive beams, However, embodiments of the invention are not limited thereto.

Optionally, the first metric information set may further include other information, and the embodiment of the present invention is not limited thereto.

S240. The terminal device sends an uplink signal to the network device by using each of the uplink transmit beams of the multiple uplink transmit beams. Correspondingly, the network device uses each of the plurality of uplink receiving beams to measure an uplink signal sent by the terminal device by using multiple uplink transmit beams, to obtain an uplink measurement result.

Optionally, the multiple uplink transmit beams may be part or all of the uplink transmit beams of the U2 uplink transmit beams of the terminal device, where the multiple uplink receive beams may be part of the U1 uplink receive beams of the network device. The uplink receiving beam is not limited in this embodiment of the present invention.

Optionally, the uplink signal sent by the terminal device by using multiple uplink transmit beams may include at least one of the following downlink signals: a Sounding Reference Signal (SRS), a Physical Random Access Channel (PRACH) ), DMRS and beam measurement dedicated uplink signals, but embodiments of the invention are not limited thereto.

Optionally, the uplink signal sent by the uplink transmission beam is used by the terminal device, and the network device may perform measurement by using each of the multiple uplink receiving beams to obtain the uplink receiving beam and the uplink. The measured value of the uplink beam pair formed by the transmit beam. The network device may measure the signal sent by each of the multiple uplink transmit beams of the terminal device to obtain an uplink measurement result.

Optionally, the uplink measurement result may include a measurement value corresponding to each of the plurality of uplink beam pairs formed by the multiple uplink receiving beams and the multiple uplink transmit beams. Optionally, the network device may further obtain, according to the measurement value corresponding to each uplink beam pair of the multiple uplink beam pairs, a metric value of each uplink beam pair of the multiple uplink beams. Optionally, the metric of each uplink beam pair may be a function corresponding to the uplink beam pair, for example, the metric of each uplink beam pair may be equal to the measurement value corresponding to the uplink beam pair, but the embodiment of the present invention Not limited to this. For specific implementations, reference may be made to the description of the downlink direction above, and for brevity, no further details are provided herein.

Alternatively, the S240 and the S210-S230 may be executed in any order, which is not limited by the embodiment of the present invention.

S250, the network device receives M of the terminal device sends the time measurement information set, according to the M ₁ metric information set and the uplink measurement result S240 is obtained, determining _a transmit / receive beams correspondence correspondences result.

Optionally, the result of the correspondence of the transmit/receive beam correspondence may include whether the transmit/receive correspondence is established, or may further include a transmit/receive beam pair that satisfies the beam correspondence, which is not limited in this embodiment of the present invention. .

Alternatively, the network device may metrics M ₁ based on the information sets and the uplink measurement results, the transmit / receive beam corresponding to the result of the correspondence of the network device. For example, the network device may be based on the metrics M ₁ information sets and the uplink measurement results, the transmit / receive beam correspondence is established in the network device. As an optional embodiment, the network device may determine, according to the uplink measurement result, a target uplink receiving beam from multiple uplink receiving beams of the network device, where, optionally, the target uplink receiving beam may be the network device. The uplink receiving beam corresponding to the largest metric value among the plurality of uplink receiving beams, but the embodiment of the present invention is not limited thereto.

If the downlink transmit beam to which the target uplink receive beam is mapped is referred to as a target downlink transmit beam, the network device may determine whether the M ₁ metric information set includes a metric information set corresponding to the target downlink transmit beam. Alternatively, if the metrics M ₁ does not include the information set information set to the target metric corresponding to a downlink transmission beam, the network device may determine a transmit / receive beam correspondence is not established in the network device.

Alternatively, if the metrics M ₁ comprises a set of information to the target metric information corresponding to downlink transmission beam set, then alternatively, the network device may be determined directly transmit / receive beam corresponding to the establishment of the network device; Alternatively, the network device may further determine whether the metric information set corresponding to the target downlink transmit beam meets the first preset condition. If the metric information set corresponding to the target downlink transmit beam does not satisfy the first preset condition, the network device may determine that the transmit/receive beam correspondence is not established at the network device.

Optionally, if the metric information set corresponding to the target downlink transmit beam meets the first preset condition, optionally, the network device may determine that the transmit/receive beam correspondence is established at the network device. Alternatively, the network device may further determine whether the transmit/receive beam correspondence is established at the network device according to other conditions.

Optionally, if the metric information set corresponding to the target downlink transmit beam includes the metric value information corresponding to the target downlink transmit beam, the first preset condition may include: the metric value corresponding to the target downlink transmit beam The difference between the maximum metric values corresponding to the M ₁ downlink transmit beams is less than the third threshold.

Optionally, if the metric value set corresponding to the target downlink transmit beam includes the metric value information of each of the plurality of downlink beam pairs formed by the target downlink transmit beam, the first preset condition may include: If the uplink beam pair with the largest metric value corresponding to the target uplink beam is called the target uplink beam pair, the downlink receiving beam mapped by the uplink beam included in the target uplink beam pair is called the target downlink. Receiving a beam, the difference between the metric value of the downlink beam pair formed by the target downlink receiving beam and the target downlink transmitting beam and the maximum metric value of the plurality of downlink beam pairs formed by the target downlink transmitting beam is smaller than the fourth gate Limit. Optionally, the first preset condition may further include other specific conditions, and the embodiment of the present invention is not limited thereto.

In the embodiment of the present invention, considering the influence of factors such as measurement error and random interference during downlink signal transmission, even if the metric corresponding to the target downlink transmit beam is not the largest metric in the M ₁ downlink transmit beams downlink transmit beams, if the difference between the maximum value of the downlink transmission beam corresponding to the metric value M ₁ corresponding to downlink transmit beams is less than the third threshold value, the network device can still be considered The target uplink receive beam and the target downlink transmit beam satisfy the transmit/receive beam correspondence.

Optionally, the third threshold or the fourth threshold may be defined by a protocol, or may be configured by a network device, for example, indicated in a configuration indication information sent by the network device, or may be a terminal device and The network device is determined according to the transmission requirement negotiation, which is not limited by the embodiment of the present invention.

Alternatively, the network device may also be based on the metrics M ₁ information sets and the uplink measurement results, determining a plurality of downlink transmit beams of the network device and receiving a plurality of uplink beams meet at least one of a beam corresponding to the transmission / reception Beam pairs, but embodiments of the invention are not limited thereto.

Alternatively, the network device may be based on the metrics M ₁ information sets and the uplink measurement results, the transmit / receive beam corresponding to the result of the correspondence of the terminal at the device. For example, the network device may be based on the metrics M ₁ information sets and the uplink measurement results, the transmit / receive beam correspondence is established in the terminal device.

As an optional embodiment, the network device may determine a target uplink transmit beam from multiple uplink transmit beams of the terminal device according to the uplink measurement result. The target uplink transmit beam may be an uplink transmit beam with the largest metric value corresponding to the multiple uplink transmit beams. Alternatively, the network device may receive multiple uplink receiving beams from the network device according to the uplink measurement result. Determining at least one target uplink beam pair among the plurality of uplink beam pairs formed by the plurality of uplink transmit beams of the terminal device. The at least one target uplink beam pair may be the previous one or more uplink beam pairs with the largest metric value among the multiple uplink beam pairs, but the embodiment of the present invention is not limited thereto.

Alternatively, if the metrics M ₁ information set includes mapping downlink beam emitted by the target uplink beam to a downlink reception beam configured metric information, and the downlink beam to measure M ₁ of the metrics information If the difference between the largest metrics in the set is less than the fifth threshold, the network device may determine that the transmit/receive beam correspondence is established at the terminal device, but the embodiment of the present invention is not limited thereto.

Alternatively, if the metrics M ₁ information set includes at least one target metric information uplink beams of one or more target uplink beam, and the target metric for the uplink beam to the information metrics M ₁ If the difference between the largest metrics in the set is less than the sixth threshold, the network device may determine that the transmit/receive beam correspondence is established at the terminal device, but the embodiment of the present invention is not limited thereto.

The network device may also be based on the metrics M ₁ information sets and the uplink measurement results, determining a plurality of uplink transmission beams and a plurality of the terminal device receiving the downlink beams corresponding to satisfy the transmit beam of / receive beam pair.

Optionally, the method 200 may further include: the network device sending a correspondence indication message to the terminal device, where the correspondence indication message is used to indicate a correspondence result of the transmit/receive beam correspondence.

The correspondence indication message may only indicate that the transmit/receive beam correspondence is true or not. Alternatively, the correspondence indication message may be specifically used to indicate whether the transmit/receive beam correspondence is established at the network device and/or the terminal device, which is not limited in this embodiment of the present invention.

Optionally, the correspondence indication message may also be used to indicate a transmit/receive beam pair of the network device that satisfies beam correspondence, and/or a transmit/receive beam pair of the terminal device that satisfies beam correspondence, but the present invention The embodiment is not limited to this.

Optionally, after receiving the correspondence indication message sent by the network device, the terminal device may send an acknowledgement message to the network device, but the embodiment of the present invention is not limited thereto.

Optionally, the terminal device may further store a correspondence result of the transmit/receive beam correspondence indicated by the correspondence indication information, and may subsequently report the stored correspondence result of the transmit/receive beam correspondence to the network device, but Embodiments of the invention are not limited thereto.

In the wireless communication method provided in the embodiment of the present invention, the network device determines the transmit/receive beam Correspondence results of correspondence. Optionally, the network device may perform the foregoing process of determining a correspondence result of the transmit/receive beam correspondence periodically or in a triggering manner. As an optional embodiment, the network device may receive a request message of the terminal device for requesting the network device to send a corresponding result of the transmit/receive beam correspondence, and correspondingly, the network device may be configured according to the received request message. The above-described process of determining the correspondence result of the transmit/receive beam correspondence is performed, but the embodiment of the present invention is not limited thereto.

As another optional embodiment, if the network device determines that the transmit/receive beam correspondence is established at the first moment, the network device may consider that the transmit/receive is performed within a preset time period starting from the first time. Beam correspondence remains established. At the end of the preset time period, the network device may perform the above-described process of determining a correspondence result of the transmit/receive beam correspondence. For example, the network device may start a timer at a first moment and perform the above-described process of determining a correspondence result of the transmit/receive beam correspondence when the timer expires. Optionally, the length of the preset time period may be defined in the protocol, or may be dynamically determined by the network device, which is not limited by the embodiment of the present invention.

As another optional embodiment, the network device may also perform the above determination when determining that a transmission mode to be used for data transmission with the terminal device needs to be changed, or when it is determined that a part of the transmission parameters in the current transmission mode needs to be changed. The flow of the correspondence result of the transmit/receive beam correspondence, but the embodiment of the present invention is not limited thereto.

Thus, the radio communication method according to an embodiment of the present invention, a plurality of downlink transmit a downlink signal beams transmitted by the network device to measure the terminal device, and the network device transmits downlink transmit beams M ₁ corresponding to the metrics M ₁ information set, the metric for M ₁ of first set of information in the information set includes at least one of the following: a logo information of the M ₁ transmitting a first downlink beams of the downlink transmit beams, the first downlink metric information corresponding to the transmit beam, M of the terminal device ₂ receives the downlink beams each received identification information of the downlink beam, the downlink transmit a first downlink beam with the ₂ M ₂ M downlink reception beam configuration each downlink beam for the beam metric information, uplink network device is obtained based on measurement result of the downlink signal metrics M ₁ and the information set by the terminal device using a plurality of transmission of the uplink transmit beams, determining the transmission / reception Correspondence results of beam correspondence are beneficial to reduce signaling overhead and have better accuracy.

It should be understood that the size of the sequence numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be implemented in the embodiment of the present invention. Form any limit.

The wireless communication method provided by the embodiment of the present invention will be described in detail below with reference to specific examples. In the following example, it is assumed that the terminal device has 4 beams, which can be used as both an uplink transmit beam and a downlink receive beam. The network device has 8 beams, which can be used as both an uplink receiving beam and a downlink transmitting beam.

Example 1

The network device can also transmit downlink signals using 8 beams. Correspondingly, the terminal device can receive the downlink signal sent by the network device by using four beams according to the configuration of the network device. For the downlink signal sent by the network device using the downlink transmit beam j, the terminal device can receive and measure by using four downlink receive beams, and obtain four measured values, and the optimal measured value of the four measured values can be determined according to a certain value. The rule is mapped to the metric value V _j , wherein the optimal measurement value may correspond to the optimal channel state, and the determination of the optimal measurement value may be dependent on the measurement quantity, which is not limited by the embodiment of the present invention.

The above j may sequentially take values from 1 to 8, so that the terminal device can obtain 8 metric values {V _j , j=1, . . . , 8} corresponding to the 8 downlink transmit beams.

The terminal device may select two metric values from the {V _j }, for example, two metric values with a larger value, and send indication information to the network device, where the indication information is used to indicate two metric values selected by the terminal device.

Assuming that the two metrics selected by the terminal device are V ₁ and V ₄ , where V ₁ >V ₄ , the indication information may optionally include the following information: {number of downlink transmission beam 1 DL_Tx_Beam_1, V ₁ } And {number of downlink transmit beam 4 DL_Tx_Beam_4, V ₄ }. Alternatively, the indication information may include the following information: {DL_Tx_Beam 1,0} and {DL_Tx_Beam 4, Δ ₁₄ }, where Δ ₁₄ may represent the absolute value of the difference or difference between V ₄ and V ₁ . Alternatively, the indication information may also include the following information: {DL_Tx_Beam 1, DL_Tx_Beam 4, Δ ₁₄ }, where the metric value corresponding to the downlink transmit beam 1 is omitted, but the embodiment of the present invention is not limited thereto.

In addition, the terminal device can transmit uplink signals to the network device by using four beams. For the terminal device to use the uplink signal sent by the uplink transmit beam i, the network device can receive and measure with 8 uplink receive beams, and obtain 8 measured values.

The network device can determine, by measuring the uplink signal sent by the terminal device, the optimal beam combination for the uplink transmission as the uplink transmit beam n (denoted as UL_Tx_Beam n) of the terminal device and the beam m of the network device (ie, UL_Rx_Beam m). . Network equipment can judge the following two Whether the conditions are satisfied at the same time to determine whether the transmit/receive beam correspondence is true:

1. Whether the DL_Tx_Beam m mapped by the UL_Rx_Beam m is included in the indication information sent by the terminal device;

2. The difference between the metric value corresponding to DL_Tx_Beam m and the maximum metric value indicated by the indication information is less than the third threshold value.

Example 2

The terminal device measures downlink signals sent by the network device using 8 downlink transmit beams by using 4 downlink receive beams, and obtains downlink measurement results. The terminal device may select the four downlink beam pairs with the highest metric value from the 32 downlink beam pairs formed by the four downlink receiving beams and the eight downlink transmitting beams according to the downlink measurement result, and send an indication to the network device. Information, the indication information may include information of each of the four downlink beam pairs.

For example, the four downlink beam pairs and their corresponding metrics can be as follows:

[DL_Tx_Beam_1 DL_Rx_Beam_1 V ₁ ];

[DL_Tx_Beam_1 DL_Rx_Beam_5 V ₂ ];

[DL_Tx_Beam_4 DL_Rx_Beam_4 V ₃ ];

[DL_Tx_Beam_4 DL_Rx_Beam_2 V ₄ ];

Wherein, V ₁ ≥ V ₂ ≥ V ₃ ≥ V ₄ .

The network device can measure the uplink signal sent by the terminal device using four uplink transmit beams by using eight uplink receive beams, and obtain an uplink measurement result. The network device determines, according to the uplink measurement result, an uplink beam pair composed of UL_Tx_Beam 4 and UL_Rx_Beam 4 as a target uplink beam pair. For example, the uplink beam pair formed by UL_Tx_Beam 4 and UL_Rx_Beam 4 has the highest metric value, and the network device can determine Whether the following two conditions are satisfied at the same time to determine whether DL_Tx_Beam_4 and UL_Rx_Beam_4 satisfy the beam correspondence:

1. The information of [DL_Tx_Beam_4 DL_Rx_Beam_4] to which [UL_Tx_Beam 4 UL_Rx_Beam 4] is mapped is indicated in the indication information sent by the terminal device to the network device;

2. The difference between the metric of [DL_Tx_Beam_4 DL_Rx_Beam_4] and the maximum metric indicated by the indication is less than a certain threshold.

Example 3

The indication information sent by the terminal device to the network device may include information of each of the four downlink beam pairs. The four downlink beam pairs and their corresponding metrics can be as follows:

[DL_Tx_Beam_1 DL_Rx_Beam_1 v_1];

[DL_Tx_Beam_2 DL_Rx_Beam_1 v_2];

[DL_Tx_Beam_3 DL_Rx_Beam_4 v_3];

[DL_Tx_Beam_4 DL_Rx_Beam_4 v_4];

Wherein, V ₁ ≥ V ₂ ≥ V ₃ ≥ V ₄ .

The network device can measure the uplink signal sent by the terminal device to obtain an uplink measurement result. Optionally, if the difference between the metric value of the [UL_Tx_Beam_1 UL_Rx_Beam_1], [UL_Tx_Beam_1 UL_Rx_Beam_2], [UL_Tx_Beam_4 UL_Rx_Beam_3], [UL_Tx_Beam_4 UL_Rx_Beam_4] and the maximum metric value is less than a certain threshold, the network device may determine the terminal. The device's UL_Tx_Beam_1 and DL_Rx_Beam_1 and UL_Tx_Beam_4 and DL_Rx_Beam_4 satisfy the beam correspondence. Optionally, if the difference between the metric value of the [UL_Tx_Beam_4 UL_Rx_Beam_3] and [UL_Tx_Beam_4 UL_Rx_Beam_4] and the maximum metric value is greater than the threshold, it indicates that the channel quality corresponding to the two uplink beam pairs is poor, then the network The device may determine that the UL_Tx_Beam_4 and DL_Rx_Beam_4 of the terminal device do not satisfy the beam correspondence.

Example 4

The terminal device measures the downlink signal sent by the network device according to the measurement and reporting configuration information of the network device, and obtains a downlink measurement result. The terminal device reports the following information to the network device according to the downlink measurement result: [DL_Tx_Beam_4 DL_Rx_Beam_3 V ₃ DL_Tx_Beam_4 V ₄ ], where V _{4 is} higher than V ₃ .

The terminal device sends an uplink signal to the network device according to the configuration of the network device. After measuring the uplink signal sent by the terminal device, the network device finds that the uplink beam pair [UL_Tx_Beam 3 UL_Rx_Beam 2] is the best, and the uplink beam pair [UL_Tx_Beam 4 UL_Rx_Beam 4] is the second, the network device can determine whether the content is satisfied by the following steps. Transmit/receive beam correspondence:

Determining whether the downlink beam pair [DL_Tx_Beam 2 DL_Rx_Beam 3] corresponding to the uplink beam pair [UL_Tx_Beam 3 UL_Rx_Beam 2] is included in the information reported by the terminal device;

If it is not included, it can be judged whether the transmission/reception beam correspondence is satisfied by judging whether the following three conditions are satisfied at the same time:

1. Is the difference between the metric values corresponding to [UL_Tx_Beam 3 UL_Rx_Beam 2] and [UL_Tx_Beam 4 UL_Rx_Beam 4] less than the threshold 1;

2. The downlink beam pair corresponding to [UL_Tx_Beam 4 UL_Rx_Beam 4] [DL_Tx_Beam 4 DL_Rx_Beam 4] is included in the information reported by the terminal device;

3. The absolute value of the difference between the metric value V _{4 of} [DL_Tx_Beam 4 DL_Rx_Beam 4] and the maximum metric value is less than the threshold 2.

It is to be understood that the above-described examples 1 to 4 are intended to assist those skilled in the art to better understand the embodiments of the present invention and not to limit the scope of the embodiments of the present invention. A person skilled in the art will be able to make various modifications or changes in the form of the above-described examples, and such modifications or variations are also within the scope of the embodiments of the present invention.

The wireless communication method according to an embodiment of the present invention is described in detail above with reference to FIGS. 1 through 2, and a wireless communication device according to an embodiment of the present invention will be described in detail below with reference to FIGS. 3 through 6.

FIG. 3 shows a wireless communication device 300 according to an embodiment of the present invention, including:

The sending unit 310 is configured to send, by using each of the multiple downlink transmit beams, a downlink signal to the terminal device;

Receiving unit 320 for receiving the terminal device a set of metrics M ₁ M ₁ information downlink transmit beam corresponding to the transmission, the transmit beam corresponding to M ₁ in the downlink transmit a first downlink beams of a first the amount of information set comprising at least one of: the first downlink beam emittance magnitude information corresponding to the first M downlink transmit beams with the terminal device ₂ receives the M downlink beams composed of _two downlink beams metric information for each of the downlink beam, wherein the beam comprises a plurality of downlink transmit the downlink transmit beams M _1, the first downlink transmit a first downlink beam with the downlink reception beam M ₂ of The receiving beam constitutes a first downlink beam pair, and the metric of the first downlink beam pair is obtained by the terminal device using the first downlink receiving beam to measure the downlink signal sent by the sending unit 310 by using the first downlink transmitting beam. , M ₁ and M ₂ are each an integer greater than or equal to 1, and M ₁ and M _{2 are} not equal to 1 at the same time;

Processing unit 330, the received plurality of uplink beams for use in the measurement of each uplink beam receiving terminal transmits uplink signals using a plurality of uplink beams transmitted to the uplink measurement results and based on the M received by the receiving unit 320 ₁ The metric information set and the uplink measurement result determine a correspondence result of the transmit/receive beam correspondence.

Optionally, the first metric information set further includes at least one of the following: identifier information of the first downlink transmit beam, and identifier information of each downlink receive beam of the M ₂ downlink receive beams.

Optionally, the metric corresponding to the first downlink transmit beam is specifically a metric of a downlink beam pair corresponding to a maximum value in the first set of measurement values, where the first set of measured values is the terminal The device obtains the downlink signal sent by using the first downlink transmit beam by using multiple downlink receive beams.

Optionally, the first set of measured values comprises at least one of the following: signal strength, SNR, SINR, and rank value.

Optionally, the M ₂ downlink beam pairs are the first M ₂ downlink beam pairs with the highest metric values of the plurality of downlink beam pairs, wherein the multiple downlink beam pairs are the first downlink transmit beam and the The terminal device is composed of multiple downlink receiving beams.

Optionally, the first downlink beam pair may be a downlink beam pair with the highest metric value corresponding to the plurality of downlink beam pairs, where the multiple downlink beam pairs are the first downlink transmit beam and the terminal device The plurality of downlink receive beams are formed. In this case, the M ₂ downlink receive beams may further include at least one second downlink receive beam, where the at least one second downlink receive beam and the first downlink transmit beam form at least one second downlink beam. The difference between the metric of each of the at least one second downlink beam pair and the metric of the first downlink beam pair is less than the first threshold.

Optionally, the at least one second downlink beam pair is a pre-M ₂ -1 downlink beam pair with the highest metric value other than the first downlink beam pair among the multiple downlink beam pairs.

Optionally, the metric value information of the second downlink beam pair of the M ₂ downlink beam pairs includes a measurement corresponding to the second downlink beam pair and a previous downlink beam pair of the second downlink beam pair. The difference between the values.

Optionally, the metric value information of the second downlink beam pair of the M ₂ downlink beam pairs includes a measurement value corresponding to the second downlink beam pair and a downlink beam pair ranked first in the multiple downlink beam pairs. The difference between the corresponding measured values.

Optionally, the M ₁ downlink transmit beams are the first M ₁ downlink transmit beams with the highest metric values corresponding to the multiple downlink transmit beams.

Optionally, the first downlink transmit beam is a downlink transmit beam with the highest metric value corresponding to the multiple downlink transmit beams. At this time, optionally, the M ₁ downlink transmit beam further includes at least one second downlink transmit beam, and a metric corresponding to each second downlink transmit downlink beam of the at least one second downlink transmit beam and the first downlink The difference between the metrics corresponding to the transmitted downlink beam is less than the second threshold.

Optionally, the at least one second downlink transmit beam is a pre-M ₁ -1 downlink transmit beam with the highest metric value other than the first downlink transmit beam among the multiple downlink transmit beams.

Optionally, the processing unit 330 is specifically configured to:

Determining, according to the M ₁ metric information set and the uplink measurement result, a correspondence result of the transmit/receive beam correspondence at the network device; and/or

And determining, according to the M ₁ metric information set and the uplink measurement result, a correspondence result of the transmit/receive beam correspondence at the terminal device.

Optionally, the sending unit 310 is further configured to send, to the terminal device, a correspondence indication message, where the correspondence indication message is used to indicate a correspondence result of the transmit/receive beam correspondence determined by the processing unit 330.

Optionally, the correspondence indication message is specifically used to indicate at least one of the following:

Whether the transmit/receive beam correspondence is established at the network device;

Whether the transmit/receive beam correspondence is established at the terminal device;

The network device includes at least one transmit/receive beam pair that satisfies beam correspondence;

The terminal device includes at least one transmit/receive beam pair that satisfies beam correspondence.

Optionally, the processing unit 330 is further configured to: when the time interval between the current first moment and the second moment before the first moment reaches a preset time interval, determine to perform the determining to transmit/receive A flow of correspondence results of beam correspondence, wherein the second moment is a nearest neighboring start time for which the transmit/receive beam correspondence is determined.

Optionally, the processing unit 330 is further configured to: determine, when the network device needs to change a transmission mode or a transmission parameter used for data transmission with the terminal device, perform a correspondence result of performing the determined transmit/receive beam correspondence. Process.

Optionally, the sending unit 310 is further configured to send, to the terminal device, configuration indication information, where the configuration indication information is used to indicate, by the network device, the configuration that the downlink signal is sent by using the multiple downlink transmit beams.

Optionally, the configuration indication information is used to indicate at least one of the following configuration parameters: a correspondence between the multiple downlink transmit beams and at least one downlink signal, and between the multiple downlink transmit beams and transmission resources. Corresponding relationship, the maximum number of downlink transmit beams determined by the terminal device from the plurality of downlink transmit beams.

Optionally, the sending unit 310 is configured to send, by using each of the multiple downlink transmit beams, a downlink signal to the terminal device according to the original configuration, where the original configuration is used to determine the transmit/receive at the last execution. In the flow of the correspondence result of the beam correspondence, the downlink signal is transmitted to the terminal device.

Optionally, the downlink signal includes at least one of the following: a CSI-RS, a terminal shared reference signal, a DMRS, and a beam measurement dedicated downlink signal.

It should be understood that the apparatus 300 herein is embodied in the form of a functional unit. In an optional example, those skilled in the art may understand that the device 300 may be specifically the network device in the foregoing embodiment, and the device 300 may be used to perform various processes and/or steps corresponding to the network device in the foregoing method embodiment. To avoid repetition, we will not repeat them here.

FIG. 4 shows a wireless communication device 400 according to another embodiment of the present invention, including:

The processing unit 410 is configured to use multiple downlink receive beam measurement network devices to use downlink signals sent by each of the plurality of downlink transmit beams to obtain downlink measurement results.

Transmitting unit 420, according to the downlink measurement results obtained by the processing unit 410, to the network device transmits downlink transmit beams M ₁ corresponding to the information set metrics M _1, M ₁ is the downlink transmit beams the first metric information corresponding to a first downlink transmit beam set includes at least one of the following: the metric information M ₁ downlink transmit beams transmit a first downlink beam corresponding to the first downlink transmission Measure value information of each downlink beam pair of the M ₂ downlink beam pairs formed by the beam and the M ₂ downlink receive beams of the terminal device, where the multiple downlink transmit beams include the M ₁ downlink transmit beams, and the multiple The downlink receiving beam includes the M ₂ downlink receiving beams, and the first downlink transmitting beam and the first downlink receiving beam of the M ₂ downlink receiving beams form a first downlink beam pair, the first downlink beam The metric of the pair is obtained by the terminal device using the first downlink receiving beam to measure the downlink signal sent by the network device by using the first downlink transmitting beam, and both M ₁ and M ₂ are integers greater than or equal to 1. And M ₁ and M _{2 are} not equal to 1 at the same time.

Optionally, the first metric information set further includes at least one of the following: identifier information of the first downlink transmit beam, and identifier information of each downlink receive beam of the M ₂ downlink receive beams.

Optionally, the metric corresponding to the first downlink transmit beam is specifically a metric of a downlink beam pair corresponding to a maximum value in the first set of measurement values, where the first set of measured values is that the terminal device passes The downlink signal received by the network device using the first downlink transmit beam is measured by using multiple downlink receive beams.

Optionally, the first set of measured values comprises at least one of the following: signal strength, SNR, SINR, and rank value.

Optionally, the M ₂ downlink beam pairs are the first M ₂ downlink beam pairs with the highest metric values of the plurality of downlink beam pairs, wherein the multiple downlink beam pairs are the first downlink transmit beam and the The terminal device is composed of multiple downlink receiving beams.

Optionally, the first downlink beam pair is a downlink beam pair with a highest metric value corresponding to the plurality of downlink beam pairs, where the multiple downlink beam pairs are the first downlink transmit beam and the terminal device Consisting of multiple downlink receive beams. In this case, the M ₂ downlink receive beams further include at least one second downlink receive beam, where the at least one second downlink receive beam and the first downlink transmit beam form at least one second downlink beam pair. And a difference between a metric of each of the at least one second downlink beam pair and a metric of the first downlink beam pair is less than a first threshold.

Optionally, the at least one second downlink beam pair is a pre-M ₂ -1 downlink beam pair with the highest metric value other than the first downlink beam pair among the multiple downlink beam pairs.

Optionally, M ₂ the second downlink beams of the downlink beam comprises metric information of the second downlink beam former measurement value corresponding to the measured downlink beam with the second pair of bit lines corresponding to the beam The difference between the values.

Optionally, the metric value information of the second downlink beam pair of the M ₂ downlink beam pairs includes a measurement value corresponding to the second downlink beam pair and a downlink beam pair ranked first in the multiple downlink beam pairs. The difference between the corresponding measured values.

Optionally, the M ₁ downlink transmit beams are the first M ₁ downlink transmit beams with the highest metric values corresponding to the multiple downlink transmit beams.

Optionally, the first downlink transmit beam is a downlink transmit beam with the highest metric value corresponding to the multiple downlink transmit beams. At this time, optionally, the M ₁ downlink transmit beam further includes at least one second downlink transmit beam, and the metric corresponding to each second downlink transmit downlink beam of the at least one second downlink transmit beam and the first The difference between the metric values corresponding to the downlink beam transmitted by the row is less than the second threshold.

Alternatively, the at least one of the second plurality of downlink transmit beam is a measure of the downlink transmission beyond the first downlink beam in addition to the highest transmission beam former M ₁ -1 downlink transmit beams.

Optionally, the sending unit 420 is further configured to send an uplink signal by using each of the multiple uplink transmit beams.

Optionally, as shown in FIG. 4, the apparatus 400 further includes: a receiving unit 430, configured to receive a correspondence indication message sent by the network device, where the correspondence indication message is used to indicate that the network device sends according to the sending unit 420. Correspondence results of the transmit/receive beam correspondence obtained by the M ₁ metric information set.

Optionally, the correspondence indication message is specifically used to indicate at least one of the following:

Whether the transmit/receive beam correspondence is established at the network device;

Whether the transmit/receive beam correspondence is established at the terminal device;

The network device includes at least one transmit/receive beam pair that satisfies beam correspondence;

The terminal device includes at least one transmit/receive beam pair that satisfies beam correspondence.

Optionally, the receiving unit 430 of the apparatus 400 is configured to: before the processing unit 410 adopts multiple downlink receiving beam measurement network devices, using the downlink signals sent by each of the plurality of downlink transmitting beams, before receiving the network. a configuration indication information sent by the device, where the configuration indication information is used to indicate that the network device uses a plurality of downlink transmit beams to send a downlink signal. The processing unit 410 is specifically configured to use the configuration indication information received by the receiving unit 430. A downlink signal transmitted by each of the plurality of downlink transmit beams is used by the plurality of downlink receive beam measurement network devices.

Optionally, the configuration indication information is used to indicate at least one of the following configuration parameters: a correspondence between the multiple downlink transmit beams and at least one downlink signal, and between the multiple downlink transmit beams and transmission resources. Correspondence relationship.

Optionally, the configuration indication information may also be used to indicate the maximum number of downlink transmit beams that the terminal device determines from the multiple downlink transmit beams, that is, the maximum number of metric information sets reported by the terminal device. At this time, the terminal device may determine, according to the configuration indication information and the downlink measurement result, the M ₁ downlink transmit beams from the multiple downlink transmit beams.

Optionally, the downlink signal sent by the network device by using the multiple downlink transmit beams includes at least one of the following: a CSI-RS, a terminal shared reference signal, a DMRS, and a beam measurement dedicated downlink signal.

It should be understood that the apparatus 400 herein is embodied in the form of a functional unit. In an alternative example, those skilled in the art may understand that the device 400 may be specifically the terminal device in the foregoing embodiment, and the device 500 may be used to perform various processes and/or steps corresponding to the terminal device in the foregoing method embodiment. To avoid repetition, we will not repeat them here.

It should also be understood that in the embodiments of the present invention, the term "unit" may refer to an application specific integrated circuit (ASIC), an electronic circuit, a processor for executing one or more software or firmware programs (eg, sharing). Processors, proprietary processors or group processors, etc.) and memory, merge logic, and/or other suitable components that support the described functionality.

FIG. 5 shows a wireless communication device 500 according to an embodiment of the present invention, including: a processor 510 and a memory 520, wherein the memory 520 is configured to store an instruction, and the processor 510 is configured to execute The memory 520 stores instructions that, in response to execution of the instructions, cause the processor 510 to:

Transmitting, by using each of the plurality of downlink transmit beams, a downlink signal to the terminal device;

The terminal device receiving _a metric M set information and _a downlink transmission beam corresponding to the transmission M, the first metric information of the first downlink beam corresponding to the M transmit _a downlink transmit beams in the set comprises the following at least one of: the first downlink beam emittance magnitude information corresponding to the first M downlink transmit beams with the terminal device ₂ receives the downlink beams composed of ₂ M downlink beams for the downlink beams each metric information, wherein the plurality of beams comprises a downlink transmit the downlink transmit beams M _1, the first transmit a first downlink beam with the lower M ₂ received downlink beams constituting the first beam receiving downlink a row beam pair, the metric of the first downlink beam pair is obtained by using the downlink signal sent by the first downlink transmit beam by using the first downlink receive beam measurement, and M ₁ and M ₂ are both greater than Or an integer equal to 1, and M ₁ and M _{2 are} not equal to 1 at the same time;

Measuring, by using each of the plurality of uplink receiving beams, an uplink signal sent by the terminal device by using multiple uplink transmit beams, to obtain an uplink measurement result;

Corresponding results of the transmit/receive beam correspondence are determined according to the M ₁ metric information set and the uplink measurement result.

In an optional example, those skilled in the art may understand that the device 500 may be specifically the network device in the foregoing embodiment, and the device 500 may be used to perform various processes and/or steps corresponding to the network device in the foregoing method embodiments. To avoid repetition, we will not repeat them here.

FIG. 6 shows a wireless communication device 600 according to another embodiment of the present invention, including: a processor 610 and a memory 620, wherein the memory 620 is configured to store an instruction, and the processor 610 is configured to execute the instruction stored in the memory 620. The execution of the instruction causes the processor 610 to perform the following operations:

Using a plurality of downlink receive beam measurement network devices, the downlink signals sent by each of the plurality of downlink transmit beams are used to obtain downlink measurement results;

According to the downlink measurement results to the network device transmits downlink transmit beams M ₁ corresponding to the set information metrics M _1, M ₁ corresponding to the downlink transmit beams transmit a first downlink beam first metric information set includes at least one of the following: the metric information M ₁ downlink transmit beams transmit a first downlink beam corresponding to the first M downlink transmit beams and the terminal device ₂ receives the downlink beams constituting M ₂ of downlink beams for the downlink beams each metric pair information, wherein the plurality of beams comprises a downlink transmit the downlink transmit beams M _1, which comprises a plurality of receive beams of the downlink downlink reception beam M _2, The first downlink transmit beam and the first downlink receive beam of the M ₂ downlink receive beams form a first downlink beam pair, and the metric of the first downlink beam pair is that the terminal device adopts the first downlink The line receiving beam measurement is obtained by the network device using the downlink signal sent by the first downlink transmitting beam, and both M ₁ and M ₂ are integers greater than or equal to 1, and M ₁ and M _{2 are} not equal to 1 at the same time.

In an optional example, those skilled in the art may understand that the device 600 may be specifically the terminal device in the foregoing embodiment, and the device 600 may be used to perform various processes and/or steps corresponding to the terminal device in the foregoing method embodiment. To avoid repetition, we will not repeat them here.

It should be understood that, in the embodiment of the present invention, the processor may be a central processing unit (CPU), and the processor may also be other general-purpose processors, digital uplink signal processors (DSPs), and application specific integrated circuits ( ASIC), off-the-shelf programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, and more. The general purpose processor may be a microprocessor or the processor or any conventional processor or the like.

The memory can include read only memory and random access memory and provides instructions and data to the processor. A portion of the memory may also include a non-volatile random access memory. For example, the memory can also store information of the device type. The processor can be used to execute instructions stored in the memory, and when the processor executes the instructions, the processor can perform the steps corresponding to the terminal device in the above method embodiments.

In the implementation process, each step of the above method may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software. The steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor. The software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like. The storage medium is located in a memory, and the processor executes instructions in the memory, in combination with hardware to perform the steps of the above method. To avoid repetition, it will not be described in detail here.

It should be understood that the above description of the embodiments of the present invention is emphasized to emphasize the differences between the various embodiments, and the same or similar points that are not mentioned may be referred to each other, and are not described herein again for brevity.

Moreover, the terms "system" and "network" are used interchangeably herein. The term "and/or" in this context is merely an association describing the associated object, indicating that there may be three relationships, for example, A and/or B, which may indicate that A exists separately, and both A and B exist, and are stored separately. In the three cases of B. In addition, the character "/" in this article generally indicates that the contextual object is an "or" relationship.

Those skilled in the art will appreciate that the various method steps and elements described in connection with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of both, in order to clearly illustrate hardware and software. Interchangeability, the steps and composition of the various embodiments have been generally described in terms of function in the foregoing description. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the solution. Different methods may be used to implement the described functionality for each particular application, but such implementation should not be considered to be beyond the scope of the present invention.

A person skilled in the art can clearly understand that, for the convenience and brevity of the description, the specific working process of the system, the device and the unit described above can refer to the corresponding process in the foregoing method embodiment, and details are not described herein again.

In the several embodiments provided by the present application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the device embodiments described above are merely illustrative. For example, the division of the unit is only a logical function division. In actual implementation, there may be another division manner, for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed. In addition, the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, or an electrical, mechanical or other form of connection.

The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the embodiments of the present invention.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.

The integrated unit, if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention is essential or the part contributing to the prior art, or all or part of the technical solution may be embodied in the form of a software product stored in A storage medium includes instructions for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention. The foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .

The above is only the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any equivalent person can be easily conceived within the technical scope of the present invention by any person skilled in the art. Modifications or substitutions are intended to be included within the scope of the invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims (74)

A wireless communication method, comprising: The network device sends a downlink signal by using each of the plurality of downlink transmit beams; M ₁ and the downlink transmit beams M ₁ corresponding to a set of metrics information transmitted from the reception terminal device network device, the first metric information of the first downlink transmit beams M ₁ corresponding to the downlink transmit beams set comprising at least one of: the first downlink beam emittance magnitude information corresponding to the first M downlink transmit beams of the terminal device ₂ receives the downlink beams composed of _two downlink M beam metric information for each of the downlink beams, wherein said beam comprises a plurality of downlink transmit the downlink transmit beams M _1, the beam of the first downlink transmit M ₂ receives downlink beams The first downlink receiving beam constitutes a first downlink beam pair, and the metric of the first downlink beam pair is that the terminal device uses the first downlink receiving beam to measure the network device to adopt the first downlink Obtained by the downlink signal transmitted by the transmit beam, both M ₁ and M ₂ are integers greater than or equal to 1, and M ₁ and M _{2 are} not equal to 1 at the same time; The network device uses each of the plurality of uplink receiving beams to measure an uplink signal sent by the terminal device by using multiple uplink transmit beams, to obtain an uplink measurement result; The network equipment according to the information set metrics M ₁ and the uplink measurement results, the transmit / receive beam corresponding to the result of the correspondence. The method according to claim 1, wherein the first metric information set further comprises at least one of the following: identification information of the first downlink transmit beam, the M ₂ downlink receive beams Identification information of each downlink receiving beam. The method according to claim 1 or 2, wherein the metric value corresponding to the first downlink transmit beam is specifically a metric value of a downlink beam pair corresponding to a maximum value in the first set of measurement values, where The first set of measured values is obtained by the terminal device measuring the downlink signal sent by the network device by using the first downlink transmit beam by using multiple downlink receive beams. The method of claim 3, wherein the first set of measured values comprises at least one of: signal strength, signal to noise ratio SNR, signal to interference and noise ratio SINR, and rank value. The method according to any one of claims 1 to 4, wherein the M ₂ downlink beam pairs are the first M ₂ downlink beam pairs having the highest metric values among the plurality of downlink beam pairs, wherein The plurality of downlink beam pairs are formed by the first downlink transmit beam and a plurality of downlink receive beams of the terminal device. The method according to any one of claims 1 to 4, wherein the first downlink beam pair is a downlink beam pair having a highest metric value among a plurality of downlink beam pairs, wherein the plurality of downlink beam pairs The downlink beam pair is composed of the first downlink transmit beam and multiple downlink receive beams of the terminal device; The M ₂ downlink receive beams further include at least one second downlink receive beam, wherein the at least one second downlink receive beam and the first downlink transmit beam form at least one second downlink beam pair, where the at least one A difference between a metric of each of the second downlink beam pairs and a metric of the first downlink beam pair is less than a first threshold. The method according to claim 6, wherein the at least one second downlink beam pair is a front M ₂ of the plurality of downlink beam pairs having the highest metric value other than the first downlink beam pair - 1 downlink beam pair. A method according to any one of claims 1 to 7, wherein The metric value information of the second downlink beam pair of the M ₂ downlink beam pairs includes a measurement value corresponding to the second downlink beam pair and a measurement value corresponding to a previous downlink beam pair of the second downlink beam pair. The difference between them; or The metric value information of the second downlink beam pair of the M ₂ downlink beam pairs includes a measurement value corresponding to the second downlink beam pair and a downlink beam pair ranked first in the plurality of downlink beam pairs. The difference between the corresponding measured values. The method according to any one of claims 1 to 8, wherein the M ₁ downlink transmit beams are the first M ₁ downlink transmit beams with the highest metric values among the plurality of downlink transmit beams. The method according to any one of claims 1 to 8, wherein the first downlink transmit beam is a downlink transmit beam with a highest metric value corresponding to the plurality of downlink transmit beams; The M ₁ downlink transmit beam further includes at least one second downlink transmit beam, and the metric corresponding to each second downlink transmit downlink beam of the at least one second downlink transmit beam corresponds to the first downlink transmit downlink beam The difference between the metrics is less than the second threshold. The method according to claim 10, wherein the at least one second downlink transmit beam is a pre-M ₁ of the plurality of downlink transmit beams having the highest metric value other than the first downlink transmit beam. - 1 downlink transmit beam. The method according to any one of claims 1 to 11, wherein the network device determines a correspondence result of the transmit/receive beam correspondence according to the M ₁ metric information set and the uplink measurement result ,include: The network equipment according to the information set metrics M ₁ and the uplink measurement results, the transmit / receive beam corresponding to a result of the correspondence at the network device; and / or The network equipment according to the information set metrics M ₁ and the uplink measurement results, the transmit / receive beam in correspondence correspondence results at the terminal device. The method according to any one of claims 1 to 12, further comprising: The network device sends a correspondence indication message to the terminal device, where the correspondence indication message is used to indicate a correspondence result of the transmit/receive beam correspondence. The method according to claim 13, wherein the correspondence indication message is specifically used to indicate at least one of the following: Whether the transmit/receive beam correspondence is established at the network device; Whether the transmit/receive beam correspondence is established at the terminal device; ???the network device includes at least one transmit/receive beam pair that satisfies beam correspondence; The terminal device includes at least one transmit/receive beam pair that satisfies beam correspondence. The method according to any one of claims 1 to 14, wherein before the network device transmits a downlink signal to the terminal device by using each of the plurality of downlink transmit beams, the method further includes : And determining, by the network device, that the correspondence between determining the transmit/receive beam correspondence is performed, where the time interval between the current first moment and the second moment before the first moment reaches a preset time interval The resulting flow, wherein the second time instant is the closest neighboring start time for which the transmit/receive beam correspondence is determined. The method according to any one of claims 1 to 15, wherein before the network device transmits a downlink signal to the terminal device by using each of the plurality of downlink transmit beams, the method further includes : In the case where the network device needs to change a transmission mode or transmission parameter for data transmission with the terminal device, the network device determines a flow of performing the correspondence result of determining the transmit/receive beam correspondence. The method according to any one of claims 1 to 16, wherein the network device uses each of the plurality of downlink transmit beams to transmit to the terminal device Before the signal is sent, the method further includes: The network device sends configuration indication information to the terminal device, where the configuration indication information is used to indicate that the network device uses the multiple downlink transmit beams to send a downlink signal to the terminal device. The method according to claim 17, wherein the configuration indication information is used to indicate at least one of the following configuration parameters: a correspondence between the plurality of downlink transmit beams and at least one downlink signal, Corresponding relationship between multiple downlink transmit beams and transmission resources. The method according to any one of claims 1 to 18, wherein the network device sends a downlink signal to the terminal device by using each of the plurality of downlink transmit beams, including: The network device sends a downlink signal to the terminal device by using each of the plurality of downlink transmit beams according to the original configuration, where the original configuration is used by the network device to perform the determined transmit/receive beam corresponding to the previous configuration. The downlink signal is sent to the terminal device in the flow of the corresponding result of the sexuality. The method according to any one of claims 1 to 19, wherein the downlink signal comprises at least one of: a channel state indication reference signal CSI-RS, a terminal shared reference signal, and a demodulation reference signal DMRS And beam measurement dedicated downlink signals. A wireless communication method, comprising: The terminal device uses multiple downlink receive beam measurement network devices to use the downlink signals sent by each of the downlink transmit beams to obtain downlink measurement results. The terminal apparatus according to the downlink measurement results to the network device transmits downlink transmit beams M ₁ corresponding to the information set metrics M _1, M ₁ transmit the downlink transmit a first downlink beams The first metric information set corresponding to the beam includes at least one of the following: metric value information corresponding to the first downlink transmit beam, the first downlink transmit beam, and M ₂ downlinks of the terminal device And metric value information of each of the M ₂ downlink beam pairs formed by the receive beam, where the multiple downlink transmit beams include the M ₁ downlink transmit beams, and the multiple downlink receive beams include the M ₂ downlink receive beams, the first downlink transmit beam and the first downlink receive beam of the M ₂ downlink receive beams form a first downlink beam pair, and the metric of the first downlink beam pair The value is obtained by using the first downlink receiving beam to measure the downlink signal sent by the network device by using the first downlink transmit beam, where M ₁ and M ₂ are integers greater than or equal to 1, and M ₁ and M _{2 is} not equal to 1 at the same time. The method according to claim 21, wherein the first metric information set further comprises at least one of the following: identification information of the first downlink transmit beam, the M ₂ downlink receive beams Identification information of each downlink receiving beam. The method according to claim 21 or 22, wherein the metric value corresponding to the first downlink transmit beam is specifically a metric value of a downlink beam pair corresponding to a maximum value in the first set of measurement values, where The first set of measured values is obtained by the terminal device measuring the downlink signal sent by the network device by using the first downlink transmit beam by using multiple downlink receive beams. The method of claim 23, wherein the first set of measured values comprises at least one of: signal strength, signal to noise ratio SNR, signal to interference and noise ratio SINR, and rank value. The method according to any one of claims 21 to 24, wherein the M ₂ downlink beam pairs are the first M ₂ downlink beam pairs having the highest metric values among the plurality of downlink beam pairs, wherein The plurality of downlink beam pairs are formed by the first downlink transmit beam and a plurality of downlink receive beams of the terminal device. The method according to any one of claims 21 to 24, wherein the first downlink beam pair is a downlink beam pair having a highest metric value among a plurality of downlink beam pairs, wherein the plurality of downlink beam pairs The downlink beam pair is composed of the first downlink transmit beam and multiple downlink receive beams of the terminal device; The M ₂ downlink receive beams further include at least one second downlink receive beam, wherein the at least one second downlink receive beam and the first downlink transmit beam form at least one second downlink beam pair, where the at least one A difference between a metric of each of the second downlink beam pairs and a metric of the first downlink beam pair is less than a first threshold. The method according to claim 26, wherein said at least one second downlink beam pair is a pre-M ₂ of said plurality of downlink beam pairs having the highest metric value other than said first downlink beam pair - 1 downlink beam pair. The method of claim 27, wherein The metric value information of the second downlink beam pair of the M ₂ downlink beam pairs includes a measurement value corresponding to the second downlink beam pair and a measurement value corresponding to a previous downlink beam pair of the second downlink beam pair. The difference between them; or The metric value information of the second downlink beam pair of the M ₂ downlink beam pairs includes a measurement value corresponding to the second downlink beam pair and a downlink beam pair ranked first in the plurality of downlink beam pairs. The difference between the corresponding measured values. The method according to any one of claims 21 to 28, wherein the M ₁ downlink transmit beams are the first M ₁ downlink transmit beams with the highest metric values among the plurality of downlink transmit beams. The method according to any one of claims 21 to 28, wherein the first downlink transmit beam is a downlink transmit beam with a highest metric value corresponding to the plurality of downlink transmit beams; The M ₁ downlink transmit beam further includes at least one second downlink transmit beam, and a metric corresponding to each of the at least one second downlink transmit beam and the first downlink transmit downlink beam The difference between the corresponding metrics is less than the second threshold. The method according to claim 30, characterized in that said at least a second of said plurality of downlink transmit beams downlink transmit beams is the highest metric in addition to the first downlink transmit beams M ₁ before - 1 downlink transmit beam. The method according to any one of claims 21 to 31, wherein the method further comprises: The terminal device transmits an uplink signal by using each of the plurality of uplink transmit beams. The method according to any one of claims 21 to 32, wherein the method further comprises: The terminal device receives a correspondence indication message sent by the network device, where the correspondence indication message is used to indicate a correspondence result of the transmit/receive beam correspondence. The method according to claim 33, wherein the correspondence indication message is specifically used to indicate at least one of the following: Whether the transmit/receive beam correspondence is established at the network device; Whether the transmit/receive beam correspondence is established at the terminal device; ???the network device includes at least one transmit/receive beam pair that satisfies beam correspondence; The terminal device includes at least one transmit/receive beam pair that satisfies beam correspondence. The method according to any one of claims 21 to 34, wherein the terminal device uses a plurality of downlink receive beam measurement network devices to transmit downlink signals transmitted by each of the plurality of downlink transmit beams. Previously, the method further includes: Receiving, by the terminal device, configuration indication information sent by the network device, where the configuration indication letter is And the configuration is used to indicate that the network device sends the downlink signal to the terminal device by using the multiple downlink transmit beams; The terminal device uses a plurality of downlink receiving beam measurement network devices to use the downlink signals sent by each of the plurality of downlink transmit beams, including: The terminal device uses, according to the configuration indication information, a downlink signal that is sent by each of the plurality of downlink transmit beams by the plurality of downlink receive beam measurement network devices. The method according to claim 35, wherein the configuration indication information is used to indicate at least one of the following configuration parameters: a correspondence between the plurality of downlink transmit beams and at least one downlink signal, Corresponding relationship between multiple downlink transmit beams and transmission resources. The method according to any one of claims 21 to 36, wherein the downlink signal comprises at least one of: a channel state indication reference signal CSI-RS, a terminal shared reference signal, and a demodulation reference signal DMRS And beam measurement dedicated downlink signals. A wireless communication device in a multi-beam system, comprising: a sending unit, configured to send a downlink signal by using each of a plurality of downlink transmit beams; Receiving means for receiving _a terminal apparatus with M transmit beam corresponding to the downlink transmission of _a metric M set information, a first metric corresponding to a first downlink beam transmit _a downlink transmit beams of the M information set includes at least one of the following: measure the downlink information of the first transmit beam corresponding to the first M downlink transmit beams and the terminal device ₂ receives the M downlink beams composed of _two The metric value information of each downlink beam pair in the downlink beam pair, where the multiple downlink transmit beams include the M ₁ downlink transmit beams, the first downlink transmit beam and the M ₂ downlink receive beams The first downlink receiving beam in the first downlink beam pair constitutes a first downlink beam pair, and the metric value of the first downlink beam pair is that the terminal device uses the first downlink receiving beam to measure the sending unit to adopt the first The downlink signals transmitted by the downlink transmit beam are obtained, and both M ₁ and M ₂ are integers greater than or equal to 1, and M ₁ and M _{2 are} not equal to 1 when they are not different; a processing unit, configured to measure, by using each of the plurality of uplink receiving beams, an uplink signal sent by the terminal device by using multiple uplink transmit beams, to obtain an uplink measurement result, and according to the M received by the receiving unit _A set of metric information and the uplink measurement result determine a correspondence result of the transmit/receive beam correspondence. The apparatus according to claim 38, wherein the first metric information set further comprises at least one of the following: identification information of the first downlink transmit beam, the M ₂ downlink receive beams Identification information of each downlink receiving beam. The device according to claim 38 or 39, wherein the metric value corresponding to the first downlink transmit beam is specifically a metric value of a downlink beam pair corresponding to a maximum value in the first set of measurement values, where The first set of measured values is obtained by the terminal device measuring a downlink signal sent by using the first downlink transmit beam by using multiple downlink receive beams. The apparatus of claim 40, wherein the first set of measured values comprises at least one of: signal strength, signal to noise ratio SNR, signal to interference and noise ratio SINR, and rank value. The apparatus according to any one of claims 38 to 41, wherein the M ₂ downlink beam pairs are the first M ₂ downlink beam pairs having the highest metric values among the plurality of downlink beam pairs, wherein The plurality of downlink beam pairs are formed by the first downlink transmit beam and a plurality of downlink receive beams of the terminal device. The apparatus according to any one of claims 38 to 41, wherein the first downlink beam pair is a downlink beam pair having a highest metric value corresponding to a plurality of downlink beam pairs, wherein the plurality of downlink beam pairs The downlink beam pair is composed of the first downlink transmit beam and multiple downlink receive beams of the terminal device; The M ₂ downlink receive beams further include at least one second downlink receive beam, wherein the at least one second downlink receive beam and the first downlink transmit beam form at least one second downlink beam pair, where the at least one A difference between a metric of each of the second downlink beam pairs and a metric of the first downlink beam pair is less than a first threshold. The apparatus according to claim 43, wherein said at least one second downlink beam pair is a pre-M ₂ of said plurality of downlink beam pairs having the highest metric value other than said first downlink beam pair - 1 downlink beam pair. A device according to any one of claims 38 to 44, wherein The downlink beam M ₂ metric information of the second downlink beam comprises the second downlink beam former measurement value corresponding to the measured value and the second bit line pair downlink beam corresponding to the beam The difference between them; or The metric value information of the second downlink beam pair of the M ₂ downlink beam pairs includes a measurement value corresponding to the second downlink beam pair and a downlink beam pair ranked first in the plurality of downlink beam pairs. The difference between the corresponding measured values. The apparatus according to any one of claims 38 to 45, wherein the M ₁ downlink transmit beams are the first M ₁ downlink transmit beams having the highest metric values among the plurality of downlink transmit beams. The apparatus according to any one of claims 38 to 45, wherein the first downlink transmit beam is a downlink transmit beam with a highest metric value corresponding to the plurality of downlink transmit beams; The M ₁ downlink transmit beam further includes at least one second downlink transmit beam, and the metric corresponding to each second downlink transmit downlink beam of the at least one second downlink transmit beam corresponds to the first downlink transmit downlink beam The difference between the metrics is less than the second threshold. The apparatus according to claim 47, wherein said at least one second downlink transmit beam is a pre-M ₁ of said plurality of downlink transmit beams having the highest metric value other than said first downlink transmit beam - 1 downlink transmit beam. The device according to any one of claims 38 to 48, wherein the processing unit is specifically configured to: Determining, according to the M ₁ metric information set and the uplink measurement result, a correspondence result of the transmit/receive beam correspondence at the network device; and/or And determining, according to the M ₁ metric information set and the uplink measurement result, a correspondence result of the transmit/receive beam correspondence at the terminal device. The device according to any one of claims 38 to 49, wherein the sending unit is further configured to send a correspondence indication message to the terminal device, where the correspondence indication message is used to indicate the processing unit Corresponding results of the correspondence of the transmit/receive beams are determined. The apparatus according to claim 50, wherein the correspondence indication message is specifically used to indicate at least one of the following: Whether the transmit/receive beam correspondence is established at the network device; Whether the transmit/receive beam correspondence is established at the terminal device; ???the network device includes at least one transmit/receive beam pair that satisfies beam correspondence; The terminal device includes at least one transmit/receive beam pair that satisfies beam correspondence. The device according to any one of claims 38 to 51, wherein the processing unit is further configured to: Determining, in a case where the time interval between the current first moment and the second moment before the first moment reaches a preset time interval, a process of performing the correspondence result of determining the correspondence of the transmit/receive beams, The second moment is a nearest neighboring start time determined by the transmit/receive beam correspondence. The device according to any one of claims 38 to 52, wherein the processing unit is further configured to: In the case where the network device needs to change a transmission mode or transmission parameter for data transmission with the terminal device, a flow of performing the correspondence result of determining the correspondence of the transmission/reception beam is determined. The device according to any one of claims 38 to 53, wherein the sending unit is further configured to send configuration indication information to the terminal device, where the configuration indication information is used to indicate that the network device adopts the The downlink transmit beam sends a configuration of the downlink signal to the terminal device. The device according to claim 54, wherein the configuration indication information is used to indicate at least one of the following configuration parameters: a correspondence between the plurality of downlink transmit beams and at least one downlink signal, Corresponding relationship between multiple downlink transmit beams and transmission resources. The device according to any one of claims 38 to 55, wherein the sending unit is configured to: send, according to the original configuration, a downlink signal to each of the plurality of downlink transmit beams to the terminal device, where the original There is a flow signal configured to transmit a downlink signal to the terminal device in the flow of the last time the correspondence result of determining the transmit/receive beam correspondence is performed. The apparatus according to any one of claims 38 to 56, wherein the downlink signal comprises at least one of: a channel state indication reference signal CSI-RS, a terminal shared reference signal, and a demodulation reference signal DMRS And beam measurement dedicated downlink signals. A wireless communication device, comprising: a processing unit, configured to use multiple downlink receive beam measurement network devices to use downlink signals sent by each of the plurality of downlink transmit beams to obtain downlink measurement results; A transmission unit configured according to the downlink measurement result obtained by the processing unit, to the network device transmits downlink transmit beams M ₁ corresponding to the information set metrics M _1, M ₁ and the downlink transmit beams The first metric information set corresponding to the first downlink transmit beam includes at least one of the following: metric value information corresponding to the first downlink transmit beam, the first downlink transmit beam, and a terminal device M ₂ M ₂ downlink beams received downlink beams constituting the metric information for each of the downlink beams, wherein said beam comprises a plurality of downlink transmit the downlink transmit beams M _1, the plurality of downlink The receiving beam includes the M ₂ downlink receiving beams, and the first downlink transmitting beam and the first downlink receiving beam of the M ₂ downlink receiving beams form a first downlink beam pair, where the first downlink beam measure of the beam line is the first terminal device by using the measured downlink reception beam using the first downlink network device transmits downlink signals transmitted beam obtained, M ₁ and M ₂ are both greater than or equal to An integer of ₁ and M ₁ and M _{2 are} not equal to 1 at the same time. The apparatus according to claim 58, wherein the first metric information set further comprises at least one of the following: identification information of the first downlink transmit beam, the M ₂ downlink receive beams Identification information of each downlink receiving beam. The device according to claim 58 or 59, wherein the metric value corresponding to the first downlink transmit beam is specifically a metric value of a downlink beam pair corresponding to a maximum value in the first set of measurement values, where The first set of measured values is obtained by the terminal device measuring the downlink signal sent by the network device by using the first downlink transmit beam by using multiple downlink receive beams. The apparatus of claim 60, wherein the first set of measured values comprises at least one of: signal strength, signal to noise ratio SNR, signal to interference and noise ratio SINR, and rank value. The device according to any one of claims 58 to 61, wherein the M ₂ downlink beam pairs are the first M ₂ downlink beam pairs having the highest metric values among the plurality of downlink beam pairs, wherein The plurality of downlink beam pairs are formed by the first downlink transmit beam and a plurality of downlink receive beams of the terminal device. The apparatus according to any one of claims 58 to 61, wherein the first downlink beam pair is a downlink beam pair having a highest metric value corresponding to a plurality of downlink beam pairs, wherein the plurality of downlink beam pairs The downlink beam pair is composed of the first downlink transmit beam and multiple downlink receive beams of the terminal device; The M ₂ downlink receive beams further include at least one second downlink receive beam, wherein the at least one second downlink receive beam and the first downlink transmit beam form at least one second downlink beam pair, where the at least one A difference between a metric of each of the second downlink beam pairs and a metric of the first downlink beam pair is less than a first threshold. The apparatus according to claim 63, wherein said at least one second downlink beam pair is a pre-M ₂ of said plurality of downlink beam pairs having the highest metric value other than said first downlink beam pair - 1 downlink beam pair. The device of claim 64, wherein The downlink beam M ₂ metric information of the second downlink beam comprises the second downlink beam former measurement value corresponding to the measured value and the second bit line pair downlink beam corresponding to the beam The difference between them; or The metric value information of the second downlink beam pair of the M ₂ downlink beam pairs includes a measurement value corresponding to the second downlink beam pair and a downlink beam pair ranked first in the plurality of downlink beam pairs. The difference between the corresponding measured values. The apparatus according to any one of claims 58 to 65, wherein the M ₁ downlink transmit beams are the first M ₁ downlink transmit beams with the highest metric values among the plurality of downlink transmit beams. The device according to any one of claims 58 to 65, wherein the first downlink transmit beam is a downlink transmit beam with a highest metric value corresponding to the plurality of downlink transmit beams; The M ₁ downlink transmit beam further includes at least one second downlink transmit beam, and a metric corresponding to each of the at least one second downlink transmit beam and the first downlink transmit downlink beam The difference between the corresponding metrics is less than the second threshold. The apparatus according to claim 67, wherein said at least one second downlink transmit beam is a pre-M ₁ of said plurality of downlink transmit beams having the highest metric value other than said first downlink transmit beam - 1 downlink transmit beam. The apparatus according to any one of claims 58 to 68, wherein the transmitting unit is further configured to transmit an uplink signal by using each of the plurality of uplink transmit beams. The device according to any one of claims 58 to 69, wherein the device further comprises: Receiving a first message indicating a correspondence unit configured to receive the network device sent corresponding to the indication message instructs the network device according to the sending unit to send the metrics M ₁ information sets obtained transmission / reception Correspondence results of beam correspondence. The apparatus according to claim 70, wherein the correspondence indication message is specifically used to indicate at least one of the following: Whether the transmit/receive beam correspondence is established at the network device; Whether the transmit/receive beam correspondence is established at the terminal device; ???the network device includes at least one transmit/receive beam pair that satisfies beam correspondence; The terminal device includes at least one transmit/receive beam pair that satisfies beam correspondence. The device according to any one of claims 58 to 71, wherein the device further comprises: a second receiving unit, configured to use multiple downlink receive beam measurement network settings in the processing unit Before receiving the downlink signal sent by each of the plurality of downlink transmit beams, receiving configuration indication information sent by the network device, where the configuration indication information is used to indicate that the network device uses the multiple downlink transmissions a configuration in which a beam transmits a downlink signal to the terminal device; The processing unit is configured to: use, according to the configuration indication information received by the second receiving unit, a downlink signal that is sent by each of the plurality of downlink transmit beams by the plurality of downlink receive beam measurement network devices. The device according to claim 72, wherein the configuration indication information is used to indicate at least one of the following configuration parameters: a correspondence between the plurality of downlink transmit beams and at least one downlink signal, Corresponding relationship between multiple downlink transmit beams and transmission resources. The apparatus according to any one of claims 58 to 73, wherein the downlink signal comprises at least one of: a channel state indication reference signal CSI-RS, a terminal shared reference signal, and a demodulation reference signal DMRS And beam measurement dedicated downlink signals.

Images