WO2019148488A1 - Method and apparatus in user equipment and base station used for wireless communication - Google Patents

Abstract

Disclosed by the present application is a method and apparatus in user equipment and base station used for wireless communication. The user equipment receives a first signaling in a first time-frequency resource set, wherein the first signaling is used to determine a number K1 of multi-carrier symbols and a second time-frequency resource set; K1 first-type reference signals are then respectively received in the K1 multi-carrier symbols; and a first wireless signal is transmitted in the second time-frequency resource set. The first signaling is a physical layer signaling, and the receiving of the K1 first-type reference signals is used to determine a first antenna port group for transmitting the first wireless signal; and the transmission of the first wireless signal is triggered by the user equipment. According to the application, the first signaling is designed, and the base station dynamically configures resources for unlicensed uplink transmission, and dynamically configures, for the uplink transmission, reference signals for channel measurement, thereby improving uplink transmission efficiency and spectrum utilization.

Description

User equipment, method and device in base station used for wireless communication Technical field

The present application relates to a transmission method and apparatus in a wireless communication system, and more particularly to a method and apparatus for Grant-Free uplink transmission.

Background technique

In the traditional 3GPP (3rd Generation Partner Project) LTE (Long-term Evolution) system, the uplink transmission on the terminal side is often based on Grant of the base station, and 5G NR (New Radio Access) Technology, new radio access technology) In Phase 1, the terminal can perform Grant-Free uplink transmission in the air interface resources pre-configured by the base station to reduce the overhead of air interface signaling and improve the spectrum efficiency of the system. .

In the future 5G NR Phase 2 and subsequent evolution versions, one base station will support a larger number of application scenarios than the number of existing system terminals. When the number of terminals is large, the uplink transmissions that are not granted will further demonstrate the advantages of small air interface signaling overhead and high spectrum efficiency. At the same time, in view of the adoption of multi-antenna systems with high carrier frequency and Massive MIMO (Multi-Input Multi-Output), the existing grant mode in Phase 1 needs to be enhanced. .

Summary of the invention

In the existing Phase 1 version, the uplink transmission is granted. The base station allocates an air interface resource pool to the user equipment for granting the transmission-free transmission. The user equipment then sends the uplink data in the allocated air interface resource pool. The resource configuration in the above version does not take into account the impact of the spatial characteristics between the user equipment and the base station. When considering the spatial characteristics, especially the directional characteristics of the analog beam, a simple solution is that when the air interface resource is configured, the base station first obtains the spatial characteristics of the user who is granted the uplink transmission by periodically configuring the reference signal; However, for the grant-free transmission, especially when the number of terminals is large and the terminal does not always need to perform uplink transmission, the smart meter reading and the like in the analog networking may occupy excessive air interface resources and signaling overhead. The performance gain brought by the grant of the uplink transmission is greatly reduced.

In response to the above problems, the present application discloses a solution. In the case of no conflict, the features in the embodiments and embodiments in the user equipment of the present application can be applied to the base station and vice versa. The features of the embodiments and the embodiments of the present application may be combined with each other arbitrarily without conflict.

The present application discloses a method for use in a user equipment for wireless communication, comprising:

Receiving first signaling in a first time-frequency resource set, where the first signaling is used to determine K1 multi-carrier symbols and a second time-frequency resource set, where K1 is a positive integer;

K1 first type reference signals are respectively received in the K1 multicarrier symbols;

Transmitting, in the second time-frequency resource set, a first wireless signal;

The first signaling is physical layer signaling, and the receiving, for the K1 first type reference signals, is used to determine a first antenna port group for transmitting the first wireless signal, the first The antenna port group includes a positive integer number of antenna ports; the transmission of the first wireless signal is triggered by the user equipment.

As an embodiment, the foregoing method has the following advantages: the base station dynamically uses the first time-frequency resource set for the uplink grant-free transmission, and uses the user equipment to obtain the spatial characteristic used by the first wireless signal. The reference signals of the parameters are also configured together, so that the user equipment selects the correct antenna port group to send uplink data.

As an embodiment, another advantage of the foregoing method is that the K1 first type reference signal and the second time frequency resource set are triggered by dynamic signaling, and the foregoing manner is more efficient, and The timeliness of the channel measurement referenced by the transmission of the first wireless signal is ensured, and the problem that the measurement is inefficient and inaccurate due to the slow transmission frequency of the user equipment in the Internet of Things is avoided.

According to an aspect of the present application, the above method is characterized in that said K1 is greater than 1, and K1 reception parameter sets are respectively applied to reception of said K1 first type reference signals, said first antenna port group being associated to And a first receiving parameter group, where the first receiving parameter group is one of the K1 receiving parameter groups.

As an embodiment, the foregoing method is characterized in that: the K1 first type reference signals are implemented by means of Sweeping on the base station side, and the user equipment respectively performs the first to the K1 by the K1 receiving parameter groups. Receiving, by the class reference signal, the first set of receiving parameters having the best performance among the K1 receiving parameter groups, and determining the first antenna port group by using the first receiving parameter group, thereby ensuring the The reception quality of a wireless signal on the base station side.

As an embodiment, the foregoing method has the following advantages: the user equipment trains the adopted transmit beam to obtain the best transmission performance before transmitting the first wireless signal, and the base station side does not need an additional pair for the first The reception of the wireless signal adjusts the characteristics of the receiving beam at the base station side, that is, guarantees the performance of the uplink transmission without being affected, and does not affect other uplink transmissions.

According to an aspect of the present application, the above method is characterized by comprising:

Receiving the first information;

Monitoring the first signaling in a first time-frequency resource pool;

The first information is used to indicate the first time-frequency resource pool, and the first time-frequency resource set belongs to the first time-frequency resource pool.

As an embodiment, the foregoing method has the following advantages: the first time-frequency resource pool is pre-configured, and the user equipment only monitors the first message in time-frequency resources occupied by the first time-frequency resource pool. This reduces the complexity and power consumption of the user equipment.

According to an aspect of the present application, the above method is characterized by comprising:

Transmitting a second wireless signal in the first candidate time-frequency resource set;

Monitoring the second signaling in the second candidate time-frequency resource set;

The second signaling is used to indicate whether the second wireless signal is correctly received, and the first bit block is used to generate the first wireless signal and the second wireless signal; the second wireless The sending of the signal is exempt from granting; one of the following is used to trigger the sending of the first wireless signal in the second set of time-frequency resources:

The user equipment does not detect the second signaling in the second candidate time-frequency resource set;

The second signaling indicates that the second wireless signal was not received correctly.

As an embodiment, the foregoing method has the following advantages: the first candidate time-frequency resource set is also used for the uplink transmission without granting, and the user equipment performs the first grant-free uplink in the first candidate time-frequency resource set. After the transmission fails, the second time-frequency resource set is occupied to perform the second grant-free uplink transmission; the foregoing method improves the flexibility of resource configuration, and the base station can determine whether to dynamically configure the first according to the correct rate of the uplink transmission. The collection of two time-frequency resources further improves spectrum efficiency.

According to an aspect of the present application, the above method is characterized by comprising:

Sending a target wireless signal;

The target wireless signal is used to indicate a first identifier, and the user equipment adopts the first identifier.

As an embodiment, the foregoing method has the following advantages: the target radio signal is used by the user equipment to determine, to the base station, that there is an uplink grant that is exempt from granting, and the base station is configured to determine the size and judgment of the time-frequency resource that is actually required to be configured to be exempt from granting uplink transmission. The quality of the uplink transmission is exempted, and the flexible and efficient configuration is used to avoid granting time-frequency resources for uplink transmission.

According to an aspect of the present application, the above method is characterized by comprising:

Sending a third wireless signal;

Receiving third signaling;

Wherein the sending of the third wireless signal is based on granting, the second bit block is used to generate the first wireless signal and the third wireless signal; the third signaling is used to indicate the Whether the third wireless signal is correctly received; the first wireless signal further includes at least the former of the identifier of the user equipment and the hybrid automatic repeat request process number corresponding to the third wireless signal.

As an embodiment, the foregoing method has the following advantages: when the user equipment is in the connected state, the second time-frequency resource set can be used to authorize retransmission of the uplink transmission, thereby improving the time-frequency of the configuration to grant the uplink transmission. The utilization of resources further improves spectrum efficiency.

According to an aspect of the present application, the above method is characterized by comprising:

Receiving a second type of reference signal;

Sending a fourth wireless signal;

Wherein the measurement result for the second type of reference signal is used to trigger the transmission of the fourth wireless signal, and the fourth wireless signal is used by the sender of the first signaling to determine the second time Frequency resource collection.

As an embodiment, the characteristics and advantages of the foregoing method are that the second type of reference signal and the fourth wireless signal are used by the user equipment to determine their mobility state and report to the base station. In the IoT application, the base station prefers to allocate resources for granting uplink transmission. However, due to the effects of Massive-MIMO and high carrier frequency, a configured time-frequency resource can only serve one beam direction. Therefore, the base station needs to know which beams are known in advance. There is a user in the direction that is not suitable for granting uplink transmission; the above judgment needs to be measured and reported from the user equipment channel, but only the channel quality report of the mobile device that is slow or stationary is meaningful to the base station. The proposal of the second type of reference signal and the fourth wireless signal is directed to the above object. Through the foregoing method, the base station can reasonably allocate resources according to the number of user equipments that are not required to be granted uplink transmission in each beam, and avoid waste.

The present application discloses a method in a base station used for wireless communication, comprising:

Transmitting first signaling in a first time-frequency resource set, where the first signaling is used to determine K1 multi-carrier symbols and a second time-frequency resource set, where K1 is a positive integer;

Transmitting K1 first type reference signals in the K1 multicarrier symbols;

Receiving, in the second time-frequency resource set, a first wireless signal;

The first signaling is physical layer signaling, and the receiving, for the K1 first type reference signals, is used to determine a first antenna port group for transmitting the first wireless signal, the first The antenna port group includes a positive integer number of antenna ports; the transmission of the first wireless signal is triggered by the sender of the first wireless signal.

According to an aspect of the present application, the above method is characterized in that said K1 is greater than 1, and K1 reception parameter sets are respectively applied to reception of said K1 first type reference signals, said first antenna port group being associated to And a first receiving parameter group, where the first receiving parameter group is one of the K1 receiving parameter groups.

According to an aspect of the present application, the above method is characterized by comprising:

Send the first message;

Determining, in the first time-frequency resource pool, the first time-frequency resource set;

The first information is used to indicate the first time-frequency resource pool, and the first time-frequency resource set belongs to the first time-frequency resource pool.

According to an aspect of the present application, the above method is characterized by comprising:

Receiving a second wireless signal in the first candidate time-frequency resource set;

Transmitting the second signaling in the second candidate time-frequency resource set;

The second signaling is used to indicate whether the second wireless signal is correctly received, and the first bit block is used to generate the first wireless signal and the second wireless signal; the second wireless The sending of the signal is exempt from granting; one of the following is used to trigger the sending of the first wireless signal in the second set of time-frequency resources:

The sender of the second wireless signal does not monitor the second signaling in the second candidate time-frequency resource set;

The second signaling indicates that the second wireless signal was not received correctly.

According to an aspect of the present application, the above method is characterized by comprising:

Receiving a target wireless signal;

The target wireless signal is used to indicate a first identifier, and the sender of the target wireless signal adopts the first identifier.

According to an aspect of the present application, the above method is characterized by comprising:

Receiving a third wireless signal;

Sending third signaling;

Wherein the sending of the third wireless signal is based on granting, the second bit block is used to generate the first wireless signal and the third wireless signal; the third signaling is used to indicate the Whether the third wireless signal is correctly received; the sender of the third wireless signal transmits the first wireless signal, the first wireless signal further including an identifier of the sender of the third wireless signal and the At least the former of the hybrid automatic repeat request process numbers corresponding to the three wireless signals.

According to an aspect of the present application, the above method is characterized by comprising:

Sending a second type of reference signal;

Receiving a fourth wireless signal;

The measurement result for the second type of reference signal is used to trigger transmission of the fourth wireless signal, and the fourth wireless signal is used by the base station to determine the second time-frequency resource set.

The present application discloses a user equipment used for wireless communication, which includes:

The first transceiver module receives the first signaling in the first time-frequency resource set, where the first signaling is used to determine K1 multi-carrier symbols and a second time-frequency resource set, where K1 is a positive integer;

a first receiver module, respectively, receiving K1 first type reference signals in the K1 multicarrier symbols;

The second transceiver module sends the first wireless signal in the second time-frequency resource set;

The first signaling is physical layer signaling, and the receiving, for the K1 first type reference signals, is used to determine a first antenna port group for transmitting the first wireless signal, the first The antenna port group includes a positive integer number of antenna ports; the transmission of the first wireless signal is triggered by the user equipment.

As an embodiment, the foregoing user equipment used for wireless communication is characterized in that the K1 is greater than 1, and K1 receiving parameter groups are respectively applied to the receiving of the K1 first type reference signals, the first antenna The port group is associated with a first receiving parameter group, and the first receiving parameter group is one of the K1 receiving parameter groups.

As an embodiment, the foregoing user equipment used for wireless communication is characterized in that the first transceiver module further receives first information and monitors the first signaling in a first time-frequency resource pool; A message is used to indicate the first time-frequency resource pool, and the first time-frequency resource set belongs to the first time-frequency resource pool.

As an embodiment, the foregoing user equipment used for wireless communication is characterized in that the first transceiver module further sends a second wireless signal in the first candidate time-frequency resource set and in the second candidate time-frequency resource set. Monitoring second signaling; the second signaling is used to indicate whether the second wireless signal is correctly received, and the first bit block is used to generate the first wireless signal and the second wireless signal; The sending of the second wireless signal is exempt from granting; one of the following is used to trigger sending the first wireless signal in the second time-frequency resource set:

The user equipment does not detect the second signaling in the second candidate time-frequency resource set;

The second signaling indicates that the second wireless signal was not received correctly.

As an embodiment, the foregoing user equipment used for wireless communication is characterized in that the first transceiver module further sends a target wireless signal; the target wireless signal is used to indicate a first identifier, and the user equipment adopts The first identifier is described.

As an embodiment, the foregoing user equipment used for wireless communication is characterized in that the second transceiver module further transmits a third wireless signal and receives third signaling; the third wireless signal is sent based on the granted a second bit block is used to generate the first wireless signal and the third wireless signal; the third signaling is used to indicate whether the third wireless signal is correctly received; the first wireless signal And including at least the former of the identifier of the user equipment and the hybrid automatic repeat request process number corresponding to the third wireless signal.

As an embodiment, the user equipment used for wireless communication is characterized in that the first transceiver module further receives a second type of reference signal and transmits a fourth wireless signal; and the measurement result for the second type of reference signal Used to trigger transmission of the fourth wireless signal, the fourth wireless signal being used by a sender of the first signaling to determine the second set of time-frequency resources.

The present application discloses a base station device used for wireless communication, which includes:

The third transceiver module sends the first signaling in the first time-frequency resource set, where the first signaling is used to determine K1 multi-carrier symbols and a second time-frequency resource set, where K1 is a positive integer;

a first transmitter module, configured to respectively transmit K1 first type reference signals in the K1 multicarrier symbols;

The fourth transceiver module receives the first wireless signal in the second time-frequency resource set;

The first signaling is physical layer signaling, and the receiving, for the K1 first type reference signals, is used to determine a first antenna port group for transmitting the first wireless signal, the first The antenna port group includes a positive integer number of antenna ports; the transmission of the first wireless signal is triggered by the sender of the first wireless signal.

As an embodiment, the base station device used for wireless communication is characterized in that the K1 is greater than 1, and K1 receiving parameter groups are respectively applied to the reception of the K1 first type reference signals, the first antenna The port group is associated with a first receiving parameter group, and the first receiving parameter group is one of the K1 receiving parameter groups.

As an embodiment, the foregoing base station device used for wireless communication is characterized in that the third transceiver module further sends the first information and determines the first time-frequency resource set in the first time-frequency resource pool; The first information is used to indicate the first time-frequency resource pool, and the first time-frequency resource set belongs to the first time-frequency resource pool.

As an embodiment, the foregoing base station device used for wireless communication is characterized in that the third transceiver module further receives a second wireless signal in the first candidate time-frequency resource set and in the second candidate time-frequency resource set. Transmitting second signaling; the second signaling is used to indicate whether the second wireless signal is correctly received, and the first bit block is used to generate the first wireless signal and the second wireless signal; The sending of the second wireless signal is exempt from granting; one of the following is used to trigger sending the first wireless signal in the second time-frequency resource set:

The sender of the second wireless signal does not monitor the second signaling in the second candidate time-frequency resource set;

The second signaling indicates that the second wireless signal was not received correctly.

As an embodiment, the base station device used for wireless communication is characterized in that the third transceiver module further receives a target wireless signal; the target wireless signal is used to indicate a first identifier, the target wireless signal The sender uses the first identifier.

As an embodiment, the base station device used for wireless communication is characterized in that the fourth transceiver module further receives a third wireless signal and transmits third signaling; the third wireless signal is sent based on the granted a second bit block is used to generate the first wireless signal and the third wireless signal; the third signaling is used to indicate whether the third wireless signal is correctly received; the third wireless signal Transmitting, by the sender, the first wireless signal, where the first wireless signal further includes an identifier of the sender of the third wireless signal and a hybrid automatic repeat request process number corresponding to the third wireless signal At least the former.

As an embodiment, the base station device used for wireless communication is characterized in that the third transceiver module further transmits a second type of reference signal and receives a fourth wireless signal; and the measurement result for the second type of reference signal Used to trigger transmission of the fourth wireless signal, the fourth wireless signal is used by the base station to determine the second time-frequency resource set.

As an embodiment, the present application has the following advantages compared with the conventional solution:

The base station dynamically configures the first time-frequency resource set for the uplink grant-free transmission, and configures the reference signal used by the user equipment to obtain the spatial characteristic parameter used by the first wireless signal to facilitate user equipment selection. The correct antenna port group sends upstream data.

The K1 first type reference signal and the second time frequency resource set are triggered by dynamic signaling, and the foregoing manner is more efficient, and the reference of the sending of the first wireless signal is guaranteed. The timeliness of channel measurement avoids the problem of inefficient and inaccurate measurement in the Internet of Things due to the slow transmission frequency of user equipment.

The user equipment trains the used transmit beam to obtain the best transmission performance before transmitting the first wireless signal, and the base station side does not need to additionally adjust the characteristics of the base station side receive beam for the reception of the first wireless signal, that is, It guarantees that the performance of uplink transmission is not granted, and it will not affect other uplink transmissions.

The first time-frequency resource pool is pre-configured, and the user equipment only monitors the first signaling in the time-frequency resources occupied by the first time-frequency resource pool, thereby reducing the complexity of the user equipment and Power consumption.

The first candidate time-frequency resource set is also used for the uplink transmission without granting, and the user equipment occupies the second after failing to grant the uplink transmission failure for the first time in the first candidate time-frequency resource set. The time-frequency resource set performs the second grant-free uplink transmission; the foregoing method improves the flexibility of resource configuration, and the base station can determine whether to dynamically configure the second time-frequency resource set according to the correct rate of the uplink transmission, thereby further improving the spectrum efficiency.

The target radio signal is used by the user equipment to determine that the uplink transmission of the grant is granted to the base station, so that the base station determines the size of the time-frequency resource that needs to be configured for the uplink grant-free transmission and determines the quality of the uplink transmission, thereby being flexible and efficient. Configure time-frequency resources for granting uplink transmissions.

When the user equipment is in the connected state, the second time-frequency resource set can be used for retransmission based on the authorized uplink transmission, thereby improving the utilization of the time-frequency resource configured to avoid granting the uplink transmission, and further improving the spectrum efficiency. .

The second type of reference signal and the fourth wireless signal are used by the user equipment to determine their mobility status and report to the base station. In the IoT application, the base station prefers to allocate resources for granting uplink transmission. However, due to the effects of Massive-MIMO and high carrier frequency, a configured time-frequency resource can only serve one beam direction. Therefore, the base station needs to know which beams are known in advance. There is a user in the direction that is not suitable for granting uplink transmission; the above judgment needs to be measured and reported from the user equipment channel, but only the channel quality report of the mobile device that is slow or stationary is meaningful to the base station. The proposal of the second type of reference signal and the fourth wireless signal is directed to the above object. Through the foregoing method, the base station can reasonably allocate resources according to the number of user equipments that are not required to be granted uplink transmission in each beam, and avoid waste.

DRAWINGS

Other features, objects, and advantages of the present application will become more apparent from the detailed description of the accompanying drawings.

FIG. 1 shows a flow chart of first signaling according to an embodiment of the present application;

2 shows a schematic diagram of a network architecture in accordance with one embodiment of the present application;

3 shows a schematic diagram of an embodiment of a radio protocol architecture of a user plane and a control plane in accordance with one embodiment of the present application;

FIG. 4 shows a schematic diagram of an evolved node and a UE according to an embodiment of the present application; FIG.

FIG. 5 shows a flow chart of a first wireless signal in accordance with an embodiment of the present application; FIG.

6 shows a flow chart of a first wireless signal in accordance with another embodiment of the present application;

Figure 7 shows a flow diagram of a second type of reference signal in accordance with one embodiment of the present application;

FIG. 8 shows a schematic diagram of a given set of timing frequency resources according to the present application; FIG.

Figure 9 shows a schematic diagram of one K1 first type reference signal in accordance with the present application;

FIG. 10 is a schematic diagram showing a first candidate time-frequency resource set and a second candidate time-frequency resource set according to the present application;

FIG. 11 is a schematic diagram showing a third wireless signal and a third signaling according to the present application;

Figure 12 shows a schematic diagram of a second type of reference signal in accordance with the present application;

Figure 13 shows a schematic diagram of an antenna port and antenna port group in accordance with the present application;

FIG. 14 is a block diagram showing the structure of a processing device for use in a user equipment according to an embodiment of the present application;

Figure 15 shows a block diagram of a structure for a processing device in a base station in accordance with one embodiment of the present application.

Detailed ways

The technical solutions of the present application are further described in detail below with reference to the accompanying drawings. It should be noted that the features in the embodiments and the embodiments of the present application may be combined with each other without conflict.

Example 1

Embodiment 1 illustrates a flow chart of the first signaling, as shown in FIG.

In Embodiment 1, the user equipment in the present application first receives first signaling in a first time-frequency resource set, and the first signaling is used to determine K1 multi-carrier symbols and second time-frequency resources. a set, the K1 is a positive integer; subsequently receiving K1 first type reference signals in the K1 multicarrier symbols; and transmitting a first wireless signal in the second time frequency resource set; the first letter The order is physical layer signaling, and the receiving of the K1 first type reference signals is used to determine a first antenna port group for transmitting the first wireless signal, where the first antenna port group includes a positive integer An antenna port; the sending of the first wireless signal is triggered by the user equipment.

As a sub-embodiment, the first signaling is a DCI (Downlink Control Information).

As a sub-embodiment, the first time-frequency resource set and the second time-frequency resource set respectively include a plurality of REs (Resource Elements).

As a sub-embodiment, the K1 is greater than one.

As a sub-embodiment, the K1 is equal to one.

As a sub-embodiment, the transmission of the first wireless signal is contention based.

As a sub-embodiment, the transmission of the first wireless signal is exempt.

As a sub-embodiment, the first signaling is common to the cell.

As a sub-embodiment, the first signaling is common to the terminal group, the terminal group includes a positive integer number of terminals, and the user equipment is one terminal in the terminal group.

As a subsidiary embodiment of the foregoing two sub-embodiments, the CRC (Cyclic Redundancy Check) included in the first signaling is scrambled by a given RNTI (Radio Network Temporary Identifier); The given RNTI is common to the cell, or the given RNTI is specific to the terminal group and the user equipment belongs to the terminal group.

As a sub-embodiment, the second time-frequency resource set is reserved for the grant-free uplink transmission.

As a sub-embodiment, the user equipment considers that the uplink wireless signal can be directly sent in the second time-frequency resource set without scheduling by the base station.

As a sub-embodiment, the first signaling explicitly indicates the second time-frequency resource set.

As a sub-embodiment, the time domain resources occupied by the K1 multi-carrier symbols are associated with the time domain resources occupied by the second time-frequency resource set.

As a sub-embodiment, the K1 first-type reference signals occupy the K1 multi-carrier symbols in the time domain, and the resources occupied in the frequency domain belong to the frequency domain resources corresponding to the second time-frequency resource set.

As a sub-embodiment, the K1 first type reference signals are respectively K1 CSI-RSs (Channel State Information Reference Signals).

As a subsidiary embodiment of this sub-embodiment, the K1 CSI-RSs are all generated by the same sequence.

As a subsidiary embodiment of the sub-embodiment, the K1 CSI-RSs are transmitted by using the swathing of the K1 multi-carrier symbols.

As a sub-embodiment, the first signaling is used to indicate the K1 multi-carrier symbols.

As a sub-embodiment, a given high-level signaling indicates a second time-frequency resource pool, where the second time-frequency resource pool includes a positive integer number of second-time time-frequency resource sets, and the second time-frequency resource set is the A positive integer one of the second set of time-frequency resources.

As a subsidiary embodiment of the sub-embodiment, the first signaling is used to indicate the second time-frequency resource set from the positive integer number of second-class time-frequency resource sets.

As a subsidiary embodiment of the sub-embodiment, the first signaling indicates the K1 multi-carrier symbols from the second time-frequency resource pool.

As a subsidiary embodiment of the sub-embodiment, the first signaling indicates the K1, and for a given K1, the location of the K1 multi-carrier symbols in the second time-frequency resource pool is fixed.

As an auxiliary embodiment of the sub-embodiment, the location of the second time-frequency resource set in the second time-frequency resource pool is fixed.

As an auxiliary embodiment of the sub-instance, the K1 first-type reference signals occupy the K1 multi-carrier symbols in the time domain, and the resources occupied in the frequency domain belong to the second time-frequency resource pool. Frequency domain resources.

As a sub-embodiment, the first signaling indicates a second time-frequency resource pool.

As a subsidiary embodiment of the sub-instance, the second time-frequency resource pool includes a positive integer number of second-class time-frequency resource sets, and the second time-frequency resource set is the positive integer-numbered second-type time-frequency One of the resource sets, the user equipment determining the second time-frequency resource set from the second time-frequency resource pool by itself.

As a subsidiary embodiment of the sub-embodiment, the first signaling indicates the K1 multi-carrier symbols from the second time-frequency resource pool.

As a subsidiary embodiment of the sub-embodiment, the first signaling indicates the K1, and for a given K1, the location of the K1 multi-carrier symbols in the second time-frequency resource pool is fixed.

As an auxiliary embodiment of the sub-embodiment, the location of the second time-frequency resource set in the second time-frequency resource pool is fixed.

As a subsidiary embodiment of the sub-instance, the first signaling further indicates the second time-frequency resource set from the second time-frequency resource pool.

As an auxiliary embodiment of the sub-instance, the K1 first-type reference signals occupy the K1 multi-carrier symbols in the time domain, and the resources occupied in the frequency domain belong to the second time-frequency resource pool. Frequency domain resources.

As a sub-embodiment, the K1 first-type reference signals occupy the K1 multi-carrier symbols in the time domain, occupying the entire system bandwidth in the frequency domain.

As an embodiment of the sub-embodiment, the system bandwidth corresponds to one CC (Component Carrier), or the system bandwidth corresponds to one BWP (Bandwidth Part).

As a sub-embodiment, the second set of time-frequency resources is associated to the K1 first-class reference signals.

As a sub-embodiment, the physical layer channel corresponding to the first radio signal is a PUSCH (Physical Uplink Shared Channel).

As a sub-embodiment, the transport channel corresponding to the first wireless signal is a UL-SCH (Uplink Shared Channel).

As a sub-embodiment, any one of the K1 multi-carrier symbols in the present application is an OFDM (Orthogonal Frequency Division Multiplexing) symbol, and an SC-FDMA (Single-Carrier Frequency Division). Multiple Access, single carrier frequency division multiplexing access) symbol, FBMC (Filter Bank Multi Carrier) symbol, OFDM symbol including CP (Cyclic Prefix), DFT-s-OFDM including CP (Discrete Fourier Transform Spreading Orthogonal Frequency Division Multiplexing) One of the symbols of the Orthogonal Frequency Division Multiplexing (Discrete Fourier Transform Spread Spectrum).

Example 2

Embodiment 2 illustrates a schematic diagram of a network architecture, as shown in FIG.

Embodiment 2 illustrates a schematic diagram of a network architecture in accordance with the present application, as shown in FIG. 2 is a diagram illustrating an NR5G, LTE (Long-Term Evolution, Long Term Evolution) and LTE-A (Long-Term Evolution Advanced) system network architecture 200. The NR 5G or LTE network architecture 200 may be referred to as an EPS (Evolved Packet System) 200 in some other suitable terminology. The EPS 200 may include one or more UEs (User Equipment) 201, NG-RAN (Next Generation Radio Access Network) 202, 5G-CN (5G-Core Network, 5G core network) / EPC (Evolved Packet Core, Evolved Packet Core) 210, HSS (Home Subscriber Server) 220 and Internet Service 230. EPS can be interconnected with other access networks, but these entities/interfaces are not shown for simplicity. As shown, the EPS provides packet switching services, although those skilled in the art will readily appreciate that the various concepts presented throughout this application can be extended to networks or other cellular networks that provide circuit switched services. The NG-RAN includes an NR Node B (gNB) 203 and other gNBs 204. The gNB 203 provides user and control plane protocol termination for the UE 201. The gNB 203 can be connected to other gNBs 204 via an Xn interface (eg, a backhaul). The gNB 203 may also be referred to as a base station, base transceiver station, radio base station, radio transceiver, transceiver function, basic service set (BSS), extended service set (ESS), TRP (transmission and reception point), or some other suitable terminology. The gNB 203 provides the UE 201 with an access point to the 5G-CN/EPC 210. Examples of UEs 201 include cellular telephones, smart phones, Session Initiation Protocol (SIP) phones, laptop computers, personal digital assistants (PDAs), satellite radios, non-terrestrial base station communications, satellite mobile communications, global positioning systems, multimedia devices , video device, digital audio player (eg, MP3 player), camera, game console, drone, aircraft, narrowband physical network device, machine type communication device, land vehicle, car, wearable device, or any Other similar functional devices. A person skilled in the art may also refer to UE 201 as a mobile station, a subscriber station, a mobile unit, a subscriber unit, a wireless unit, a remote unit, a mobile device, a wireless device, a wireless communication device, a remote device, a mobile subscriber station, an access terminal, Mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client or some other suitable term. The gNB 203 is connected to the 5G-CN/EPC 210 through the S1/NG interface. The 5G-CN/EPC 210 includes the MME/AMF/UPF 211, and other MMEs (Mobility Management Entity)/AMF (Authentication Management Field). /UPF (User Plane Function) 214, S-GW (Service Gateway) 212, and P-GW (Packet Date Network Gateway) 213. The MME/AMF/UPF 211 is a control node that handles signaling between the UE 201 and the 5G-CN/EPC 210. In general, MME/AMF/UPF 211 provides bearer and connection management. All User IP (Internet Protocol) packets are transmitted through the S-GW 212, and the S-GW 212 itself is connected to the P-GW 213. The P-GW 213 provides UE IP address allocation as well as other functions. The P-GW 213 is connected to the Internet service 230. The Internet service 230 includes an operator-compatible Internet Protocol service, and may specifically include the Internet, an intranet, an IMS (IP Multimedia Subsystem), and a PS Streaming Service (PSS).

As a sub-embodiment, the UE 201 corresponds to the user equipment in this application.

As a sub-embodiment, the gNB 203 corresponds to the base station in the present application.

As a sub-embodiment, the UE 201 supports wireless communication for data transmission over an unlicensed spectrum.

As a sub-embodiment, the gNB 203 supports wireless communication for data transmission over an unlicensed spectrum.

As a sub-embodiment, the UE 201 supports Non-Orthogonal Multiple Access (NOMA)-based wireless communication.

As a sub-embodiment, the gNB 203 supports NOMA-based wireless communication.

As a sub-embodiment, the UE 201 supports Grant-Free uplink transmission.

As a sub-embodiment, the gNB 203 supports Grant-Free uplink transmission.

As a sub-embodiment, the UE 201 supports contention-based uplink transmission.

As a sub-embodiment, the gNB 203 supports contention based uplink transmission.

As a sub-embodiment, the UE 201 supports beamforming based uplink transmission.

As a sub-embodiment, the gNB 203 supports beamforming based uplink transmission.

As a sub-embodiment, the UE 201 supports Massive-MIMO based uplink transmission.

As a sub-embodiment, the gNB 203 supports Massive-MIMO based uplink transmission.

Example 3

Embodiment 3 shows a schematic diagram of an embodiment of a radio protocol architecture of a user plane and a control plane in accordance with the present application, as shown in FIG.

3 is a schematic diagram illustrating an embodiment of a radio protocol architecture for a user plane and a control plane, and FIG. 3 shows a radio protocol architecture for user equipment (UE) and base station equipment (gNB or eNB) in three layers: layer 1, layer 2 and layer 3. Layer 1 (L1 layer) is the lowest layer and implements various PHY (physical layer) signal processing functions. The L1 layer will be referred to herein as PHY 301. Layer 2 (L2 layer) 305 is above PHY 301 and is responsible for the link between the UE and the gNB through PHY 301. In the user plane, the L2 layer 305 includes a MAC (Medium Access Control) sublayer 302, an RLC (Radio Link Control) sublayer 303, and a PDCP (Packet Data Convergence Protocol). Convergence Protocol) Sublayer 304, which terminates at the gNB on the network side. Although not illustrated, the UE may have several upper layers above the L2 layer 305, including a network layer (eg, an IP layer) terminated at the P-GW on the network side and terminated at the other end of the connection (eg, Application layer at the remote UE, server, etc.). The PDCP sublayer 304 provides multiplexing between different radio bearers and logical channels. The PDCP sublayer 304 also provides header compression for upper layer data packets to reduce radio transmission overhead, provides security by encrypting data packets, and provides handoff support for UEs between gNBs. The RLC sublayer 303 provides segmentation and reassembly of upper layer data packets, retransmission of lost data packets, and reordering of data packets to compensate for out-of-order reception due to HARQ (Hybrid Automatic Repeat reQuest). The MAC sublayer 302 provides multiplexing between the logical and transport channels. The MAC sublayer 302 is also responsible for allocating various radio resources (e.g., resource blocks) in one cell between UEs. The MAC sublayer 302 is also responsible for HARQ operations. In the control plane, the radio protocol architecture for the UE and gNB is substantially the same for the physical layer 301 and the L2 layer 305, but there is no header compression function for the control plane. The control plane also includes an RRC (Radio Resource Control) sublayer 306 in Layer 3 (L3 layer). The RRC sublayer 306 is responsible for obtaining radio resources (ie, radio bearers) and configuring the lower layer using RRC signaling between the gNB and the UE.

As a sub-embodiment, the radio protocol architecture of Figure 3 is applicable to the user equipment in this application.

As a sub-embodiment, the radio protocol architecture of Figure 3 is applicable to the base station in this application.

As a sub-embodiment, the first signaling in the present application is generated by the PHY 301.

As a sub-embodiment, the first signaling in the present application is generated in the MAC 302.

As a sub-embodiment, the K1 first type reference signals in the present application are generated in the PHY 301.

As a sub-embodiment, the first wireless signal in the present application is generated by the PHY 301.

As a sub-embodiment, the first information in the present application is generated in the RRC sublayer 306.

As a sub-embodiment, the second wireless signal in the present application is generated by the PHY 301.

As a sub-embodiment, the second signaling in the present application is generated by the PHY 301.

As a sub-embodiment, the target wireless signal in the present application is generated by the PHY 301.

As a sub-embodiment, the third wireless signal in the present application is generated by the PHY 301.

As a sub-embodiment, the third signaling in the present application is generated by the PHY 301.

As a sub-embodiment, the second type of reference signal in the present application is generated by the PHY 301.

As a sub-embodiment, the fourth wireless signal in the present application is generated in the RRC sublayer 306.

As a sub-embodiment, the fourth wireless signal in the present application terminates at the RRC sublayer 306.

Example 4

Embodiment 4 shows a schematic diagram of a base station device and a user equipment according to the present application, as shown in FIG. 4 is a block diagram of a gNB 410 in communication with a UE 450 in an access network.

The base station device (410) includes a controller/processor 440, a memory 430, a receive processor 412, a transmit processor 415, a transmitter/receiver 416, and an antenna 420.

The user equipment (450) includes a controller/processor 490, a memory 480, a data source 467, a transmit processor 455, a receive processor 452, a transmitter/receiver 456, and an antenna 460.

In the UL (Uplink) transmission, the processing related to the base station device (410) includes:

Receiver 416, receiving a radio frequency signal through its corresponding antenna 420, converting the received radio frequency signal into a baseband signal, and providing the baseband signal to the receiving processor 412;

Receiving processor 412, implementing various signal receiving processing functions for the L1 layer (ie, physical layer) including decoding, deinterleaving, descrambling, demodulation, and physical layer control signaling extraction, etc.;

a controller/processor 440 that implements L2 layer functions and is associated with a memory 430 that stores program codes and data;

Controller/processor 440 provides demultiplexing, packet reassembly, decryption, header decompression, control signal processing between the transport and logical channels to recover upper layer data packets from UE 450; from controller/processor 440 Upper layer packets can be provided to the core network;

Control/processor 440, determining to receive the first wireless signal in the second time-frequency resource set; and transmitting the result to the receiving processor 412;

In the UL transmission, the processing related to the user equipment (450) includes:

Data source 467, which provides the upper layer data packet to controller/processor 490. Data source 467 represents all protocol layers above the L2 layer;

Transmitter 456, transmitting a radio frequency signal through its corresponding antenna 460, converting the baseband signal into a radio frequency signal, and providing the radio frequency signal to the corresponding antenna 460;

a transmit processor 455, implementing various signal reception processing functions for the L1 layer (ie, the physical layer) including decoding, deinterleaving, descrambling, demodulation, and physical layer control signaling extraction, etc.;

- Controller/Processor 490 implements header compression, encryption, packet segmentation and reordering, and multiplexing between logical and transport channels based on radio resource allocation of gNB 410, implementing L2 for user plane and control plane Layer function

The controller/processor 490 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the gNB 410;

a controller/processor 490, determining to transmit the first wireless signal in the second set of time-frequency resources; and transmitting the result to the transmit processor 455;

In DL (Downlink) transmission, the processing related to the base station device (410) includes:

a controller/processor 440, the upper layer packet arrives, the controller/processor 440 provides header compression, encryption, packet segmentation and reordering, and multiplexing and demultiplexing between the logical and transport channels for implementation The L2 layer protocol of the user plane and the control plane; the upper layer packet may include data or control information, such as a DL-SCH (Downlink Shared Channel);

a controller/processor 440 associated with a memory 430 storing program code and data, which may be a computer readable medium;

a controller/processor 440 comprising a scheduling unit for transmitting a demand, the scheduling unit for scheduling air interface resources corresponding to the transmission requirements;

a controller/processor 440, determining to transmit the first signaling in the first set of time-frequency resources and determining to respectively transmit K1 first-type reference signals in the K1 multi-carrier symbols; and transmitting the result to the transmit processor 415 ;

a transmit processor 415 that receives the output bitstream of the controller/processor 440, implementing various signal transmission processing functions for the L1 layer (ie, the physical layer) including coding, interleaving, scrambling, modulation, power control/allocation, and Physical layer control signaling (including PBCH, PDCCH, PHICH, PCFICH, reference signal) generation, etc.;

a transmitter 416 for converting the baseband signals provided by the transmit processor 415 into radio frequency signals and transmitting them via the antenna 420; each transmitter 416 samples the respective input symbol streams to obtain a respective sampled signal stream. Each transmitter 416 performs further processing (eg, digital to analog conversion, amplification, filtering, upconversion, etc.) on the respective sample streams to obtain a downlink signal.

In DL transmission, processing related to the user equipment (450) may include:

a receiver 456, for converting the radio frequency signal received through the antenna 460 into a baseband signal is provided to the receiving processor 452;

Receive processor 452, implementing various signal reception processing functions for the L1 layer (ie, physical layer) including decoding, deinterleaving, descrambling, demodulation, and physical layer control signaling extraction, etc.;

a controller/processor 490 that receives the bit stream output by the receive processor 452, provides header decompression, decryption, packet segmentation and reordering, and multiplexing demultiplexing between the logical and transport channels to implement L2 layer protocol for user plane and control plane;

a controller/processor 490, determining to receive the first signaling in the first set of time-frequency resources and determining to receive K1 first-type reference signals in the K1 multi-carrier symbols, respectively; and transmitting the result to the receiving processor 452 ;

The controller/processor 490 is associated with a memory 480 that stores program codes and data. Memory 480 can be a computer readable medium.

As a sub-embodiment, the UE 450 apparatus includes: at least one processor and at least one memory, the at least one memory including computer program code; the at least one memory and the computer program code are configured to be Used together by the processor, the UE 450 apparatus at least: receiving first signaling in a first time-frequency resource set, the first signaling being used to determine K1 multi-carrier symbols and a second time-frequency resource set, K1 is a positive integer; respectively receiving K1 first-type reference signals in the K1 multi-carrier symbols; and transmitting a first wireless signal in the second time-frequency resource set; the first signaling is a physical layer signal The receiving, for the K1 first type reference signals, is used to determine a first antenna port group for transmitting the first wireless signal, where the first antenna port group includes a positive integer number of antenna ports; The transmission of the first wireless signal is triggered by the user equipment.

As a sub-embodiment, the UE 450 includes: a memory storing a computer readable instruction program, the computer readable instruction program generating an action when executed by at least one processor, the action comprising: at a first time frequency Receiving, in the resource set, the first signaling, where the first signaling is used to determine a K1 multicarrier symbol and a second time-frequency resource set, where K1 is a positive integer; and respectively receiving K1 in the K1 multi-carrier symbols First type of reference signals; and transmitting a first wireless signal in the second set of time-frequency resources; the first signaling is physical layer signaling, and the receiving of the K1 first-type reference signals is used And determining, in the first antenna port group for transmitting the first wireless signal, the first antenna port group includes a positive integer number of antenna ports; the sending of the first wireless signal is triggered by the user equipment. .

As a sub-embodiment, the gNB 410 apparatus includes: at least one processor and at least one memory, the at least one memory including computer program code; the at least one memory and the computer program code are configured to be The processor is used together. The gNB410 device transmits at least a first signaling in a first time-frequency resource set, where the first signaling is used to determine K1 multi-carrier symbols and a second time-frequency resource set, where K1 is a positive integer; K1 first type reference signals are respectively sent in the K1 multicarrier symbols; and the first wireless signal is received in the second time frequency resource set; the first signaling is physical layer signaling, The receiving of the K1 first type of reference signals is used to determine a first antenna port group for transmitting the first wireless signal, the first antenna port group including a positive integer number of antenna ports; the first wireless signal The transmission is triggered by the sender of the first wireless signal.

As a sub-embodiment, the gNB 410 includes: a memory storing a computer readable instruction program that, when executed by at least one processor, generates an action, the action comprising: at a first time frequency Transmitting, by the set of resources, first signaling, where the first signaling is used to determine K1 multicarrier symbols and a second time-frequency resource set, where K1 is a positive integer; and K1 is respectively sent in the K1 multi-carrier symbols First type of reference signals; and receiving a first wireless signal in the second set of time-frequency resources; the first signaling is physical layer signaling, and the receiving of the K1 first-type reference signals is used Determining, by the first antenna port group for transmitting the first wireless signal, the first antenna port group includes a positive integer number of antenna ports; the sending of the first wireless signal is by the first wireless signal The sender triggers itself.

As a sub-embodiment, the UE 450 corresponds to the user equipment in this application.

As a sub-embodiment, gNB 410 corresponds to the base station in this application.

As a sub-embodiment, the controller/processor 490 is configured to determine to receive the first signaling in the first set of time-frequency resources, the first signaling being used to determine K1 multi-carrier symbols and a second time-frequency a set of resources; and operative to determine to receive K1 first-type reference signals in the K1 multi-carrier symbols, respectively; and to determine to transmit the first wireless signal in the second set of time-frequency resources.

As a sub-embodiment, at least two of the receiver 456, the receive processor 452, and the controller/processor 490 are configured to receive the first signaling in the first set of time-frequency resources, the first signaling Used to determine K1 multicarrier symbols and a second time-frequency resource set.

As a sub-embodiment, at least two of the receiver 456, the receive processor 452, and the controller/processor 490 are used to receive K1 first-type reference signals in the K1 multi-carrier symbols, respectively.

As a sub-embodiment, at least two of the transmitter 456, the transmit processor 455, and the controller/processor 490 are used to transmit the first wireless signal in the second set of time-frequency resources.

As a sub-embodiment, at least two of the receiver 456, the receive processor 452, and the controller/processor 490 are used to receive the first information; and to monitor the first letter in the first time-frequency resource pool make.

As a sub-embodiment, at least two of the transmitter 456, the transmit processor 455, and the controller/processor 490 are used to transmit a second wireless signal in the first set of candidate time-frequency resources; the receiver 456, receiving At least two of the processor 452 and the controller/processor 490 are used to monitor the second signaling in the second set of candidate time-frequency resources.

As a sub-embodiment, at least two of the transmitter 456, the transmit processor 455, and the controller/processor 490 are used to transmit the target wireless signal.

As a sub-embodiment, at least two of the transmitter 456, the transmit processor 455, and the controller/processor 490 are used to transmit a third wireless signal; the receiver 456, the receive processor 452, and the controller/processor At least the first two of 490 are used to receive the third signaling.

As a sub-embodiment, at least two of the receiver 456, the receive processor 452, and the controller/processor 490 are used to receive the second type of reference signal; the transmitter 456, the transmit processor 455, and the controller/process At least the first two of the 490 are used to transmit a fourth wireless signal.

As a sub-embodiment, the controller/processor 440 is configured to determine to transmit the first signaling in the first set of time-frequency resources, the first signaling being used to determine K1 multi-carrier symbols and a second time-frequency a set of resources; and operative to determine to transmit K1 first-type reference signals in the K1 multi-carrier symbols; and to determine to receive the first wireless signal in the second set of time-frequency resources.

As a sub-embodiment, at least two of the transmitter 416, the transmit processor 415, and the controller/processor 440 are configured to transmit the first signaling in the first set of time-frequency resources, the first signaling Used to determine K1 multicarrier symbols and a second time-frequency resource set.

As a sub-embodiment, at least two of the transmitter 416, the transmit processor 415, and the controller/processor 440 are used to transmit K1 first-type reference signals in the K1 multi-carrier symbols, respectively.

As a sub-embodiment, at least two of the receiver 416, the receive processor 412, and the controller/processor 440 are used to receive the first wireless signal in the second set of time-frequency resources.

As a sub-embodiment, at least two of the transmitter 416, the transmit processor 415, and the controller/processor 440 are used to transmit the first information; and are used to determine the first in the first time-frequency resource pool Time-frequency resource collection.

As a sub-embodiment, at least two of the receiver 416, the receive processor 412, and the controller/processor 440 are used to receive the second wireless signal in the first set of candidate time-frequency resources; the transmitter 416, transmitting At least two of the processor 415 and the controller/processor 440 are used to transmit the second signaling in the second set of candidate time-frequency resources.

As a sub-embodiment, at least two of the receiver 416, the receive processor 412, and the controller/processor 440 are used to receive the target wireless signal.

As a sub-embodiment, at least two of the receiver 416, the receive processor 412, and the controller/processor 440 are used to receive a third wireless signal; the transmitter 416, the transmit processor 415, and the controller/processor At least the first two of 440 are used to transmit the third signaling.

As a sub-embodiment, at least two of the transmitter 416, the transmit processor 415, and the controller/processor 440 are used to transmit a second type of reference signal; the receiver 416, the receive processor 412, and the controller/process At least the first two of the 440 are used to receive the fourth wireless signal.

Example 5

Embodiment 5 illustrates a flow chart of a first wireless signal, as shown in FIG. In FIG. 5, base station N1 is a maintenance base station of a serving cell of user equipment U2. In the figure, the steps in the boxes identified as F0 and F1 are optional. The sub-embodiments and descriptions in this embodiment can be applied to Embodiment 6 and Embodiment 7 without conflict.

The base station N1, in step S10, the target receives a radio signal; receiving a second radio frequency signal in step S11 in the first resource set candidate; in step S12 transmits a second set of frequency resources when the second candidate signaling Transmitting the first information in step S13; determining the first time-frequency resource set in the first time-frequency resource pool in step S14; transmitting the first signaling in the first time-frequency resource set in step S15; In S16, K1 first type reference signals are respectively transmitted in K1 multicarrier symbols; and in step S17, the first wireless signal is received in the second time frequency resource set.

For user equipment U2, at step S20, a target transmission radio signal; in a second step of transmitting the radio resource set signal S21 is at a first frequency candidate; in step S22 receives the second frequency resource set when the second candidate channel Receiving the first information in step S23; monitoring the first signaling in the first time-frequency resource pool in step S24; receiving the first signaling in the first time-frequency resource set in step S25; The K1 first type reference signals are respectively received in the K1 multicarrier symbols; the first wireless signal is transmitted in the second time frequency resource set in step S27.

In Embodiment 5, the first signaling is used to determine K1 multi-carrier symbols and a second time-frequency resource set; the first signaling is physical layer signaling, and the K1 first-class reference signals are used. Receiving is used to determine a first antenna port group for transmitting the first wireless signal, the first antenna port group includes a positive integer number of antenna ports; the first wireless signal is transmitted by the user The device U2 is triggered by itself; the K1 is greater than 1, and the K1 receiving parameter groups are respectively applied to the receiving of the K1 first type reference signals, and the first antenna port group is associated with the first receiving parameter group. The first receiving parameter group is one of the K1 receiving parameter groups; the first information is used to indicate the first time-frequency resource pool, and the first time-frequency resource set belongs to the a first time-frequency resource pool; the target wireless signal is used to indicate a first identifier, the user equipment U2 adopts the first identifier; and the second signaling is used to indicate whether the second wireless signal is Correct reception, the first block of bits is used to generate the a first wireless signal and the second wireless signal; the sending of the second wireless signal is grant-free; one of the following is used to trigger the sending of the first wireless signal in the second set of time-frequency resources:

The user equipment U2 does not detect the second signaling in the second candidate time-frequency resource set;

The second signaling indicates that the second wireless signal was not received correctly.

As a sub-embodiment, the receiving parameter group in the present application includes: a receiving beam, an receiving analog beam shaping matrix, a receiving analog beamforming vector, a receiving beamforming vector, and one of receiving spatial filtering. Kind or more.

As a sub-embodiment, the K1 reception parameter sets respectively include K1 reception beamforming vectors, and the K1 reception beamforming vectors are respectively applied to reception of the K1 first type reference signals.

As a sub-embodiment, each of the K1 received parameter sets includes an analog receive beamforming vector.

As a sub-embodiment, a beamforming vector in the first set of receiving parameters is used to generate the first set of antenna ports.

As a sub-embodiment, the beamforming vector in the first group of receiving parameters is a beamforming vector corresponding to the first group of antenna ports.

As a sub-embodiment, the first antenna port group is associated with the first receiving parameter group, that is, the receiving analog beam shaping matrix corresponding to the first receiving parameter group is used as the first antenna. The analog beamforming matrix corresponding to the port group.

As a sub-embodiment, the first antenna port group is associated with the first receiving parameter group, that is, the receiving analog beam corresponding to the first receiving parameter group is used as the first antenna port group. Corresponding transmission analog beam.

As a sub-embodiment, the first antenna port group is associated with the first receiving parameter group, that is, the receiving spatial filtering corresponding to the first receiving parameter group is used as the first antenna port group. Corresponding transmission space filtering.

As a sub-embodiment, the first antenna port group being associated with the first receiving parameter group means that the coverage of the receiving beam corresponding to the first receiving parameter group is spatially at the first antenna. The transmit beam corresponding to the port group is within the spatial coverage.

As a sub-embodiment, the first time-frequency resource pool includes multiple REs.

As a sub-invention, the first time-frequency resource pool includes M1 first-time time-frequency resource sets, and the first time-frequency resource set is one of the M1 first-type time-frequency resource sets. A collection of time-frequency resources.

As a sub-embodiment, the first information is transmitted over the air interface.

As a sub-embodiment, the air interface in the present application corresponds to the interface between the UE 201 and the NR Node B 203 in Embodiment 2.

As a sub-embodiment, the first information is transmitted through RRC (Radio Resource Control) signaling.

As a sub-embodiment, the monitoring of the first signaling in the first time-frequency resource pool is blind detection.

As a subsidiary embodiment of this sub-embodiment, the blind detection includes at least one of energy detection and feature sequence detection.

As a subsidiary embodiment of this sub-embodiment, the first signaling includes a CRC (Cyclic Redundancy Check), and the blind detection includes a check for the CRC.

As a sub-invention, the user equipment U2 does not know the location of the first time-frequency resource set in the first time-frequency resource pool before receiving the first signaling.

As a sub-invention, the user equipment U2 determines, by using energy detection, a location of the first time-frequency resource set in the first time-frequency resource pool, or the user equipment U2 determines, by using feature sequence detection. A time-frequency resource is aggregated at a location in the first time-frequency resource pool.

As a sub-embodiment, the base station N1 does not know the location of the second time-frequency resource set in the second time-frequency resource pool before receiving the first wireless signal.

As a sub-embodiment, the base station N1 determines, by using energy detection, a location of the second time-frequency resource set in the second time-frequency resource pool, or the base station N1 determines the second time by using feature sequence detection. A set of frequency resources is located in the second time-frequency resource pool.

As a sub-embodiment, the base station N1 does not know the location of the time-frequency resource occupied by the first candidate time-frequency resource set before receiving the second wireless signal.

As a sub-invention, the first candidate time-frequency resource set belongs to the first candidate time-frequency resource pool, and the base station N1 determines, by using energy detection, that the first candidate time-frequency resource set is in the first candidate time-frequency resource. The location in the pool, or the base station N1 determines the location of the first candidate time-frequency resource set in the first candidate time-frequency resource pool by feature sequence detection.

As a sub-embodiment, the target wireless signal includes a DMRS (Demodulation Reference Signal).

As a sub-embodiment, the first identifier is configured by higher layer signaling.

As a sub-embodiment, the first identifier is generated by the user equipment U2 itself.

As an auxiliary embodiment of the sub-embodiment, the first identifier is a random number generated by the user equipment U2.

As a sub-embodiment, the base station N1 performs channel estimation according to the target wireless signal, and uses the result of the channel estimation for demodulation of the first wireless signal.

As a sub-embodiment, the base station N1 performs channel estimation according to the target wireless signal, and uses the result of the channel estimation for demodulation of the second wireless signal.

As a sub-embodiment, the base station N1 receives W2 first-type target wireless signals from W2 terminals, and the target wireless signal is one of the W2 first-class target wireless signals; The W2 uplink data channels are respectively sent by the terminal, and the W2 uplink data channels are all exempted. The base station N1 detects only W3 uplink data channels in the W2 uplink data channels, and the base station N1 determines, according to the ratio of the W3 and the W2, the number of REs occupied by the second time-frequency resource set; the W2 is a positive integer, and the W3 is a positive integer not greater than the W2.

As an auxiliary embodiment of the sub-embodiment, the larger the ratio of the W3 and the W2, the smaller the number of REs occupied by the second time-frequency resource set.

As a subsidiary embodiment of the sub-embodiment, the smaller the ratio of the W3 and the W2 is, the larger the number of REs occupied by the second time-frequency resource set is.

As an embodiment of the sub-embodiment, the number of REs occupied by the second time-frequency resource set is linear with W4, and the W4 is equal to the quotient of the W2 divided by the W3.

As a sub-embodiment, the first identity is a non-negative integer.

As a sub-embodiment, the user equipment U2 is a user equipment of an RRC idle state (Idle).

As a sub-embodiment, the user equipment U2 is an RRC inactive user equipment.

As a sub-embodiment, the user equipment U2 receives the second signaling and the first signaling by using a given antenna port group.

As an auxiliary embodiment of the sub-instance, the user equipment U2 receives a given SSB (Synchronization Signal Block) by using the given antenna port group, and the given SSB corresponds to a given SSBIndex.

As a sub-embodiment, the first bit block is used to generate the first wireless signal and the second wireless signal, wherein the first wireless signal and the second wireless signal are both One-bit block is sequentially subjected to channel coding, modulation mapper, layer mapper, precoding, resource element mapper, multi-carrier symbol signal generation ( After the Generation).

As a sub-embodiment, the physical layer channel corresponding to the second wireless signal is a PUSCH.

As a sub-embodiment, the transport channel corresponding to the second wireless signal is a UL-SCH.

Example 6

Embodiment 6 illustrates a flow chart of another first wireless signal, as shown in FIG. In Figure 6, base station N3 is the maintenance base station of the serving cell of user equipment U4. In the figure, the step identified as F2 is optional. The sub-embodiments and descriptions in this embodiment can be applied to Embodiment 5 and Embodiment 7 without conflict.

The base station N3, received in step S30, the third radio signal; third signaling transmitted in step S31; first information transmitted in step S32; step S33 in the first pool to determine a first time-frequency resource in the time-frequency a resource set; transmitting, in step S34, the first signaling in the first time-frequency resource set; in step S35, respectively transmitting K1 first-type reference signals in K1 multi-carrier symbols; in step S36, in the second time The first wireless signal is received in the set of frequency resources.

For user equipment U4, in step S40, transmitting a third radio signal; receiving the third signaling in step S41; first information received in step S42; in step S43 a first frequency channel in a resource pool to monitor a first time Receiving, in step S44, the first signaling in the first time-frequency resource set; in step S45, respectively receiving K1 first-type reference signals in K1 multi-carrier symbols; in step S46, in the second time-frequency The first wireless signal is sent in the resource set.

In Embodiment 6, the first signaling is used to determine K1 multi-carrier symbols and a second time-frequency resource set; the first signaling is physical layer signaling, and the K1 first-type reference signals are used. Receiving is used to determine a first antenna port group for transmitting the first wireless signal, the first antenna port group includes a positive integer number of antenna ports; the first wireless signal is transmitted by the user The device U4 is triggered by itself; the K1 is greater than 1, and the K1 receiving parameter groups are respectively applied to the receiving of the K1 first type reference signals, and the first antenna port group is associated with the first receiving parameter group. The first receiving parameter group is one of the K1 receiving parameter groups; the first information is used to indicate the first time-frequency resource pool, and the first time-frequency resource set belongs to the a first time-frequency resource pool; the transmitting of the third wireless signal is based on granting, the second bit block is used to generate the first wireless signal and the third wireless signal; the third signaling is used Instructing whether the third wireless signal is correctly received; The first wireless signal further includes at least a former one of an identifier of the user equipment U4 and a hybrid automatic repeat request process number corresponding to the third wireless signal.

As a sub-embodiment, the hybrid automatic repeat request process number is a HARQ Process ID.

As a sub-embodiment, the user equipment U4 is an RRC connected user equipment.

As a sub-embodiment, the third signaling is used to indicate that the third wireless signal is not received correctly.

As a sub-embodiment, the third signaling is a UCI (Uplink Control Information).

As a sub-embodiment, the generating, by the second bit block, the first wireless signal and the third wireless signal means that the first wireless signal and the third wireless signal are both The two-bit block is sequentially obtained by channel coding, modulation mapper, layer mapper, precoding, resource particle mapper, and multi-carrier symbol signal.

As a sub-embodiment, the physical layer channel corresponding to the third wireless signal is a PUSCH.

As a sub-embodiment, the transport channel corresponding to the third wireless signal is a UL-SCH.

Example 7

Embodiment 7 illustrates a flow chart of a second type of reference signal, as shown in FIG. In Figure 7, base station N5 is the maintenance base station of the serving cell of user equipment U6. The sub-embodiments and descriptions in this embodiment can be applied to Embodiment 5 and Embodiment 6 without conflict.

The base station N5, transmitted at step S50, the second type of reference signal; fourth radio signal received in step S51.

For user equipment U6, received in step S60, the second type of reference signal; fourth radio signal transmitted in step S61.

In Embodiment 7, the measurement result for the second type of reference signal is used to trigger transmission of the fourth wireless signal, and the fourth wireless signal is used by the base station N5 to determine the number in the present application. A collection of two time-frequency resources.

As a sub-embodiment, the measurement result for the second type of reference signal includes RSRP (Reference Signal Received Power).

As a sub-embodiment, the measurement result for the second type of reference signal includes RSRQ (Reference Signal Received Quality).

As a sub-embodiment, the measurement result for the second type of reference signal includes an RSSI (Received Signal Strength Indicator).

As a sub-embodiment, if the difference between the measurements of the second type of reference signals obtained in two adjacent time windows is less than a certain threshold, the transmission of the fourth wireless signal is triggered; otherwise, The transmission of the fourth wireless signal is not triggered.

As a sub-embodiment, if the difference of the average value of the measurement results for the second type of reference signals obtained in two adjacent time windows is less than a certain threshold, the transmission of the fourth wireless signal is triggered; otherwise The transmission of the fourth wireless signal is not triggered.

As an additional embodiment of the two sub-embodiments described above, the particular threshold is configurable.

As an additional embodiment of the two sub-embodiments described above, the particular threshold is fixed.

As a sub-embodiment, if a positive integer number of measurements for the second type of reference signal is obtained in a given time window, the average of the positive integer measurements is equal to a given average, the positive integer The difference between the measurement result and the given average value is less than a given threshold, and the transmission of the fourth wireless signal is triggered; otherwise, the transmission of the fourth wireless signal is not triggered.

As an additional embodiment of the two sub-embodiments described above, the given threshold is configurable.

As an additional embodiment of the two sub-embodiments described above, the given threshold is fixed.

As a sub-embodiment, the fourth wireless signal is used to indicate to the base station N5 that the channel large-scale characteristic of the user equipment U6 is slowly changing.

As a sub-embodiment, the fourth wireless signal is used to indicate to the base station N5 that the user equipment U6 is stationary, or that the moving speed of the user equipment U6 is slow.

As a sub-embodiment, the large-scale characteristics in the present application include {delay spread, Doppler spread, Doppler shift, path loss. One or more of average gain, average delay.

As a sub-embodiment, the base station N5 receives W5 fourth type wireless signals from W5 terminals, and the fourth wireless signal is one of the W5 fourth type wireless signals, the W5 The fourth type of wireless signal is used to indicate that the W5 terminals belong to the first type of terminal; the W5 is related to the number of REs occupied by the first time-frequency resource set, or the W5 and the first candidate The number of REs occupied by the time-frequency resource set is related; the W5 is a positive integer.

As an auxiliary embodiment of the sub-embodiment, the large-scale characteristics corresponding to the terminals included in the first type of terminal are slow.

As an auxiliary embodiment of the sub-embodiment, the terminals included in the first type of terminal are all stationary, or both are moving at a slow speed.

As a sub-embodiment, the second type of reference signal is configured by higher layer signaling.

As a sub-embodiment, the physical layer channel corresponding to the fourth wireless signal is a PUSCH.

As a sub-embodiment, the transport channel corresponding to the fourth wireless signal is a UL-SCH.

Example 8

Embodiment 8 illustrates a schematic diagram of a given set of timing frequency resources, as shown in FIG. In FIG. 8, the given timing frequency resource pool includes Y given first type time-frequency resource sets, and the given timing frequency resource set is the Y-first given first-class time-frequency resource set. First, the Y is a positive integer.

As a sub-instance, the given time-frequency resource set is the first time-frequency resource set in the application, where the M1 first-time time-frequency resource sets in the present application are respectively the Y given A first type of time-frequency resource set, the M1 is equal to the Y, and the given time-frequency resource pool is the first time-frequency resource pool in the application.

As a sub-instance, the given time-frequency resource set is the second time-frequency resource set in the present application, and the positive integer-numbered second-time time-frequency resource set in the present application is respectively the Y A first type of time-frequency resource pool is defined, and the given time-frequency resource pool is the second time-frequency resource pool in the present application.

As a sub-instance, the given time-frequency resource set is the first candidate time-frequency resource set in the application, where the first candidate time-frequency resource pool in the present application includes a positive integer first-class candidate a set of frequency resources, wherein the positive integer number of first time candidate frequency resource sets are respectively the Y first given first time time frequency resource sets, and the given time frequency frequency resource pool is the first candidate in the application. Time-frequency resource pool.

As a sub-instance, the given timing frequency resource set is the second candidate time-frequency resource set in the application, and the second candidate time-frequency resource pool includes a positive integer second-class candidate time-frequency resource set, The positive integer number of second-order candidate time-frequency resource sets are respectively the Y-first given first-time time-frequency resource sets, and the given time-frequency resource pool is the second candidate time-frequency resource pool in the present application.

As a sub-embodiment, the Y given first type of time-frequency resource sets are periodically distributed in the time domain.

As a sub-embodiment, any one of the Y first-order time-frequency resource sets of the given first-class time-frequency resource set occupies Y1 multi-carrier symbol numbers in the time domain, and the Y given A given time-frequency resource set of any one of the time-frequency resource sets occupies Y2 sub-carrier numbers in the frequency domain, and both Y1 and Y2 are positive integers.

As a subsidiary embodiment of this sub-embodiment, the Y1 and the Y2 remain unchanged in the given timing resource pool.

As a sub-embodiment, the given timing frequency resource pool is configured by high layer signaling.

Example 9

Embodiment 9 illustrates a schematic diagram of K1 first type reference signals, as shown in FIG. In FIG. 9, the first type of transmission parameter group in the present application is applied by the base station to the transmission of the K1 first type reference signals, and the K1 receiving parameter groups in the present application are respectively applied by the user equipment. Receiving, by the K1 first type reference signals, the first antenna port group is associated with a first receiving parameter group, and the first receiving parameter group is one of the K1 receiving parameter groups The first antenna port group is used by the user equipment to transmit the first wireless signal; the first antenna port group includes P antenna ports, and the P is a positive integer.

As a sub-embodiment, the P is equal to one.

As a sub-embodiment, the first type of transmission parameter group is applied to the transmission of the K1 first type reference signals, and the second type of reception parameter group is applied to the reception of the first wireless signal, The second type of receiving parameter set is related to the first type of sending parameter set.

As a subsidiary implementation of the sub-embodiment, the K1 first type reference signals are all transmitted by a target antenna port group, and the first type of transmission parameter group includes a beamforming vector corresponding to the target antenna port group.

As a subsidiary implementation of the sub-embodiment, the K1 first-type reference signals are all sent by the target antenna port group, and the first-type transmission parameter group corresponds to the target antenna port group.

As a subsidiary implementation of the sub-embodiment, the first type of transmission parameter group includes: a transmit antenna port, a transmit antenna port group, a transmit beam, an analog beamforming matrix, an analog beamforming vector, and a transmit beamforming. Vector, one or more of the transmission spatial filtering.

As a subsidiary implementation of the sub-embodiment, the second type of receiving parameter set includes: a receiving beam, an receiving analog beam shaping matrix, a receiving analog beamforming vector, a receiving beamforming vector, and a receiving spatial filtering. Or a variety.

As a subsidiary implementation of the sub-instance, the second type of receiving parameter group is related to the first type of sending parameter group, that is, the sending analog beam shaping matrix corresponding to the first type of sending parameter group is used. The receiving analog beam shaping matrix corresponding to the second type of receiving parameter group is used.

As a subsidiary implementation of the sub-instance, the second type of receiving parameter group is related to the first type of sending parameter group, that is, the sending analog beamforming vector corresponding to the first type of sending parameter group is used. And receiving the analog beamforming vector corresponding to the second type of receiving parameter set.

As a subsidiary implementation of the sub-instance, the second type of receiving parameter group is related to the first type of sending parameter group, that is, the sending analog beam corresponding to the first type of sending parameter group is used as the The second type of receiving analog beam corresponding to the receiving parameter group.

As a subsidiary implementation of the sub-instance, the second type of receiving parameter group is related to the first type of sending parameter group, that is, the sending spatial filtering corresponding to the first type of sending parameter group is used as the The second type of receiving parameter filtering corresponding to the receiving parameter group.

As a subsidiary implementation of the sub-instance, the second type of the receiving parameter group is related to the first type of the sending parameter group, and the spatial coverage of the transmitting beam corresponding to the first type of the sending parameter group is The receiving beam corresponding to the second type of receiving parameter group is within the coverage of the space.

As a sub-embodiment, the K1 first type reference signals are all transmitted by a target antenna port group, and receive spatial filtering for the target antenna port group is filtered with transmission space for the first antenna port group.

As a sub-embodiment, receive spatial filtering for the first set of receive parameters is filtered with transmission space for the first set of antenna ports.

As a sub-embodiment, the first receiving parameter set corresponds to a candidate reference signal, and the candidate reference signal is one of the K1 first type reference signals.

As an embodiment of the sub-invention, the user equipment generates candidate measurement results for the candidate reference signals, and the user equipment generates K1 first-type measurement results for the K1 first-class reference signals. The candidate measurement result is the best one of the K1 first type of measurement results.

As an example of the subsidiary embodiment, the candidate measurement result is one of RSRP, RSRQ, RSSI, and SNR.

As an example of the subsidiary embodiment, the first type of measurement result of any one of the K1 first type measurement results is one of RSRP, RSRQ, RSSI, and SNR.

Example 10

Embodiment 10 illustrates a schematic diagram of a first candidate time-frequency resource set and a second candidate time-frequency resource set, as shown in FIG. In FIG. 10, the first candidate time-frequency resource pool in the present application includes M2 first-class candidate time-frequency resource sets, and the second candidate time-frequency resource pool in the present application includes M2 second-class candidates. a set of time-frequency resources, wherein the M2 first-type candidate time-frequency resource sets are respectively in one-to-one correspondence with the M2 second-class candidate time-frequency resource sets; the first candidate time-frequency resource set is the M2 first One of the candidate time-frequency resource sets, the second candidate time-frequency resource set is the second class of the M2 second-class candidate time-frequency resource sets corresponding to the first candidate time-frequency resource set a set of candidate time-frequency resources; the second time-frequency resource set in the present application is also shown in FIG. 10, where the second time-frequency resource set is located after the second candidate time-frequency resource set in the time domain; The second set of time-frequency resources is associated with the second set of candidate time-frequency resources.

As a sub-embodiment, the first type of candidate time-frequency resource set is any one of the M2 first-class candidate time-frequency resource sets, and the second-type candidate time-frequency resource set is the M2 first. a second type of candidate time-frequency resource set corresponding to the given first-class candidate time-frequency resource set in the second-class candidate time-frequency resource set; the given first-type candidate time-frequency resource set is used for exemption Given a downlink data transmission, the given second type of candidate time-frequency resource set is used for the downlink feedback of the grant-free given uplink data transmission.

As a subsidiary embodiment of this sub-embodiment, the downlink feedback includes a HARQ-ACK.

As a sub-embodiment, the uplink data transmitted in the second time-frequency resource set is used for retransmission of the uplink data transmitted in the first candidate time-frequency resource set.

As an additional embodiment of this sub-embodiment, the transmission of the upstream data is exempt from granting.

Example 11

Embodiment 11 illustrates a schematic diagram of a third wireless signal and a third signaling, as shown in FIG. The second time-frequency resource set in the present application is further shown in FIG. 11 , where the second time-frequency resource set is located after the time domain resource occupied by the third signaling; The set of two time-frequency resources is associated with a time-frequency resource occupied by the third wireless signal.

As a sub-embodiment, uplink data transmitted in the second time-frequency resource set is used for retransmission of the third wireless signal.

As a sub-embodiment, the third wireless signal is based on an uplink granted transmission.

As a sub-embodiment, the third signaling is downlink feedback for the third wireless signal.

As a subsidiary embodiment of this sub-embodiment, the downlink feedback includes a HARQ-ACK.

Example 12

Embodiment 12 illustrates a schematic diagram of a second type of reference signal, as shown in FIG. In FIG. 12, the second type of reference signal includes P1 second type sub-reference signals, and the P1 is a positive integer.

As a sub-embodiment, the P1 is equal to one.

As a sub-embodiment, the P1 second-class sub-reference signals adopt the same transmission parameter group.

As a sub-embodiment, the P1 second-class sub-reference signals are sent in a Sweeping manner.

As a sub-embodiment, the P1 second-class sub-reference signals are generated by the same sequence.

As a sub-embodiment, the P1 second-type sub-reference signals respectively occupy P1 multi-carrier symbols, and the P1 multi-carrier symbols are orthogonal in the time domain.

As a sub-embodiment, the P1 second-class sub-reference signals are transmitted using the same antenna port group.

As a sub-embodiment, the P1 second-class sub-reference signals are transmitted by using P1 different antenna port groups.

As a sub-embodiment, the P1 second-type sub-reference signals respectively correspond to P1 coverage areas, and the second-type sub-reference signal is one of the P1 second-type sub-reference signals, given coverage. An area is a coverage area of the P1 coverage areas corresponding to the given second type of sub-reference signal, the given second type of sub-reference signal being used to determine a stationary user equipment in the given coverage area quantity.

As a sub-embodiment, the P1 second-type sub-reference signals respectively correspond to P1 coverage areas, and the second-type sub-reference signal is one of the P1 second-type sub-reference signals, given coverage. An area is a coverage area of the P1 coverage areas corresponding to the given second type of sub-reference signal, and the given second type of sub-reference signal is used to determine that the moving speed in the given coverage area is lower than The number of user devices that are thresholded.

Example 13

Embodiment 13 illustrates a schematic diagram of an antenna port and an antenna port group, as shown in FIG.

In Embodiment 13, one antenna port group includes a positive integer number of antenna ports; one antenna port is formed by superposition of antennas in a positive integer number of antenna groups by antenna virtualization; one antenna group includes a positive integer antenna. An antenna group is connected to the baseband processor through an RF (Radio Frequency) chain, and different antenna groups correspond to different RF chains. A mapping coefficient of all antennas within a positive integer number of antenna groups included in a given antenna port to the given antenna port constitutes a beamforming vector corresponding to the given antenna port. The mapping coefficients of the plurality of antennas included in any given antenna group included in a given integer number of antenna groups included in the given antenna port to the given antenna port constitute an analog beamforming vector of the given antenna group. The diagonal arrangement of the analog beamforming vectors corresponding to the positive integer antenna groups constitutes an analog beam shaping matrix corresponding to the given antenna port. The mapping coefficients of the positive integer number of antenna groups to the given antenna port constitute a digital beamforming vector corresponding to the given antenna port. The beamforming vector corresponding to the given antenna port is obtained by multiplying the analog beam shaping matrix and the digital beam shaping vector corresponding to the given antenna port. Different antenna ports in one antenna port group are composed of the same antenna group, and different antenna ports in the same antenna port group correspond to different beamforming vectors.

Two antenna port groups are shown in Figure 13: antenna port group #0 and antenna port group #1. The antenna port group #0 is composed of an antenna group #0, and the antenna port group #1 is composed of an antenna group #1 and an antenna group #2. The mapping coefficients of the plurality of antennas in the antenna group #0 to the antenna port group #0 constitute an analog beamforming vector #0, and the mapping coefficients of the antenna group #0 to the antenna port group #0 constitute a number Beamforming vector #0. The mapping coefficients of the plurality of antennas in the antenna group #1 and the plurality of antennas in the antenna group #2 to the antenna port group #1 constitute an analog beamforming vector #1 and an analog beamforming vector #, respectively. 2. The mapping coefficients of the antenna group #1 and the antenna group #2 to the antenna port group #1 constitute a digital beamforming vector #1. A beamforming vector corresponding to any one of the antenna port groups #0 is obtained by multiplying the analog beamforming vector #0 and the digital beamforming vector #0. The beamforming vector corresponding to any antenna port in the antenna port group #1 is an analog beam shaping matrix formed by diagonally arranging the analog beamforming vector #1 and the analog beamforming vector #2 Obtained from the product of the digital beamforming vector #1.

As a sub-embodiment, the first antenna port group in the present application corresponds to the antenna port group #0 in the figure, or the antenna port group in the first antenna port group corresponding figure in the present application. #1.

As a sub-embodiment, one antenna port group includes one antenna port. For example, the antenna port group #0 in FIG. 13 includes one antenna port.

As an embodiment of the foregoing sub-embodiment, the analog beam shaping matrix corresponding to the one antenna port is reduced to an analog beamforming vector, and the digital beamforming vector corresponding to the one antenna port is reduced to a scalar. The beamforming vector corresponding to the one antenna port is equal to the analog beamforming vector corresponding to the one antenna port.

As a sub-embodiment, one antenna port group includes a plurality of antenna ports. For example, the antenna port group #1 in FIG. 13 includes a plurality of antenna ports.

As an additional embodiment of the above sub-embodiment, the plurality of antenna ports correspond to the same analog beam shaping matrix and different digital beamforming vectors.

As a sub-embodiment, antenna ports in different antenna port groups correspond to different analog beam shaping matrices.

As a sub-embodiment, any two antenna ports in one antenna port group are QCL (Quasi-Colocated).

As a sub-embodiment, any two antenna ports in an antenna port group are spatial QCL.

Example 14

Embodiment 14 exemplifies a structural block diagram of a processing device in a UE, as shown in FIG. In FIG. 14, the UE processing apparatus 1400 is mainly composed of a first transceiver module 1401, a first receiver module 1402, and a second transceiver module 1403.

The first transceiver module 1401 receives the first signaling in the first time-frequency resource set, where the first signaling is used to determine K1 multi-carrier symbols and a second time-frequency resource set, where K1 is a positive integer;

The first receiver module 1402 receives K1 first type reference signals respectively in the K1 multicarrier symbols;

The second transceiver module 1403 transmits the first wireless signal in the second time-frequency resource set;

In Embodiment 14, the first signaling is physical layer signaling, and the receiving of the K1 first type reference signals is used to determine a first antenna port group for transmitting the first wireless signal, The first antenna port group includes a positive integer number of antenna ports; the sending of the first wireless signal is triggered by the user equipment.

As a sub-embodiment, the K1 is greater than 1, and K1 receiving parameter groups are respectively applied to the receiving of the K1 first type reference signals, and the first antenna port group is associated with the first receiving parameter group. The first receiving parameter group is one of the K1 receiving parameter groups.

As a sub-embodiment, the first transceiver module 1401 further receives first information and monitors the first signaling in a first time-frequency resource pool; the first information is used to indicate the first time The frequency resource pool, the first time-frequency resource set belongs to the first time-frequency resource pool.

As a sub-embodiment, the first transceiver module 1401 further sends a second wireless signal in a first candidate time-frequency resource set and a second signaling in a second candidate time-frequency resource set; the second signal The command is used to indicate whether the second wireless signal is correctly received, the first bit block is used to generate the first wireless signal and the second wireless signal; the sending of the second wireless signal is exempt from granting One of the following is used to trigger the sending of the first wireless signal in the second set of time-frequency resources:

The user equipment does not detect the second signaling in the second candidate time-frequency resource set;

The second signaling indicates that the second wireless signal was not received correctly.

As a sub-embodiment, the first transceiver module 1401 further sends a target wireless signal; the target wireless signal is used to indicate a first identifier, and the user equipment adopts the first identifier.

As a sub-embodiment, the second transceiver module 1403 further transmits a third wireless signal and receives the third signaling; the sending of the third wireless signal is based on granting, and the second bit block is used to generate the a first wireless signal and the third wireless signal; the third signaling is used to indicate whether the third wireless signal is correctly received; the first wireless signal further includes an identifier of the user equipment and the At least the former of the hybrid automatic repeat request process numbers corresponding to the third wireless signal.

As a sub-embodiment, the first transceiver module 1401 further receives a second type of reference signal and transmits a fourth wireless signal; a measurement result for the second type of reference signal is used to trigger the fourth wireless signal And transmitting, the fourth wireless signal is used by a sender of the first signaling to determine the second time-frequency resource set.

As a sub-embodiment, the first transceiver module 1401 includes at least the first four of the receiver/transmitter 456, the receive processor 452, the transmit processor 455, and the controller/processor 490 in Embodiment 4.

As a sub-embodiment, the first receiver module 1402 includes at least the first two of the receiver 456, the receiving processor 452, and the controller/processor 490 in Embodiment 4.

As a sub-embodiment, the second transceiver module 1403 includes at least the first four of the receiver/transmitter 456, the receive processor 452, the transmit processor 455, and the controller/processor 490 in Embodiment 4.

Example 15

Embodiment 15 exemplifies a structural block diagram of a processing device in a base station device, as shown in FIG. In FIG. 15, the base station device processing apparatus 1500 is mainly composed of a third transceiver module 1501, a first transmitter module 1502, and a fourth transceiver module 1503.

The third transceiver module 1501 sends a first signaling in the first time-frequency resource set, where the first signaling is used to determine K1 multi-carrier symbols and a second time-frequency resource set, where K1 is a positive integer;

The first transmitter module 1502 sends K1 first type reference signals respectively in the K1 multicarrier symbols;

The fourth transceiver module 1503 receives the first wireless signal in the second time-frequency resource set;

In Embodiment 15, the first signaling is physical layer signaling, and the receiving of the K1 first type reference signals is used to determine a first antenna port group for transmitting the first wireless signal, where The first antenna port group includes a positive integer number of antenna ports; the transmission of the first wireless signal is triggered by the sender of the first wireless signal.

As a sub-embodiment, the K1 is greater than 1, and K1 receiving parameter groups are respectively applied to the receiving of the K1 first type reference signals, and the first antenna port group is associated with the first receiving parameter group. The first receiving parameter group is one of the K1 receiving parameter groups.

As a sub-embodiment, the third transceiver module 1501 further sends the first information and determines the first time-frequency resource set in the first time-frequency resource pool; the first information is used to indicate the The first time-frequency resource pool belongs to the first time-frequency resource pool.

As a sub-embodiment, the third transceiver module 1501 further receives a second wireless signal in a first candidate time-frequency resource set and a second signaling in a second candidate time-frequency resource set; the second signal The command is used to indicate whether the second wireless signal is correctly received, the first bit block is used to generate the first wireless signal and the second wireless signal; the sending of the second wireless signal is exempt from granting One of the following is used to trigger the sending of the first wireless signal in the second set of time-frequency resources:

The sender of the second wireless signal does not monitor the second signaling in the second candidate time-frequency resource set;

The second signaling indicates that the second wireless signal was not received correctly.

As a sub-embodiment, the third transceiver module 1501 further receives a target wireless signal; the target wireless signal is used to indicate a first identity, and the sender of the target wireless signal adopts the first identity.

As a sub-embodiment, the fourth transceiver module 1503 further receives a third wireless signal and transmits third signaling; the sending of the third wireless signal is based on granting, and the second bit block is used to generate the a first wireless signal and the third wireless signal; the third signaling is used to indicate whether the third wireless signal is correctly received; the sender of the third wireless signal transmits the first wireless signal, The first wireless signal further includes at least a former one of an identifier of the sender of the third wireless signal and a hybrid automatic repeat request process number corresponding to the third wireless signal.

As a sub-embodiment, the third transceiver module 1501 further transmits a second type of reference signal and receives a fourth wireless signal; a measurement result for the second type of reference signal is used to trigger the fourth wireless signal And transmitting, the fourth wireless signal is used by the base station to determine the second time-frequency resource set.

As a sub-embodiment, the third transceiver module 1501 includes at least the first four of the receiver/transmitter 416, the transmit processor 415, the receive processor 412, and the controller/processor 440 in Embodiment 4.

As a sub-embodiment, the first transmitter module 1502 includes at least the first two of the transmitter 416, the transmit processor 415, and the controller/processor 440 in Embodiment 4.

As a sub-embodiment, the fourth transceiver module 1503 includes at least the first four of the receiver/transmitter 416, the transmit processor 415, the receive processor 412, and the controller/processor 440 in Embodiment 4.

One of ordinary skill in the art can appreciate that all or part of the above steps can be completed by a program to instruct related hardware, and the program can be stored in a computer readable storage medium such as a read only memory, a hard disk or an optical disk. Alternatively, all or part of the steps of the above embodiments may also be implemented using one or more integrated circuits. Correspondingly, each module unit in the above embodiment may be implemented in hardware form or in the form of a software function module. The application is not limited to any specific combination of software and hardware. The user equipment, terminal and UE in the present application include but are not limited to a drone, a communication module on the drone, a remote control aircraft, an aircraft, a small aircraft, a mobile phone, a tablet computer, a notebook, a vehicle communication device, a wireless sensor, an internet card, Internet of Things terminal, RFID terminal, NB-IOT terminal, MTC (Machine Type Communication) terminal, eMTC (enhancedMTC, enhanced MTC) terminal, data card, network card, vehicle communication device, low-cost mobile phone, low cost Devices such as tablets. The base station in the present application includes, but is not limited to, a macro communication base station, a micro cell base station, a home base station, a relay base station, a gNB (NR Node B), a TRP (Transmitter Receiver Point), and the like.

The above is only the preferred embodiment of the present application and is not intended to limit the scope of the present application. Any modifications, equivalents, improvements, etc. made within the spirit and principles of the present application are intended to be included within the scope of the present application.

Claims (16)

A method for use in a user equipment for wireless communication, comprising: Receiving first signaling in a first time-frequency resource set, where the first signaling is used to determine K1 multi-carrier symbols and a second time-frequency resource set, where K1 is a positive integer; K1 first type reference signals are respectively received in the K1 multicarrier symbols; Transmitting, in the second time-frequency resource set, a first wireless signal; The first signaling is physical layer signaling, and the receiving, for the K1 first type reference signals, is used to determine a first antenna port group for transmitting the first wireless signal, the first The antenna port group includes a positive integer number of antenna ports; the transmission of the first wireless signal is triggered by the user equipment. The method according to claim 1, wherein said K1 is greater than 1, and K1 reception parameter sets are respectively applied to reception of said K1 first type reference signals, said first antenna port group being associated to And a first receiving parameter group, where the first receiving parameter group is one of the K1 receiving parameter groups. The method of claim 1 or 2, comprising: Receiving the first information; Monitoring the first signaling in a first time-frequency resource pool; The first information is used to indicate the first time-frequency resource pool, and the first time-frequency resource set belongs to the first time-frequency resource pool. A method according to any one of claims 1 to 3, comprising: Transmitting a second wireless signal in the first candidate time-frequency resource set; Monitoring the second signaling in the second candidate time-frequency resource set; The second signaling is used to indicate whether the second wireless signal is correctly received, and the first bit block is used to generate the first wireless signal and the second wireless signal; the second wireless The sending of the signal is exempt from granting; one of the following is used to trigger the sending of the first wireless signal in the second set of time-frequency resources: The user equipment does not detect the second signaling in the second candidate time-frequency resource set; The second signaling indicates that the second wireless signal was not received correctly. A method according to any one of claims 1 to 4, comprising: Sending a target wireless signal; The target wireless signal is used to indicate a first identifier, and the user equipment adopts the first identifier. A method according to any one of claims 1 to 3, comprising: Sending a third wireless signal; Receiving third signaling; Wherein the sending of the third wireless signal is based on granting, the second bit block is used to generate the first wireless signal and the third wireless signal; the third signaling is used to indicate the Whether the third wireless signal is correctly received; the first wireless signal further includes at least the former of the identifier of the user equipment and the hybrid automatic repeat request process number corresponding to the third wireless signal. A method according to any one of claims 1 to 6, comprising: Receiving a second type of reference signal; Sending a fourth wireless signal; Wherein the measurement result for the second type of reference signal is used to trigger the transmission of the fourth wireless signal, and the fourth wireless signal is used by the sender of the first signaling to determine the second time Frequency resource collection. A method in a base station used for wireless communication, comprising: Transmitting first signaling in a first time-frequency resource set, where the first signaling is used to determine K1 multi-carrier symbols and a second time-frequency resource set, where K1 is a positive integer; Transmitting K1 first type reference signals in the K1 multicarrier symbols; Receiving, in the second time-frequency resource set, a first wireless signal; The first signaling is physical layer signaling, and the receiving, for the K1 first type reference signals, is used to determine a first antenna port group for transmitting the first wireless signal, the first The antenna port group includes a positive integer number of antenna ports; the transmission of the first wireless signal is triggered by the sender of the first wireless signal. The method according to claim 8, wherein said K1 is greater than 1, and K1 reception parameter sets are respectively applied to reception of said K1 first type reference signals, said first antenna port group being associated to And a first receiving parameter group, where the first receiving parameter group is one of the K1 receiving parameter groups. The method of claim 8 or 9, comprising: Send the first message; Determining, in the first time-frequency resource pool, the first time-frequency resource set; The first information is used to indicate the first time-frequency resource pool, and the first time-frequency resource set belongs to the first time-frequency resource pool. A method according to any one of claims 8 to 10, comprising: Receiving a second wireless signal in the first candidate time-frequency resource set; Transmitting the second signaling in the second candidate time-frequency resource set; The second signaling is used to indicate whether the second wireless signal is correctly received, and the first bit block is used to generate the first wireless signal and the second wireless signal; the second wireless The sending of the signal is exempt from granting; one of the following is used to trigger the sending of the first wireless signal in the second set of time-frequency resources: The sender of the second wireless signal does not monitor the second signaling in the second candidate time-frequency resource set; The second signaling indicates that the second wireless signal was not received correctly. A method according to any one of claims 8 to 11, comprising: Receiving a target wireless signal; The target wireless signal is used to indicate a first identifier, and the sender of the target wireless signal adopts the first identifier. A method according to any one of claims 8 to 10, comprising: Receiving a third wireless signal; Sending third signaling; Wherein the sending of the third wireless signal is based on granting, the second bit block is used to generate the first wireless signal and the third wireless signal; the third signaling is used to indicate the Whether the third wireless signal is correctly received; the sender of the third wireless signal transmits the first wireless signal, the first wireless signal further including an identifier of the sender of the third wireless signal and the At least the former of the hybrid automatic repeat request process numbers corresponding to the three wireless signals. A method according to any one of claims 8 to 13, comprising: Sending a second type of reference signal; Receiving a fourth wireless signal; The measurement result for the second type of reference signal is used to trigger transmission of the fourth wireless signal, and the fourth wireless signal is used by the base station to determine the second time-frequency resource set. A user equipment used for wireless communication, comprising: The first transceiver module receives the first signaling in the first time-frequency resource set, where the first signaling is used to determine K1 multi-carrier symbols and a second time-frequency resource set, where K1 is a positive integer; a first receiver module, respectively, receiving K1 first type reference signals in the K1 multicarrier symbols; The second transceiver module sends the first wireless signal in the second time-frequency resource set; The first signaling is physical layer signaling, and the receiving, for the K1 first type reference signals, is used to determine a first antenna port group for transmitting the first wireless signal, the first The antenna port group includes a positive integer number of antenna ports; the transmission of the first wireless signal is triggered by the user equipment. A base station device used for wireless communication, comprising: The third transceiver module sends the first signaling in the first time-frequency resource set, where the first signaling is used to determine K1 multi-carrier symbols and a second time-frequency resource set, where K1 is a positive integer; a first transmitter module, configured to respectively transmit K1 first type reference signals in the K1 multicarrier symbols; The fourth transceiver module receives the first wireless signal in the second time-frequency resource set; The first signaling is physical layer signaling, and the receiving, for the K1 first type reference signals, is used to determine a first antenna port group for transmitting the first wireless signal, the first The antenna port group includes a positive integer number of antenna ports; the transmission of the first wireless signal is triggered by the sender of the first wireless signal.

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