WO2020061980A1 - Measurement configuration method and device - Google Patents

Abstract

A measurement configuration method and device (400), which are used to perform channel measurement during early data transmission so as to ensure data transmission quality. The method comprises: receiving system information from a network device (S301), wherein the system information carries a first indication, and the first indication is used to indicate multiple narrowbands; and according to a first instruction, performing channel measurement on some or all of the multiple narrowbands (S302).

Description

Measurement configuration method and device Technical field

The present application relates to the field of communication technologies, and in particular, to a measurement configuration method and device.

Background technique

For some communication scenarios such as machine type communication (MTC) and narrow band Internet of Things (NB-IoT), the characteristics of data transmission are that the amount of data is small and the time of data arrival is not determine. For transmitting data packets with a small amount of data, if the traditional radio resource control (RRC) connection establishment process is used, the system overhead is too large, the resource utilization efficiency is low, the power consumption of the terminal is too large, and the data transmission delay cannot be met Claim.

In the prior art, small packets of data are sent to a terminal or a network in a random access process without establishing an RRC connection to the terminal, so that the terminal can receive data transmission after it is idle. Specifically, the downlink data can be sent to the terminal in Msg4 in the random access process, and the uplink data can be sent to the network in Msg3 in the random access process to implement early downlink data transmission and / or early uplink data transmission. .

However, in the existing scheme for early transmission of downlink data, the network side cannot accurately schedule downlink data, and the efficiency and quality of downlink data transmission are low.

Summary of the Invention

The present application provides a measurement configuration method and device for improving the efficiency and quality of downlink data transmission.

According to a first aspect, a measurement configuration method is provided. The method may be performed by a terminal. The method is specifically implemented by the following steps: receiving system information from a network device, and the system information is used to indicate multiple narrowbands. Specifically, the system The information carries a first instruction, where the first instruction is used to indicate multiple narrowbands; and according to the first instruction, channel measurement is performed on part or all of the multiple narrowbands. In this way, the terminal can perform channel measurement on some or all of the multiple narrowbands as early as possible, which can ensure sufficient measurement time and help ensure the timeliness of the channel measurement. Network devices can target multiple terminals on multiple narrowbands. Scheduling downlink data will not cause overload on only one narrowband, and network equipment can refer to the terminal to measure the reported narrowband channel conditions to better schedule downlink data and improve the flexibility of scheduling downlink transmissions.

In a possible design, after receiving the system information, a random access preamble can also be sent to the network device; a random access response is received from the network device, and the random access response carries a second indication, so The second instruction is used to indicate a first target narrowband of the multiple narrowbands; and in response to the random access response, send a message 3 to the network device, and the message 3 is carried on the first target narrowband. Measurement results of channel measurement. In this way, the channel measurement is performed on multiple narrowbands, and the measurement results of the channel measurement are selected to be reported on one narrowband. The terminal can not only have enough measurement time to complete the measurement before message 3, but also avoid multiple terminals occupying the same narrowband. The narrowband overload, on the other hand, makes the scheduling of network equipment more flexible.

Optionally, the second indication indicates the sequence number of the target narrowband or the index of the target narrowband in the narrowband group.

In a possible design, the first indication is used to indicate multiple narrowband groups, the multiple narrowbands are included in the multiple narrowband groups, and each of the multiple narrowband groups includes one or one The above narrowband; the channel measurement is performed on the multiple narrowband portions, and the specific implementation manner is: determining an index of a target narrowband group according to a user identifier and the number of groups of the multiple narrowband groups; Narrowband for channel measurement. In this way, the network device can schedule the terminal to perform channel quality measurement on more narrowbands, and the narrowband range that the terminal can choose to perform channel measurement is wider, and the network load can be more balanced.

Optionally, the number of narrowbands included in different narrowband groups may be the same or different. The number of the narrowband included in a narrowband group may be continuous or discontinuous.

In a possible design, the user identifier performs a modulo operation on the group number of the multiple narrowband groups, and a result of the operation is an index of the target narrowband group. This can balance the load of each narrowband group.

In a possible design, performing channel measurement on the multiple narrowband portions may be implemented by: determining a second target narrowband according to a user identifier and the narrowband number of the multiple narrowbands; and performing a second target narrowband on the second target. Narrowband for channel measurements.

In a possible design, determining the second target narrowband according to the user identifier and the narrowband number of the multiple narrowbands may be implemented by: performing a modulus operation on the narrowband number of the multiple narrowbands by the user identifier. To obtain the index of the second target narrowband, the result of the modulo operation is the index of the second target narrowband, and determine the second target narrowband according to the index of the second target narrowband. This can balance the load on each of the multiple narrow bands.

In a possible design, the method may further include: sending a random access preamble to the network device; receiving a random access response from the network device; and in response to the random access response, sending the random access response to the network device A message 3 is sent, and the message 3 carries a measurement result of performing channel measurement on the second target narrowband. In this way, the channel measurement is performed on multiple narrowbands, and the measurement results of the channel measurement are selected to be reported on one narrowband. The terminal can not only have enough measurement time to complete the measurement before message 3, but also avoid multiple terminals occupying the same narrowband. The narrowband overload, on the other hand, makes the scheduling of network equipment more flexible.

In a possible design, the first indication is a narrow-band cell mpdcch-NarrowbandsToMonitor that indicates a physical downlink control channel PDCCH that schedules a random access response; the terminal determines that the narrowband indicated by the cell is a continuous Multiple narrow bands, or the terminal determines multiple narrow bands selected at fixed intervals with the narrow band indicated by the cell as a starting position. In this way, the indication scheme designed in this application can be implemented by multiplexing existing cells.

In a possible design, the second indication is a narrowband cell Msg3 / 4MPDCCH narrowband index indicating a PDCCH scheduling Msg4. In this way, the indication scheme designed in this application can be implemented by multiplexing existing cells.

In a possible design, the channel measurement includes measurement of one or more of the following: reference signal received power RSRP, reference signal received quality RSRQ, signal-to-interference and noise ratio SINR, or channel quality indicator CQI.

In a possible design, the user identifier may be an S-TMSI, a resume identifier Resume ID, or a truncated resume identifier truncated resume ID.

In a second aspect, a measurement configuration method is provided. The method may be performed by a network device. The method is specifically implemented by the following steps: sending system information to a terminal, where the system information carries a first instruction, and the first instruction is To indicate multiple narrowbands; a measurement result reported by a receiving terminal for performing channel measurement on part or all of the multiple narrowbands. In this way, it can ensure that the terminal has sufficient measurement time to perform channel measurement on part or all of multiple narrowbands, which helps to ensure the timeliness of channel measurement. Network devices can schedule downlink data for multiple terminals on multiple narrowbands. It will not cause overload on only one narrowband, and the network device can refer to the terminal to measure the reported narrowband channel conditions, better schedule downlink data, and improve the flexibility of scheduling downlink transmissions.

In a possible design, after sending the system information, a random access preamble can also be received from the terminal; a random access response is sent to the terminal, and the random access response carries a second instruction, the second instruction It is used to indicate a target narrowband among the plurality of narrowbands. This can make the scheduling of network equipment more flexible.

In a possible design, the measurement result reported by the receiving terminal for channel measurement on the target narrowband is reported.

According to a third aspect, a measurement configuration device is provided. The device is applied to a terminal or the device is a terminal. The device has a function of realizing any one of the first aspect and the possible design method in the first aspect, and includes: Means corresponding to the steps or functions described in the above aspect. The steps or functions may be implemented by software, or by hardware (such as a circuit), or by a combination of hardware and software.

In a possible design, the above device includes one or more processors and a communication unit. The one or more processors are configured to support the measurement configuration device to perform the functions in the above method. For example, according to the first instruction, channel measurement is performed on some or all of the multiple narrow bands. The communication unit is configured to support the measurement configuration device to communicate with other devices to implement a receiving and / or transmitting function. For example, receiving system information from a network device.

Optionally, the device may further include one or more memories, and the memory is configured to be coupled to the processor, and stores the program instructions and / or data necessary for the device. The one or more memories may be integrated with the processor, or may be separately provided from the processor. This application is not limited.

The communication unit may be a transceiver, or a transceiver circuit. Optionally, the transceiver may be an input / output circuit or an interface.

The device may also be a communication chip. The communication unit may be an input / output circuit or an interface of a communication chip.

In another possible design, the measurement configuration device includes a transceiver, a processor, and a memory. The processor is used to control a transceiver or an input / output circuit to send and receive signals, the memory is used to store a computer program, and the processor is used to run the computer program in the memory, so that the device executes any one of the first aspect or the first aspect Possible design methods.

According to a fourth aspect, a measurement configuration device is provided. The device is applied to a network device or the device is a network device. The device has a function of implementing the second aspect and the method in any of the possible designs in the second aspect. It includes means for performing the steps or functions described in the above aspects. The steps or functions may be implemented by software, or by hardware (such as a circuit), or by a combination of hardware and software.

In a possible design, the above device includes one or more processors and a communication unit. The one or more processors are configured to support the measurement configuration device to perform the functions in the above method. For example, a first instruction is carried in the system information, and the scheduling communication unit receives / transmits a signal or information or data. The communication unit is configured to support the measurement configuration device to communicate with other devices to implement a receiving and / or transmitting function. For example, system information is sent to a terminal; for another example, a measurement result reported by a terminal that performs channel measurement on some or all of the multiple narrow bands is received.

Optionally, the device may further include one or more memories, and the memory is configured to be coupled to the processor, and stores the program instructions and / or data necessary for the device. The one or more memories may be integrated with the processor, or may be separately provided from the processor. This application is not limited.

The communication unit may be a transceiver, or a transceiver circuit. Optionally, the transceiver may be an input / output circuit or an interface.

The device may also be a communication chip. The communication unit may be an input / output circuit or an interface of a communication chip.

In another possible design, the measurement configuration device includes a transceiver, a processor, and a memory. The processor is used to control a transceiver or an input / output circuit to send and receive signals, the memory is used to store a computer program, and the processor is used to run the computer program in the memory, so that the device executes any one of the first aspect or the first aspect Possible design methods.

In a fifth aspect, a system is provided that includes the measurement configuration device provided in the third and fourth aspects described above.

According to a sixth aspect, a computer-readable storage medium is provided for storing a computer program, the computer program including instructions for executing the first aspect or any one of the possible designs in the first aspect.

According to a seventh aspect, a computer program product is provided. The computer program product includes computer program code that, when the computer program code runs on a computer, causes the computer to execute any one of the first aspect or the first aspect. Possible design methods.

According to an eighth aspect, a computer-readable storage medium is provided for storing a computer program, the computer program including instructions for executing the second aspect or any one of the possible designs in the second aspect.

According to a ninth aspect, a computer program product is provided. The computer program product includes computer program code that, when the computer program code runs on a computer, causes the computer to execute any one of the second aspect or the second aspect. Possible design methods.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic diagram of a communication system architecture in an embodiment of the present application; FIG.

FIG. 2 is a schematic diagram of system bandwidth division in the embodiment of the present application; FIG.

3 is a schematic diagram of a measurement configuration method according to an embodiment of the present application;

FIG. 4 is one of the structural schematic diagrams of the measurement configuration device in the embodiment of the present application; FIG.

FIG. 5 is a second schematic structural diagram of a measurement configuration device according to an embodiment of the present application.

detailed description

The embodiments of the present application provide a measurement configuration method and device. The method and device are based on the same inventive concept. Since the method and the device solve the problem of similar principles, the implementation of the device and the method can be referred to each other, and repeated descriptions will not be repeated. In the description of the embodiments of the present application, "and / or" describes the association relationship of the associated objects, and indicates that there can be three kinds of relationships. For example, A and / or B can mean: A exists alone, A and B exist simultaneously, and There are three cases of B. The character "/" generally indicates that the related objects are an "or" relationship. At least one involved in this application means one or more; multiple means two or more. In addition, it should be understood that in the description of this application, the words "first" and "second" are used only for the purpose of distinguishing descriptions, and cannot be understood as indicating or implying relative importance, nor as indicating Or imply order.

The communication method provided in the embodiment of the present application can be applied to a 4th generation (4G) communication system, a 5th generation (5G) communication system, or various future communication systems. Specifically, it can be applied to the communication scenario of MTC, the communication scenario of NB-IoT, and the transmission scenario of any downlink small data packet.

The embodiments of the present application will be described in detail below with reference to the drawings.

FIG. 1 shows the architecture of a possible communication system to which the communication method according to the embodiment of the present application is applicable. Referring to FIG. 1, the communication system 100 includes a network device 101 and one or more terminals 102. When the communication system 100 includes a core network, the network device 101 may also be connected to the core network. The network device 101 may communicate with the IP network 103 through the core network. For example, the IP network 103 may be: the Internet, a private IP network, or other data networks. The network device 101 provides services to the terminals 102 in the coverage area. For example, referring to FIG. 2, the network device 101 provides wireless access for one or more terminals 102 within the coverage area of the network device 101. The communication system 100 may include a plurality of network devices, and for example, may further include a network device 101 '. There may be overlapping areas of coverage between network devices, for example, there may be overlapping areas of coverage between network device 101 and network device 101 '. The network devices can also communicate with each other. For example, the network device 101 can communicate with the network device 101 '.

The network device 101 is a node in a radio access network (RAN), and may also be referred to as a base station and may also be referred to as a RAN node (or device). At present, some examples of network equipment 101 are: gNB / NR-NB, transmission reception point (TRP), evolved Node B (eNB), radio network controller (RNC) , Node B (Node B, NB), base station controller (BSC), base transceiver station (BTS), home base station (e.g., home NodeB, or home Node B, HNB), baseband A unit (BBU), or a wireless fidelity (Wifi) access point (AP), a 5G communication system, or a network-side device in a possible future communication system.

Terminal 102, also known as user equipment (UE), mobile station (MS), mobile terminal (MT), etc., is a device that provides voice or data connectivity to users. It can be an IoT device. For example, the terminal 102 includes a handheld device, a vehicle-mounted device, and the like having a wireless connection function. At present, the terminal 102 may be: a mobile phone, a tablet computer, a notebook computer, a handheld computer, a mobile Internet device (MID), a wearable device (such as a smart watch, a smart bracelet, a pedometer, etc.) , Vehicle equipment (for example, cars, bicycles, electric vehicles, airplanes, ships, trains, high-speed rail, etc.), virtual reality (VR) equipment, augmented reality (AR) equipment, industrial control (industrial control) Wireless terminals, smart home equipment (for example, refrigerators, televisions, air conditioners, electricity meters, etc.), smart robots, workshop equipment, wireless terminals in self driving, wireless terminals in remote medical surgery, Wireless terminals in smart grids, wireless terminals in transportation safety, wireless terminals in smart cities, or wireless terminals in smart homes, flight equipment (e.g., Smart robots, hot air balloons, drones, airplanes), etc.

As shown in Figure 2, the system bandwidth refers to the frequency range occupied by the modulation carrier. In a long term evolution (LTE) system, the system bandwidth can include 6 different bandwidths according to the frequency range occupied by the carrier, including: 1.4MHz, 3MHz, 5MHz, 10MHz, 15MHz, 20MHz. In eMTC, the system bandwidth can be divided into multiple narrow bands. A narrow band includes multiple consecutive physical resource blocks (PRBs). The PRBs contained in any two different narrow bands do not overlap. The narrow band included in the system bandwidth can be identified by a sequence number or an index value. As shown in FIG. 2, a narrowband includes 6 PRBs. Taking a system bandwidth of 20MHz as an example, the system bandwidth includes 16 narrowbands, and the serial numbers of the 16 narrowbands are 0 to 15.

In the NB-IoT system, the full-frequency bandwidth is equivalent to the system bandwidth in the LTE system. The full-frequency bandwidth is 180kHz, which is 1PRB. NB-IoT supports multiple carriers, and the bandwidth on each carrier is 180kHz, which is 1PRB. 1 carrier can also be called a narrow band. In the embodiments of the present application, the description of the narrowband is applicable to both eMTC and NB-IoT. The narrowband in NB-IoT is 1PRB, and the narrowband in eMTC is 6PRB.

Based on the above description and the system architecture shown in FIG. 1, as shown in FIG. 3, the measurement configuration method provided by the embodiment of the present application is described in detail below.

S301. The network device sends system information (SI) to the terminal, and the terminal receives SI from the network device.

The SI carries an indication, which is recorded as a first indication, and the first indication is used to indicate multiple narrow bands. The plurality of narrow bands may be continuous or discontinuous narrow bands in a system bandwidth.

In the present application, for eMTC, the first indication may indicate a serial number of a narrowband, and for NB-IoT, the first indication may indicate a narrowband carrier.

The first indication indicates that there may be multiple forms of multiple narrow bands, which are exemplified by Form 1 and Form 2 below.

In the first form, the multiple narrowbands indicated by the first instruction are included in multiple narrowband groups. Each narrowband group in the multiple narrowband groups includes one or more narrowbands. All the narrowbands in the multiple narrowband groups constitute the Multiple narrow bands. The number of narrow bands contained in different narrow band groups may be the same or different. The number of the narrowband included in a narrowband group may be continuous or discontinuous.

The first indication is used to indicate multiple narrowband groups. Specifically, the first indication indicates the narrowbands contained in each narrowband group, and can indicate the serial numbers of all narrowbands contained in each narrowband group, or the Narrowband start position and number of narrowbands. Multiple narrowband groups can be represented by a narrowband list. The first indication indicates multiple narrowband lists. One narrowband list is a narrowband group. The narrowband list includes all narrowbands in the narrowband group. Optionally, the network device may display an index indicating each narrowband group. One narrowband group may be identified by an index. The first indication may indicate multiple indexes of the multiple narrowband groups. The index of each narrowband group may also be implicitly indicated. By default, the index is confirmed according to the order of the narrowband groups indicated by the first instruction. For example, if the first indication indicates M narrowband groups, the indexes of the M narrowband groups are 0 to M-1 by default, or 1 to M.

In practical applications, all the narrowbands included in the entire system bandwidth can be divided into the multiple narrowband groups, and of course, the narrowbands included in a part of the system bandwidth can also be divided into the multiple narrowband groups. For example, if the cell downlink system bandwidth is 20 MHz, a total of 100 PRBs and 16 narrow bands, the serial numbers of the 16 narrow bands are 0 to 15, and the 16 narrow bands of the system bandwidth are divided into 4 narrow band groups. The number of narrowbands included in different narrowband groups in the four narrowband groups may be the same or different, and the number of narrowbands included in each narrowband group may be continuous or discontinuous. For example, the 16 narrowbands with serial numbers 0 to 15 are divided into 4 groups, and each narrowband group includes consecutive narrowband serial numbers, that is, the 4 narrowband groups are {0, 1, 2, 3}, {4, 5, 6, 7}, {8, 9, 10, 11}, {12, 13, 14, 15}. For another example, the 16 narrowbands with serial numbers 0 to 15 are divided into 4 narrowband groups. The number of narrowbands included in each narrowband group is different. The number of narrowbands included in each narrowband group is discontinuous. The 4 narrowband groups can be {0, 2 , 3}, {1, 8, 9, 12, 15}, {4, 5, 6, 7}, {10, 11, 13, 14}. For the above two examples, the first indication may indicate the four narrowband groups by indicating the serial numbers of the narrowbands in the four narrowband groups, and the serial numbers of the narrowbands are as shown in the above examples. The first indication may indicate the four narrowband groups by displaying the index numbers indicating the four narrowband groups. For example, the index numbers of the narrowband groups are 0, 1, 2, and 3, which are respectively used to identify the four narrowband groups. The corresponding order can be Not limited. You can also implicitly indicate (that is, do not indicate) the indexes of the four narrowband groups. If the four narrowband groups are {0, 2, 3}, {1, 8, 9, 12, 15}, {4, 5, 6, 7}, {10, 11, 13, 14}, the narrowband group {0, 2, 3} corresponds to the index number 0, and the narrowband group {1, 8, 9, 12, 15} corresponds to the index number 1, the narrowband group { 4, 5, 6, 7} corresponds to the index number 2, and the narrowband group {10, 11, 13, 14} corresponds to the index number 3.

The above design can be represented by the following code:

NarrowbandGroupList :: = SEQUENCE (SIZE (1..maxNarrowbandGroup)) OF NarrowbandGroup

NarrowbandGroup :: = SEQUENCE (SIZE (1..maxNarrowbandPerGroup)) OFINTGER (0 .. (maxAvailNarrowBands-1))

NarrowbandGroupList is a narrowband group list, which contains a maximum of maxNarrowbandGroup narrowband groups NarrowbandGroup, and each narrowband group NarrowbandGroup contains a maximum of maxNarrowbandPerGroup narrowbands, where the narrowband index is 0 to maxAvailNarrowband-1.

In the second form, the first indication is used to indicate multiple narrow bands. The serial numbers of the multiple narrow bands may be continuous or discontinuous. For example, the plurality of narrow bands indicated by the first indication are {4, 5, 6, 7}.

The above design can be represented by the following code:

NarrowbandGroup :: = SEQUENCE (SIZE (1..maxNarrowbandPerGroup)) OFINTGER (0 .. (maxAvailNarrowBands-1))

The serial numbers of multiple narrowbands indicated by the first indication may be considered to be included in a narrowband group NarrowbandGroup, which contains a maximum of maxNarrowbandPerGroup narrowbands, where the narrowband index is 0 to maxAvailNarrowband-1.

S302. The terminal performs channel measurement on part or all of the multiple narrow bands according to the first instruction.

Wherein, this application does not limit the specific content of the channel measurement. The optional channel measurement includes measurement of any one or more of the following narrowband: reference signal received power (reference signal received power (RSRP), reference signal Reception quality (reference received quality, RSRQ), signal to interference and noise ratio (SINR), or channel quality indicator (CQI).

In a first possible implementation manner, if the first indication indicates multiple narrowbands through the above form 1, the multiple narrowbands indicated by the first indication are included in multiple narrowband groups, and the number of narrowbands of the multiple narrowbands is represented by N, The number of groups of multiple narrowband groups is represented by M, that is, the N narrowbands indicated by the first indication are included in the M narrowband groups, and the terminal performs channel measurement on the L narrowbands of the N narrowbands, where L is less than or equal to N , L, N, M are all integers greater than or equal to 1. A specific implementation manner is that the terminal selects one narrowband group from the M narrowband groups. Optionally, the terminal may determine the target according to its own user identifier (UE-ID) and the number M of the M narrowband groups. The index of the narrowband group. For example, the terminal performs a modulo operation on the number of groups of the multiple narrowband groups to obtain an index of the target narrowband group, determines the target narrowband group according to the index of the target narrowband group, and performs channel measurement on the narrowbands in the target narrowband group. The target narrowband group refers to the narrowband group to be measured selected by the terminal from multiple narrowbands. For example, if the user ID is K, the number of multiple narrowband groups is M, and the narrowband groups are sequentially numbered from 0 to M-1, then the result of the user ID modulating the number of narrowband groups is K = mod M = P , Where P is a number in (0..M-1), that is, the target narrowband group is the narrowband group with the index number P. The terminal performs channel measurement on the narrowband in the narrowband group with the index number P. The user identification involved in this embodiment of the present application may be any of the following: a system architecture evolution temporary mobile device identifier (SAE), a SAE is a system architecture evolution (System Architecture Evolution), and a recovery identifier Resume ID ; Truncated recovery ID truncated resume ID.

In a second possible implementation manner, if the first indication indicates multiple narrowbands by using the foregoing form two, the terminal performs channel measurement on all narrowbands of the multiple narrowbands.

In a third possible implementation manner, regardless of whether the first indication indicates multiple narrowbands through the above-mentioned form one or two, if the terminal can obtain the number of narrowbands of the plurality of narrowbands, the terminal may according to the user identifier and the plurality of narrowbands To determine the target narrowband among multiple narrowbands. For the purpose of distinction, the target narrowband here is recorded as the second target narrowband. The second target narrowband refers to the narrowband that the terminal needs to perform channel measurement and report the measurement result. Specifically, the terminal performs a modulus operation on the number of narrowbands of the multiple narrowbands to obtain a second target narrowband. For example, the number of narrowbands of multiple narrowbands is represented by N, where N is an integer greater than 0, the number or index of N narrowbands is {0,1, ..., N-1}, and the user ID is K. The result of the modulo is K = mod M = Q, where Q is a number in {0,1, ..., N-1}. The second target narrowband is a narrowband numbered or indexed by Q. Of course, the number or index of N narrowbands can also start from 1, that is, {1,2, ..., N}.

Optionally, after performing S302, the subsequent random access steps may also be performed, including S303 to S305.

S303. The terminal sends a random access preamble to the network device, and the network device receives the random access preamble from the terminal.

S304. The network device sends a random access response to the terminal, and the terminal receives the random access response from the network device.

Optionally, the random access response may carry an indication, which is recorded as a second indication, and the second indication is used to indicate a target narrowband among the multiple narrowbands indicated by the foregoing first indication, and is recorded herein as a first target narrowband. The first target narrowband is a narrowband that needs to report a measurement result to a network device among the multiple narrowbands measured by the terminal.

S305. In response to the random access response, the terminal sends a message 3 (Msg3) to the network device, and the network device receives the message 3 from the terminal.

In an optional manner, the terminal reports the measurement result of the channel measurement on the first target narrowband to the network device according to the second instruction carried in the random access response in S304; in another optional manner, the terminal The second target narrowband determined in the three possible implementation manners reports the measurement result of performing channel measurement on the second target narrowband to the network device. The first target narrowband and the second target narrowband may be the same or different.

Message 3 carries the measurement result of performing channel measurement on the first target narrowband, or message 3 carries the measurement result of performing channel measurement on the second target narrowband.

Specifically, the second instruction indicates the target narrowband by indicating a serial number of the target narrowband or an index of the target narrowband in the narrowband group. The target narrowband sequence number is a sequence number that distinguishes all narrowbands in the system bandwidth. The index of the target narrowband in the narrowband group is an index that distinguishes the target narrowband from the remaining narrowbands in the narrowband group.

If the first indication indicates multiple narrowbands through the above-mentioned form two, the second indication may indicate a target narrowband serial number or an index of the target narrowband among the multiple narrowbands. For example, the first indication indicates that the sequence numbers of the N narrowbands are {a ₀ , a ₁ , ..., a _N-1 }, and the second indication may indicate the sequence numbers of the target narrowband. For example, the indication a ₃ indicates that the network equipment instructs the terminal equipment to report The measurement result of the measurement on the narrowband with the narrowband serial number a ₃ ; or, the second indication may indicate the index of the target narrowband among the multiple narrowbands, that is, implicitly determining the N narrowbands indicated by the first indication in turn are indexed as {0,1,…, N-1} or {1,2,…, N}, for example, the second indication 2 indicates that the network device instructs the terminal device to report the measurement performed on the narrowband with the narrowband sequence number a ₂ result.

If the first indication indicates multiple narrowbands through the above-mentioned form 1, the multiple narrowbands indicated by the first indication are included in multiple narrowband groups, and the terminal selects a target narrowband group according to the user identifier, and performs a search on all narrowbands in the target narrowband group. A channel measurement is made, and the second indication indicates the target narrowband in the target narrowband group. The second indication may indicate a serial number of the target narrowband, or an index of the target narrowband in the target narrowband group. The terminal reports the measurement result of performing measurement on the target narrowband according to the second instruction.

The network device may select the target narrowband according to the load of each narrowband in the narrowband group, and notify the terminal to report the measurement result through the second instruction notification.

Possible expressions of the first instruction and the second instruction in the foregoing embodiment are further described below.

The first indication is used to indicate multiple narrow bands. The first indication may be implemented by multiplexing one cell in system information. Specifically, the first indication is a narrowband cell indicating a physical downlink control channel (PDCCH) for scheduling a random access response, and the cell is mpdcch-NarrowbandsToMonitor, which is used in the prior art to indicate that the terminal needs In which narrowband is the MPDCCH for scheduling RAR monitored, this cell is multiplexed as the first indication to indicate multiple narrowbands in this application. For example, the representation form of the cell in this application may be as follows: mpdcch-NarrowbandsToMonitor-r13 SEQUENCE (SIZE (1..2)) OFINTEGER (1..maxAvailNarrowBands-r13).

Optionally, the cell indicates a narrow band of multiple narrow bands, and the terminal determines the multiple narrow bands according to the narrow band indicated. For example, by using the cell to indicate the narrowband of the start position of multiple narrowbands, the terminal determines the continuous multiple narrowbands starting with the narrowband indicated by the cell, or the terminal determines that the narrowband indicated by the cell is Multiple narrow bands at the starting position, selected at regular intervals. For example, the downlink system bandwidth of a cell is 20MHz, with a total of 100 PRBs and 16 narrowbands. The 16 narrowbands have serial numbers from 0 to 15, and the number of multiple narrowbands is 4. The cell indicates the narrowband with serial number 0. The terminal determines the narrow band with the serial number {0, 1, 2, 3} as the multiple narrow bands, or if the fixed interval is 2, the terminal determines the narrow band with the serial number {0, 2, 4, 6} as the multiple narrow bands.

If the terminal determines that the sequence number reaches the end value of 15 when multiple narrowbands are determined, the calculation starts from the sequence number 0 at the beginning. When the terminal determines a plurality of consecutive narrowbands starting from the narrowband indicated by the cell, the serial numbers of the multiple narrowbands may be determined according to the following calculation method. mpdcch-NarrowbandsToMonitor is the start position of multiple narrowbands indicated by the cell. The four consecutive narrowband serial numbers determined by the terminal are:

mpdcch-NarrowbandsToMonitor,

(mpdcch-NarrowbandsToMonitor + 1) modN,

(mpdcch-NarrowbandsToMonitor + 2) mod N, and

(mpdcch-NarrowbandsToMonitor + 3) mod N.

N is the number of narrow bands included in the system bandwidth.

The second indication is used to indicate a target narrow band among a plurality of narrow bands. The random access response sent by the network device to the terminal includes UL Grant, and the second indication may be implemented by multiplexing one cell in the UL Grant. Specifically, it is implemented by narrowband cells in the UL Grant indicating that the MPDCCH of Msg4 is scheduled. This cell is an Msg3 / 4MPDCCH narrowband index. In the prior art, it is used to indicate on which narrowband the terminal is to monitor the MPDCCH that schedules Msg4 or Msg3 retransmissions. This cell is multiplexed as the second indicator of the target narrowband Instructions. This cell occupies 2 bits. In this application, these 2 bits can be used to indicate 4 narrowbands. For example, the indexes of the 4 narrowbands are {0, 1, 2, 3}. For 2 bits, you can use 00 to indicate the narrowband with serial number 0, 01 to indicate the narrowband with serial number 1, use 10 to indicate the narrowband with serial number 2, and 11 to indicate the narrowband with serial number 3. This method can indicate that the narrowband group includes 4 narrowbands. When the multiple narrowbands indicated by the first indication include more than 4 narrowbands, other methods can be used to indicate.

Through the above measurement configuration method, the network device notifies the terminal to measure the channel quality of multiple narrowbands through the system information, so that the network device can schedule downlink data for multiple terminals on multiple narrowbands without causing overload on only one narrowband. In addition, the network device can refer to the terminal to measure the reported narrow-band channel conditions, to better schedule downlink data, and improve the flexibility of scheduling downlink transmissions. The network device notifies the terminal of multiple narrow bands through system information. The terminal can perform channel measurement on some or all of the multiple narrow bands as soon as possible. The network device notifies the terminal of the narrow band that needs to report the measurement result through a random access response notification. The terminal is receiving When the random access response is received, according to the instructions of the network device, the measurement result of the target narrowband can be carried in Msg3. Because the terminal can perform channel measurement early when receiving the system information, it can ensure sufficient measurement time. The RAR is received at time N, and Msg3 is sent at time N + M, which avoids the problem that the measurement cannot be completed if the measurement time in the M period is insufficient if the measurement is performed after time N. Through the method of the present application, sufficient measurement time can be ensured, which helps to ensure the quality of the channel quality measurement result reported by the terminal.

Based on the same inventive concept, as shown in FIG. 4, an embodiment of the present application provides a measurement configuration device 400. The measurement configuration device 400 may be applicable to the communication system shown in FIG. Features. The measurement configuration device 400 may be applied to a terminal, or the measurement configuration device 400 is a terminal. For ease of explanation, FIG. 4 shows only the main components of the terminal. As shown in FIG. 4, the measurement configuration device 400 includes a processor, a memory, a control circuit, an antenna, and an input / output device. The processor is mainly used to process the communication protocol and communication data, and control the entire terminal, execute a software program, and process the data of the software program, for example, to support the terminal to perform the actions described in the foregoing method embodiments, for example, according to The first instruction is to perform channel measurement on part or all of the multiple narrow bands. The memory is mainly used for storing software programs and data, such as storing the first instruction and the channel measurement result described in the foregoing embodiment. The control circuit is mainly used for conversion of baseband signals and radio frequency signals and processing of radio frequency signals. The control circuit and the antenna together can also be called a transceiver, which is mainly used to send and receive radio frequency signals in the form of electromagnetic waves. Input / output devices, such as a touch screen, a display screen, and a keyboard, are mainly used to receive data input by the user and output data to the user.

When the terminal is powered on, the processor can read the software program in the storage unit, interpret and execute the instructions of the software program, and process the data of the software program. When the data needs to be sent wirelessly, the processor performs baseband processing on the data to be sent, and then outputs the baseband signal to the radio frequency circuit. After the radio frequency circuit processes the baseband signal, the radio frequency signal is sent out in the form of electromagnetic waves through the antenna. When data is sent to the terminal, the RF circuit receives the RF signal through the antenna, converts the RF signal into a baseband signal, and outputs the baseband signal to the processor. The processor converts the baseband signal into data and processes the data.

Those skilled in the art can understand that, for ease of description, FIG. 4 shows only one memory and one processor. In an actual terminal, there may be multiple processors and multiple memories. The memory may also be referred to as a storage medium or a storage device, which is not limited in the embodiments of the present application.

As an optional implementation manner, the processor may include a baseband processor and / or a central processor. The baseband processor is mainly used to process communication protocols and communication data, and the central processor is mainly used to control the entire terminal. Execute the software program and process the data of the software program. The processor in FIG. 4 may integrate the functions of the baseband processor and the central processing unit. Those skilled in the art can understand that the baseband processor and the central processing unit may also be independent processors, which are interconnected through technologies such as a bus. Those skilled in the art can understand that the terminal may include multiple baseband processors to adapt to different network standards, the terminal may include multiple central processors to enhance its processing capabilities, and various components of the terminal may be connected through various buses. The baseband processor may also be expressed as a baseband processing circuit or a baseband processing chip. The central processing unit may also be expressed as a central processing circuit or a central processing chip. The function of processing communication protocols and communication data may be built in the processor or stored in the storage unit in the form of a software program, and the processor executes the software program to implement the baseband processing function.

In the embodiment of the present application, the antenna and the control circuit having the transmitting and receiving function may be regarded as the transmitting and receiving unit 401 of the measurement configuration device 400, for example, for supporting the terminal to perform the receiving function and the transmitting function according to the foregoing method embodiment. A processor having a processing function is regarded as a processing unit 402 of the measurement configuration device 400. As shown in FIG. 4, the measurement configuration device 400 includes a transceiver unit 401 and a processing unit 402. The transceiver unit may also be referred to as a transceiver, a transceiver, a transceiver device, and the like. Optionally, the device used to implement the receiving function in the transceiver unit 401 can be regarded as a receiving unit, and the device used to implement the transmitting function in the transceiver unit 401 can be regarded as a transmitting unit, that is, the transceiver unit 401 includes a receiving unit and a transmitting unit. The receiving unit may also be called a receiver, an input port, a receiving circuit, etc., and the sending unit may be called a transmitter, a transmitter, or a transmitting circuit.

The processor 402 may be configured to execute instructions stored in the memory to control the transceiver unit 401 to receive signals and / or send signals to complete functions of the terminal in the foregoing method embodiments. As an implementation manner, the function of the transceiver unit 401 may be considered to be implemented by a transceiver circuit or a dedicated chip for transceiver.

FIG. 5 is a schematic structural diagram of a measurement configuration apparatus according to an embodiment of the present application. For example, it may be a structural schematic diagram of a network device (that is, a base station). As shown in FIG. 5, the network device can be applied to the system shown in FIG. 1 to execute the functions of the network device in the foregoing method embodiment. The measurement configuration device 500 (also referred to as a network device 500 or a base station 500) may include one or more radio frequency units, such as a remote radio unit (RRU) 501 and one or more baseband units (BBUs). ) (Also known as digital unit, DU) 502. The RRU 501 may be referred to as a transceiver unit, a transceiver, a transceiver circuit, or a transceiver, etc., and may include at least one antenna 5011 and a radio frequency unit 505. The RRU 501 part is mainly used for transmitting and receiving radio frequency signals and converting radio frequency signals to baseband signals, for example, for sending system information to a terminal or sending a random access response to a terminal. The BBU 502 part is mainly used for baseband processing and controlling base stations. The RRU 501 and the BBU 502 may be physically located together or physically separated, that is, a distributed base station.

The BBU 502 is a control center of a base station, and may also be referred to as a processing unit, which is mainly used to complete baseband processing functions, such as channel coding, multiplexing, modulation, spread spectrum, and so on. For example, the BBU (Processing Unit) 502 may be used to control the base station to execute the operation procedure related to the first network device in the foregoing method embodiment.

In one example, the BBU 502 may be composed of one or more boards, and multiple boards may jointly support a single wireless access network (such as an LTE network) with a single access indication, or may separately support different access systems. Wireless access network (such as LTE network, 5G network or other networks). The BBU 502 further includes a memory 5021 and a processor 5022. The memory 5021 is configured to store necessary instructions and data. For example, the memory 5021 stores the correspondence between the codebook index and the precoding matrix in the foregoing embodiment. The processor 5022 is configured to control the base station to perform necessary actions, for example, to control the base station to execute the operation flow about the first network device in the foregoing method embodiment. The memory 5021 and the processor 5022 may serve one or more single boards. That is, the memory and processor can be set separately on each board. It is also possible that multiple boards share the same memory and processor. In addition, the necessary circuits can be set on each board.

The present application also provides a communication system including one or more of the aforementioned network devices, and one or more terminals.

It should be noted that the processor in the embodiment of the present application may be an integrated circuit chip and has a signal processing capability. In the implementation process, each step of the foregoing method embodiment may be completed by using an integrated logic circuit of hardware in a processor or an instruction in a form of software. The above processor may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (FPGA), or other programmable Programming logic devices, discrete gate or transistor logic devices, discrete hardware components. Various methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed. A general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in combination with the embodiments of the present application may be directly implemented by a hardware decoding processor, or may be performed by using a combination of hardware and software modules in the decoding processor. The software module may be located in a mature storage medium such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory, or an electrically erasable programmable memory, a register, and the like. The storage medium is located in a memory, and the processor reads the information in the memory and completes the steps of the foregoing method in combination with its hardware.

It can be understood that the memory in the embodiment of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory. Among them, the non-volatile memory may be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (erasable PROM, EPROM), electrical memory Erase programmable read-only memory (EPROM, EEPROM) or flash memory. The volatile memory may be a random access memory (RAM), which is used as an external cache. By way of example, but not limitation, many forms of RAM are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection dynamic random access memory (synchlink DRAM, SLDRAM ) And direct memory bus random access memory (direct RAMbus RAM, DR RAM). It should be noted that the memory of the systems and methods described herein is intended to include, but is not limited to, these and any other suitable types of memory.

An embodiment of the present application further provides a computer-readable medium having a computer program stored thereon. When the computer program is executed by a computer, the method described in any one of the foregoing method embodiments is implemented.

The embodiment of the present application further provides a computer program product, and when the computer program product is executed by a computer, the method described in any one of the method embodiments is implemented.

In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, it may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer instructions are loaded and executed on a computer, the processes or functions according to the embodiments of the present application are generated in whole or in part. The computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be from a website site, computer, server, or data center Transmission to another website site, computer, server or data center via wired (such as coaxial cable, optical fiber, Digital Subscriber Line (DSL)) or wireless (such as infrared, wireless, microwave, etc.). The computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, a data center, and the like that includes one or more available medium integration. The available medium may be a magnetic medium (for example, a floppy disk, a hard disk, a magnetic tape), an optical medium (for example, a high density digital video disc (DVD)), or a semiconductor medium (for example, a solid state disk (Solid State Disk, SSD)) and so on.

An embodiment of the present application further provides a processing apparatus including a processor and an interface; the processor is configured to execute the method according to any one of the foregoing method embodiments.

It should be understood that the processing device may be a chip, and the processor may be implemented by hardware or software. When implemented by hardware, the processor may be a logic circuit, an integrated circuit, etc .; when implemented by software At this time, the processor may be a general-purpose processor, which is implemented by reading software codes stored in a memory, and the memory may be integrated in the processor, may be located outside the processor, and exist independently.

Those skilled in the art should understand that the embodiments of the present application may be provided as a method, a system, or a computer program product. Therefore, this application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Moreover, this application may take the form of a computer program product implemented on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

This application is described with reference to flowcharts and / or block diagrams of methods, devices (systems), and computer program products according to embodiments of the present application. It should be understood that each process and / or block in the flowcharts and / or block diagrams, and combinations of processes and / or blocks in the flowcharts and / or block diagrams can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general-purpose computer, special-purpose computer, embedded processor, or other programmable data processing device to produce a machine, so that the instructions generated by the processor of the computer or other programmable data processing device are used to generate instructions Means for implementing the functions specified in one or more flowcharts and / or one or more blocks of the block diagrams.

These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to work in a particular manner such that the instructions stored in the computer-readable memory produce a manufactured article including an instruction device, the instructions The device implements the functions specified in one or more flowcharts and / or one or more blocks of the block diagram.

These computer program instructions can also be loaded on a computer or other programmable data processing device, so that a series of steps can be performed on the computer or other programmable device to produce a computer-implemented process, which can be executed on the computer or other programmable device. The instructions provide steps for implementing the functions specified in one or more flowcharts and / or one or more blocks of the block diagrams.

Although the preferred embodiments of the present application have been described, those skilled in the art can make other changes and modifications to these embodiments once they know the basic inventive concepts. Therefore, the following claims are intended to be construed to include the preferred embodiments and all changes and modifications that fall within the scope of this application.

Obviously, those skilled in the art can make various modifications and variations to the embodiments of the present application without departing from the spirit and scope of the embodiments of the present application. In this way, if these modifications and variations of the embodiments of the present application fall within the scope of the claims of the present application and their equivalent technologies, the present application also intends to include these changes and variations.

Claims (17)

A measurement configuration method, comprising: Receiving system information from a network device, the system information carrying a first indication, the first indication being used to indicate multiple narrowbands; According to the first instruction, channel measurement is performed on a part or all of the multiple narrow bands. The method of claim 1, further comprising: Sending a random access preamble to the network device; Receiving a random access response from the network device, the random access response carrying a second indication, the second indication used to indicate a first target narrowband of the plurality of narrowbands; In response to the random access response, a message 3 is sent to the network device, and the message 3 carries a measurement result of performing channel measurement on the first target narrowband. The method according to claim 1 or 2, wherein the first indication is used to indicate multiple narrowband groups, and the multiple narrowbands are included in the multiple narrowband groups. Each narrowband group contains one or more narrowbands; The performing channel measurement on the multiple narrowband portions includes: Determining an index of a target narrowband group according to a user identifier and the number of the multiple narrowband groups; Channel measurement is performed on the narrowband in the target narrowband group. The method according to claim 3, wherein determining the index of the target narrowband group according to the user identifier and the number of the multiple narrowband groups comprises: Modulo the number of groups of the plurality of narrowband groups by the user identifier to obtain an index of the target narrowband group. The method according to claim 1, wherein performing channel measurement on the plurality of narrowband portions comprises: Determining a second target narrowband according to the user identification and the narrowband number of the multiple narrowbands; Performing channel measurement on the second target narrowband. The method according to claim 5, wherein the determining the second target narrowband according to the user identifier and the narrowband number of the multiple narrowbands comprises: Performing a modulo operation on the number of narrowbands of the plurality of narrowbands by the user identifier to obtain an index of a second target narrowband. The method according to claim 5 or 6, further comprising: Sending a random access preamble to the network device; Receiving a random access response from the network device; In response to the random access response, a message 3 is sent to the network device, and the message 3 carries a measurement result of performing channel measurement on the second target narrowband. The method according to any one of claims 1 to 7, wherein the channel measurement includes measurement of one or more of the following: Reference signal received power RSRP, reference signal received quality RSRQ, signal-to-interference and noise ratio SINR, or channel quality indicator CQI. The method according to any one of claims 1 to 8, wherein the user identifier is an S-TMSI, a recovery identifier Resume ID, or a truncated recovery identifier truncated resume ID. A measurement configuration method, comprising: Sending system information to the terminal, where the system information carries a first indication, and the first indication is used to indicate multiple narrowbands; A measurement result reported by a receiving terminal that performs channel measurement on some or all of the multiple narrow bands. The method of claim 10, further comprising: Receiving a random access preamble from a terminal; And sending a random access response to the terminal, where the random access response carries a second indication, and the second indication is used to indicate a target narrowband among the multiple narrowbands. The method according to claim 11, wherein the measurement result reported by the receiving terminal for performing channel measurement on some or all of the plurality of narrowbands comprises: And a measurement result reported by the receiving terminal for performing channel measurement on the target narrowband. A measurement configuration device, comprising: The processor is configured to be coupled with the memory, call a program in the memory, and execute the program to implement the method according to any one of claims 1-9. A channel measurement device, comprising: The processor is configured to be coupled with the memory, call a program in the memory, and execute the program to implement the method according to any one of claims 10-12. A computer-readable storage medium, characterized in that computer-readable instructions are stored in the computer storage medium, and when the computer reads and executes the computer-readable instructions, the computer executes any one of claims 1-12 Item. A computer program product, wherein when a computer reads and executes the computer program product, the computer is caused to execute the method according to any one of claims 1-12. A chip, wherein the chip is connected to a memory or the chip includes the memory, and is used to read and execute a software program stored in the memory to implement The method described.

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