WO2019126939A1

WO2019126939A1 - Method and device used in user equipment and base station for wireless communication

Info

Publication number: WO2019126939A1
Application number: PCT/CN2017/118301
Authority: WO
Inventors: 陈晋辉; 张晓博
Original assignee: 南通朗恒通信技术有限公司
Priority date: 2017-12-25
Filing date: 2017-12-25
Publication date: 2019-07-04
Also published as: CN113473491A; CN113556751A; CN111108698A; CN113473491B; CN111108698B

Abstract

Disclosed are a method and a device used in user equipment and a base station for wireless communication. The user equipment successively receives first control information and sends a first wireless signal; the first control information is used for determining a first set of spatial parameters; the first set of spatial parameters comprises a spatial parameter associated with an uplink wireless signal of the user equipment on a first frequency sub-band; a target group of spatial parameters comprises at least one spatial parameter not belonging to the first set of spatial parameters; and the target group of spatial parameters is used for updating the spatial parameter associated with the uplink wireless signal of the user equipment on the first frequency sub-band. The present application accelerates the recovery of an uplink beam, and solves the problem of uplink beam allocation failure due to user equipment not being able to carry out uplink channel access through a beam associated with an uplink wireless signal on an unauthorized frequency spectrum.

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 supporting beam management on Unlicensed Spectrum.

Background technique

In the traditional 3GPP (3rd Generation Partner Project) LTE (Long-term Evolution) system, data transmission can only occur on the licensed spectrum, but with the sharp increase of traffic, especially In some urban areas, licensed spectrum may be difficult to meet the demand for traffic. The communication on the unlicensed spectrum in Release 13 and Release 14 is introduced by the cellular system and used for the transmission of downlink and uplink data. To ensure compatibility with access technologies on other unlicensed spectrums, LBT (Listen Before Talk) technology is adopted by LAA (Licensed Assisted Access) to avoid multiple transmitters occupying the same time. The interference caused by the frequency resources.

At present, the technical discussion of 5G NR (New Radio Access Technology) is underway, among which Massive MIMO (Multi-Input Multi-Output) is a research hotspot of next-generation mobile communication. In large-scale MIMO, to ensure that the user equipment can flexibly switch between multiple beams, the related process of Beam Management is defined and adopted in the 5G NR. The user equipment can dynamically pass the BRR (Beam Recovery Request, A beam reply request) recommends a Candidate Beam to the base station to replace the current Serving Beam, and then the base station transmits a BRR Response on the recommended candidate beam to the user equipment in a predefined time window. It is confirmed that the above BRR has been known by the base station, and the new candidate beam is used to transmit signals in subsequent scheduling. When the above process is applied to the unlicensed spectrum, the new mechanism needs to be designed.

Summary of the invention

When the process of the beam management is performed on the unlicensed spectrum, the UE (User Equipment) needs to perform the LBT before the uplink transmission, and the uplink beam allocated by the base station to the UE may not pass the UE side LBT, and thus cannot be used. problem.

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 control information, where the first control information is used to determine a first spatial parameter set, where the first spatial parameter set includes a spatial parameter associated with an uplink wireless signal of the user equipment on a first sub-band;

Transmitting a first wireless signal, the first wireless signal being used to determine a target spatial parameter set;

The target spatial parameter group includes at least one spatial parameter that does not belong to the first spatial parameter set, and the target spatial parameter group is used to update an uplink wireless signal of the user equipment on the first sub-band The associated spatial parameter.

As an embodiment, the above method is used to switch the uplink of the unlicensed spectrum.

As an embodiment, it is common knowledge that beam recovery is used for downlink transmission, and the above method uses beam recovery for uplink transmission, and thus the above method is innovative.

As an embodiment, it is common knowledge that the receiver of the wireless signal initiates a beam recovery request, and the above method is that the sender of the wireless signal initiates a beam recovery request, and thus the above method is innovative.

As an embodiment, the foregoing method has the following advantages: the UE side can determine the availability of the current uplink signal beam according to the measurement of the received signal and recommend a new beam for transmitting or receiving the uplink signal, thereby shortening the uplink beam recovery time. Delay.

As an embodiment, another advantage of the foregoing method is that the UE side can determine the quality of the current uplink signal beam according to the result of the energy detection and recommend a new beam for transmitting or receiving the uplink signal, thereby shortening the delay of the uplink beam recovery. .

As an embodiment, another advantage of the foregoing method is that the UE side can use the licensed spectrum to send a beam recovery request for the unlicensed spectrum uplink signal, thereby ensuring the reliability of the unlicensed uplink beam recovery request.

As an embodiment, another advantage of the foregoing method is that the UE side can use the symmetry of the uplink and downlink channels in the TDD system to send an uplink beam recovery request according to the measurement of the downlink signal, thereby shortening the delay of the uplink beam recovery.

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

The third control information is monitored within the first time window, the third control information being used to determine a spatial parameter associated with the updated uplink wireless signal of the user equipment on the first sub-band.

As an embodiment, the foregoing method has the advantages that the UE side performs the beam switching operation under the confirmation of the base station, and ensures that the two sides perform beam switching at the same time, thereby improving the robustness of the uplink beam switching.

According to an aspect of the present application, characterized in that it comprises:

Performing energy detection on the first sub-band to determine a first set of spatial parameters;

The first spatial parameter group is associated with the target spatial parameter group.

As an embodiment, the foregoing method has the following advantages: the UE side can determine, according to the result of the energy detection, that the current uplink signal beam is not applicable to the uplink wireless signal transmission, thereby initiating an uplink beam switching request.

As an embodiment, the foregoing method has the following advantages: the UE side may determine that there is a beam for uplink radio signal transmission with good quality according to the result of the energy detection, so as to initiate an uplink beam switching request.

According to an aspect of the present application, the energy detection includes a first measurement, the first measurement adopting a second spatial parameter set; wherein the third spatial parameter set is associated with the second spatial parameter set a spatial parameter group, the third spatial parameter group belongs to the first spatial parameter set, and the result of the first measurement is used to trigger transmission of the first wireless signal, and the target spatial parameter group is used The third spatial parameter set is replaced.

According to an aspect of the present application, the energy detection includes K measurements, wherein the K measurements respectively use K spatial parameter sets; wherein the first spatial parameter set is the K spatial parameter sets A set of spatial parameters in the K, which is a positive integer.

As an embodiment, the foregoing method has the following advantages: the UE side may determine that there is a beam for uplink radio signal transmission with good quality according to the result of performing energy detection by using multiple receiving beams, thereby initiating an uplink beam switching request.

According to an aspect of the application, the above method is characterized in that it comprises

Receiving second control information, the second control information being used to determine a first time resource set;

The user equipment performs energy detection on the first sub-band on the time resource in the first time resource set to determine the first spatial parameter group, where the first time unit is the first time Any one of the time units within the set of resources, the energy detection performed on the first sub-band on the first time unit and whether the user equipment is used on a time resource immediately following the first time unit The frequency domain resources in the first sub-band are independent of the transmission of the wireless signal.

As an embodiment, the method is characterized in that the base station performs energy detection according to the time resource allocated to the UE according to the need, and the result of the energy detection performed by the UE in the specific time resource is used only for uplink beam recovery, and is not used for uplink wireless. Signal transmission.

As an embodiment, the above method has the advantages of ensuring that the time resources used for measuring the uplink beam recovery requirement are ensured without excessively affecting the transmission efficiency and the calling mechanism of the system.

According to an aspect of the present application, the above method is characterized in that the transmission of the first wireless signal is triggered by at least one of:

When all the spatial parameters in the first set of spatial parameters are used, the measurement result of the energy detection is lower than the first threshold;

When the partial spatial parameters of the first spatial parameter set are adopted, the measurement results of the energy detection are lower than the first threshold;

When the target spatial parameter in the target spatial parameter group is adopted, the measurement result of the energy detection is not lower than the second threshold.

As an embodiment, the above method is characterized in that the first threshold and the second threshold are used for comparison with the power obtained by energy detection.

As an embodiment, the above method has the advantage that the transmission of the uplink beam recovery request is managed by setting a threshold, thereby increasing the flexibility of the system.

Receiving L reference signal groups on the first sub-band;

The fourth spatial parameter group is a spatial parameter group used to transmit or receive the first reference signal group, and the first reference signal group is one of the L reference signal groups, the fourth A spatial parameter set is associated with the target spatial parameter set, the L being a positive integer.

As an embodiment, the above method is characterized in that the UE recommends a beam for uplink transmission or reception by measuring the downlink reference signal group.

Sending a second wireless signal, where the updated spatial parameter associated with the uplink wireless signal of the user equipment on the first sub-band is used to transmit or receive the second wireless signal.

The present application discloses a method in a base station device used for wireless communication, and the method is characterized in that it comprises:

Transmitting first control information, where the first control information is used to determine a first spatial parameter set;

Receiving a first wireless signal, the first wireless signal being used to determine a target spatial parameter set;

The first spatial parameter set includes a spatial parameter associated with an uplink wireless signal of the sender of the first wireless signal on the first sub-band, the target spatial parameter group including at least one not belonging to the a spatial parameter of the first set of spatial parameters, the set of target spatial parameters being used to update a spatial parameter associated with an uplink wireless signal of the sender of the first wireless signal on the first sub-band.

Transmitting third control information in a first time window, the third control information indicating a spatial parameter associated with the updated uplink wireless signal of the sender of the first wireless signal on the first sub-band.

According to an aspect of the present application, the above method is characterized in that the sender of the first wireless signal performs energy detection on the first sub-band to determine a first spatial parameter set; wherein the first spatial parameter set and The target spatial parameter group is associated.

According to an aspect of the present application, the method is characterized in that the energy detection comprises a first measurement, the first measurement adopts a second spatial parameter set; wherein the third spatial parameter set is associated with the second spatial parameter set a spatial parameter group, the third spatial parameter group belongs to the first spatial parameter set, and the result of the first measurement is used to trigger transmission of the first wireless signal, and the target spatial parameter group is used Substituting the third spatial parameter set.

According to an aspect of the present application, the method is characterized in that the energy detection comprises K measurements, wherein the K measurements respectively use K spatial parameter sets; wherein the first spatial parameter set is the K spatial parameters A set of spatial parameters in the group, the K being a positive integer.

According to an aspect of the present application, the above method is characterized in that it comprises

Transmitting second control information, where the second control information is used to determine a first time resource set;

The sender of the first wireless signal performs energy detection on the first sub-band on the time resource in the first set of time resources to determine the first spatial parameter group, where the first time unit is And detecting, by any one of the first time resource groups, energy detection performed on the first sub-band on the first time unit and whether the sender of the first wireless signal is following the The time resource on the first time unit is independent of the use of the frequency domain resources in the first sub-band to transmit the wireless signal.

When all the spatial parameters in the first set of spatial parameters are adopted, the measurement results of the energy detection are lower than the first threshold;

Transmitting L reference signal groups on the first sub-band;

Receiving a second wireless signal, the spatial parameter associated with the updated uplink wireless signal of the sender of the first wireless signal being used to transmit or receive the second wireless signal.

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

a first receiver module, configured to receive first control information, where the first control information is used to determine a first spatial parameter set, where the first spatial parameter set includes an uplink wireless signal of the user equipment on a first sub-band Associated spatial parameters;

a second transmitter module, transmitting a first wireless signal, the first wireless signal being used to determine a target spatial parameter set;

As an embodiment, the user equipment used for wireless communication is characterized in that the first receiver module monitors third control information in a first time window, and the third control information is used to determine the updated a spatial parameter associated with the uplink wireless signal of the user equipment on the first sub-band.

As an embodiment, the user equipment used for wireless communication is characterized in that the first receiver module performs energy detection on the first sub-band to determine a first spatial parameter group; wherein the first A spatial parameter group is associated with the target spatial parameter group.

As an embodiment, the foregoing user equipment used for wireless communication is characterized in that the energy detection includes a first measurement, the first measurement adopts a second spatial parameter group; wherein the third spatial parameter group is the first a spatial parameter group associated with the second spatial parameter group, the third spatial parameter group belongs to the first spatial parameter set, and the result of the first measurement is used to trigger transmission of the first wireless signal, A target spatial parameter set is used to replace the third spatial parameter set.

As an embodiment, the user equipment used for wireless communication is characterized in that the energy detection includes K measurements, and the K measurements respectively adopt K spatial parameter groups; wherein the first spatial parameter group is One of the K spatial parameter groups, the K being a positive integer.

As an embodiment, the foregoing user equipment used for wireless communication is characterized in that the first receiver module receives second control information, and the second control information is used to determine a first time resource set; Performing, by the user equipment, energy detection on the first sub-band on the time resource in the first time resource set to determine the first spatial parameter group, where the first time unit is within the first time resource set Any one of the time units, the energy detection performed on the first sub-band on the first time unit and whether the user equipment uses the first time on a time resource immediately following the first time unit The frequency domain resources in the sub-band are independent of the transmission of the wireless signal.

As an embodiment, the above user equipment used for wireless communication is characterized in that the transmission of the first wireless signal is triggered by at least one of:

As an embodiment, the user equipment used for wireless communication is characterized in that the first receiver module receives L reference signal groups on the first sub-band; wherein the fourth spatial parameter group is used And transmitting or receiving a spatial parameter group of the first reference signal group, the first reference signal group is one of the L reference signal groups, the fourth spatial parameter group and the target spatial parameter group Associated, the L is a positive integer.

As an embodiment, the foregoing user equipment used for wireless communication is characterized in that the first transmitter module sends a second wireless signal, and the updated uplink of the user equipment on the first sub-band The spatial parameters associated with the wireless signal are used to transmit or receive the second wireless signal.

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

The first transmitter module sends first control information, where the first control information is used to determine a first spatial parameter set;

a second receiver module receiving a first wireless signal, the first wireless signal being used to determine a target spatial parameter set;

As an embodiment, the base station device used for wireless communication is characterized in that the first transmitter module transmits third control information in a first time window, and the third control information indicates the updated A spatial parameter associated with the upstream wireless signal of the sender of the wireless signal on the first sub-band.

As an embodiment, the base station device used for wireless communication is characterized in that the sender of the first wireless signal performs energy detection on the first sub-band to determine a first spatial parameter set; wherein A first spatial parameter set is associated with the target spatial parameter set.

As an embodiment, the base station device used for wireless communication is characterized in that the energy detection includes a first measurement, and the first measurement adopts a second spatial parameter group; wherein the third spatial parameter group is the first a spatial parameter group associated with the second spatial parameter group, the third spatial parameter group belongs to the first spatial parameter set, and the result of the first measurement is used to trigger transmission of the first wireless signal, A target spatial parameter set is used to replace the third spatial parameter set.

As an embodiment, the base station device used for wireless communication is characterized in that the energy detection includes K measurements, and the K measurements respectively adopt K spatial parameter groups; wherein the first spatial parameter group is One of the K spatial parameter groups, the K being a positive integer.

As an embodiment, the base station device used for wireless communication is characterized in that the first transmitter module sends second control information, and the second control information is used to determine a first time resource set; wherein The sender of the first wireless signal performs energy detection on the first sub-band on the time resource within the first set of time resources to determine the first set of spatial parameters, the first time unit being the first Any one of the time units within the set of time resources, the energy detection performed on the first sub-band on the first time unit and whether the sender of the first wireless signal is immediately following the first time unit It is irrelevant to use the frequency domain resources in the first sub-band to transmit wireless signals on the time resources.

As an embodiment, the above-described base station device used for wireless communication is characterized in that the transmission of the first wireless signal is triggered by at least one of:

As an embodiment, the base station device used for wireless communication is characterized in that the first transmitter module transmits L reference signal groups on the first sub-band; wherein the fourth spatial parameter group is used Transmitting or receiving a spatial parameter group of the first reference signal group, the first reference signal group is one of the L reference signal groups, and the fourth spatial parameter group is associated with the target spatial parameter group , L is a positive integer.

As an embodiment, the base station device used for wireless communication is characterized in that the second receiver module receives a second wireless signal, and the sender of the updated first wireless signal is in the first sub The spatial parameters associated with the uplink wireless signals on the frequency band are used to transmit or receive the second wireless signal.

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

The user equipment uses the receive beam to measure the received signal to determine the transmit uplink beam recovery request, thereby accelerating the recovery of the uplink beam;

The energy detection is used by the user equipment to trigger the uplink beam recovery request, thereby solving the problem that the user equipment fails to receive the uplink beam allocation due to the uplink channel access that cannot be connected by the uplink wireless signal.

The use of the licensed spectrum to transmit uplink beam recovery requests on the unlicensed spectrum improves the reliability of the uplink beam recovery request transmission.

DRAWINGS

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

1 shows a flow chart of first control information and a first wireless signal in accordance with 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 illustrates a wireless signal transmission flow diagram in accordance with one embodiment of the present application; FIG.

6 shows a schematic diagram of a first set of spatial parameters and a set of target spatial parameters, in accordance with an embodiment of the present application;

FIG. 7 is a schematic diagram showing a first spatial parameter group and a target spatial parameter group according to an embodiment of the present application; FIG.

8 shows a schematic diagram of a second spatial parameter set, a third spatial parameter set, a first spatial parameter set, a first spatial parameter set, and a target spatial parameter set, according to an embodiment of the present application;

Figure 9 shows a schematic diagram of K measurements in accordance with one embodiment of the present application;

Figure 10 shows a schematic diagram of a first set of time resources in accordance with one embodiment of the present application;

11 shows a schematic diagram of triggering transmission of a first wireless signal in accordance with an embodiment of the present application;

Figure 12 shows a schematic diagram of L reference signal groups in accordance with one embodiment of the present application;

13 shows a schematic diagram of a first spatial parameter set, a target spatial parameter set and a second wireless signal, in accordance with an embodiment of the present application;

FIG. 14 is a schematic diagram showing an antenna structure of a user equipment according to an embodiment of the present application; FIG.

FIG. 15 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 16 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 control information and the first wireless signal, as shown in FIG.

In Embodiment 1, the user equipment in the present application first receives first control information, and then transmits a first wireless signal; the first control information is used to determine a first spatial parameter set, the first spatial parameter The set includes a spatial parameter associated with the uplink wireless signal of the user equipment on the first sub-band; the first wireless signal is used to determine a target spatial parameter set; the target spatial parameter set includes at least one that does not belong to the a spatial parameter of the first set of spatial parameters, the target spatial parameter set being used to update a spatial parameter associated with the uplink wireless signal of the user equipment on the first sub-band.

As an embodiment, "used for determining" in this application refers to an explicit indication.

As an embodiment, "used for determining" in this application refers to an implicit indication.

As an embodiment, "used for determining" in the present application means that it is used for calculation.

As an embodiment, the spatial parameters include spatial transmission parameters.

As an embodiment, the spatial parameter comprises a spatial reception parameter.

As an embodiment, the spatial parameter is a spatial transmission parameter or a spatial reception parameter.

As an embodiment, the spatial transmission parameters are used to generate a transmit beam.

As an embodiment, the spatial transmission parameters are used to generate a transmit analog beam shaping matrix.

As an embodiment, the spatial transmission reference includes parameters used to control a phase shifter that generates a transmit beam on the radio frequency link.

As an embodiment, the spatial transmission parameter comprises a digital precoding vector at the transmitting end.

As an embodiment, the spatial transmission parameters include a spacing between antennas used to transmit wireless signals.

As an embodiment, the spatial transmission parameters include the number of antennas used to transmit wireless signals.

As an embodiment, the spatial receive parameter is used to generate a receive beam.

As an embodiment, the spatial receive parameters are used to generate a receive analog beamforming matrix.

As an embodiment, the spatial receive parameters are used to control parameters of a phase shifter that generates a receive beam on the radio frequency link.

As an embodiment, the spatial reception parameter is a digital multi-antenna reception vector at the receiving end.

As an embodiment, the spatial transmission parameters include a spacing between antennas used to receive wireless signals.

As an embodiment, the spatial transmission parameter includes the number of antennas used to receive the wireless signal.

As an embodiment, one of the spatial parameter sets includes only spatial reception parameters, and does not include spatial transmission parameters.

As an embodiment, one of the spatial parameter sets includes both spatial reception parameters and spatial transmission parameters.

As an embodiment, one of the spatial parameter sets includes only spatial transmission parameters, and does not include spatial reception parameters.

As an embodiment, the first sub-band is deployed in an unlicensed spectrum.

As an embodiment, the uplink wireless signal includes only uplink data and an uplink DMRS.

As an embodiment, the uplink wireless signal includes only uplink control information, uplink data, and uplink DMRS.

As an embodiment, the uplink control information includes at least one of {CRI, RI, PMI, CQI, L1-RSRP, L1-RSRQ, BRR}.

As an embodiment, the transport channel corresponding to the uplink data is a DL-SCH (Downlink Shared Channel).

As an embodiment, the uplink wireless signal includes uplink control information, uplink data, uplink DMRS, and SRS.

As an embodiment, the uplink wireless signal includes uplink control information, uplink data, uplink DMRS, and PTRS.

As an embodiment, the uplink radio signal includes a RACH sequence, uplink control information, uplink data, an uplink DMRS, and a PTRS.

As an embodiment, frequency domain resources in the second sub-band are used to transmit the first wireless signal, and the second sub-band and the first sub-band are orthogonal in the frequency domain.

As an embodiment, frequency domain resources in the first sub-band are used to transmit the first wireless signal.

As an embodiment, the second sub-band is deployed in an authorized spectrum.

As an embodiment, the first control information is DCI (Downlink Control Information).

As an embodiment, the first control information is information carried by a domain in a DCI.

As an embodiment, a physical layer control channel (Phyiscal Control Channel) is used to transmit the first control information.

As an embodiment, a downlink physical layer control channel (Downlink Physical Control Channel) is used to transmit the first control information.

As an embodiment, the first control information is an IE (Information Element).

As an embodiment, a higher layer signaling is used to transmit the first control information.

As an embodiment, RRC (Radio Resource Control) signaling is used to transmit the first control information.

As an embodiment, the first control information explicitly indicates the first set of spatial parameters.

In one embodiment, the first control information implicitly indicates the first set of spatial parameters.

As an embodiment, at least two downlink wireless signals are used to determine a first set of spatial parameters, one of the two downstream wireless signals being used to transmit the first control information.

As an embodiment, the first control information is used to determine a fifth reference signal group transmitted prior to the first control information.

As an embodiment, the fifth reference signal group is an uplink reference signal and is sent by the user equipment.

As an embodiment, the reference signal in the fifth reference signal group is an SRS (Sounding Refernce Signal).

As an embodiment, the fifth reference signal group is an SRS on one SRS resource.

As an embodiment, the fifth reference signal group is a downlink reference signal and is sent by the base station device.

As an embodiment, the reference signal in the fifth reference signal group is a CSI-RS (Channel State Information Referenc Signal).

As an embodiment, the fifth reference signal group is a CSI-RS on a CSI-RS resource.

As an embodiment, the reference signal in the fifth reference signal group is an SS (Synchronization Signal).

As an embodiment, the fifth reference signal group is an SS on an SS block.

As an embodiment, the first control information is used to determine a first index in a first configuration table, the first index being used to determine the fifth reference signal group.

In one embodiment, the first set of spatial parameters includes a set of spatial parameters used to receive the fifth set of reference signals, and a set of spatial parameters used to receive the fifth set of reference signals is used to receive the At least one uplink wireless signal of the user equipment on the first sub-band.

In one embodiment, the first control information is used to determine that the first spatial parameter set comprises a spatial parameter set used to transmit the fifth reference signal group, and is used to send the fifth reference signal group The spatial parameter set is used to transmit at least one uplink wireless signal of the user equipment on the first sub-band.

In one embodiment, the first set of spatial parameters includes a set of spatial parameters used to receive the fifth set of reference signals, and a set of spatial parameters used to receive the fifth set of reference signals is used to transmit the At least one uplink wireless signal of the user equipment on the first sub-band.

In one embodiment, the first set of spatial parameters includes a set of spatial parameters used to transmit the fifth set of reference signals, and a set of spatial parameters used to transmit the fifth set of reference signals is used to receive the At least one uplink wireless signal of the user equipment on the first sub-band.

As an embodiment, the first control information is used to determine that an antenna port used to transmit the at least one uplink wireless signal of the user equipment on the first sub-band is used to transmit the fifth reference signal The antenna port of the group is QCL (Quasi Co-located).

As an embodiment, the first control information is used to determine an antenna of a DMRS (Demodulation Reference Signal) used to transmit the at least one uplink radio signal of the user equipment on the first sub-band. The port and the antenna port used to transmit the fifth reference signal group are QCL (Quasi Co-located).

As an embodiment, one of the antenna ports means that the channel experienced by one symbol transmitted on one antenna port can be used to infer the channel experienced by another symbol transmitted on the same antenna port.

As an embodiment, the inference refers to being considered to be the same.

As an embodiment, the inference refers to being considered approximate.

As an embodiment, the inference refers to being used for calculation.

As an embodiment, the symbol is an OFDM (Orthogonal Frequency Division Multiplexing) symbol.

As an embodiment, the symbol is a DFT-s-OFDM (Discrete Fourier Transform Spread Orthogonal Frequency Division Multiplexing) symbol.

As an embodiment, the fact that two antenna ports are QCL means that the large-scale characteristics of the channel experienced by one symbol transmitted on one antenna port can be used to infer the channel experienced by one symbol transmitted on the other antenna port. Large scale characteristics.

As an embodiment, the large scale characteristic includes one or more of delay spread, Doppler spread, Doppler shift, average gain, average delay, and spatial receive parameters.

As an embodiment, the large scale characteristic includes one or more of delay spread, Doppler spread, Doppler shift, average gain, average delay, spatial receive parameters, and spatial transmit parameters. .

As an embodiment, the first control information is used to determine an antenna of a DMRS (Demodulation Reference Signal) used to transmit the at least one uplink radio signal of the user equipment on the first sub-band. The port and the antenna port used to transmit the fifth reference signal group are spatially QCL (Quasi Co-located).

As an embodiment, two antenna ports are spatially QCL refers to a spatial reception parameter used to receive a symbol transmitted on one antenna port is used to infer that one symbol transmitted for receiving on another antenna port is used. The spatial receiving parameter is that the two antenna ports are two antenna ports for transmitting uplink wireless signals or two downlink antenna ports for transmitting downlink wireless signals.

As an embodiment, two antenna ports are spatially QCL refers to a spatial transmission parameter used to transmit a symbol transmitted on one antenna port is used to infer that one symbol transmitted for transmission on another antenna port is used. The space transmits parameters, and the two antenna ports are two antenna ports for transmitting uplink wireless signals or two downlink antenna ports for transmitting downlink wireless signals.

As an embodiment, two antenna ports are spatially QCL refers to a spatial transmission parameter used to transmit a symbol transmitted on one antenna port is used to infer that one symbol transmitted for receiving on another antenna port is used. The spatial receiving parameter; one of the two antenna ports is an antenna port for transmitting an uplink wireless signal, and the other is an antenna port for transmitting a downlink wireless signal.

As an embodiment, two antenna ports are spatially QCL means that a spatial reception parameter used to receive a symbol transmitted on one antenna port is used to infer that one symbol transmitted for transmission on another antenna port is used. Spatial transmission parameters; one of the two antenna ports is an antenna port for transmitting an uplink wireless signal, and the other is an antenna port for transmitting a downlink wireless signal.

As an embodiment, the spatial parameter associated with the uplink wireless signal of the user equipment on the first sub-band is used to send an uplink wireless signal of the user equipment on the first sub-band.

As an embodiment, the spatial parameter associated with the uplink wireless signal of the user equipment on the first sub-band is used to receive an uplink wireless signal of the user equipment on the first sub-band.

As an embodiment, the spatial parameter associated with the uplink radio signal of the user equipment on the first sub-band is used to generate a transmit beam for transmitting an uplink radio signal of the user equipment on the first sub-band. .

As an embodiment, the spatial parameter associated with the uplink radio signal of the user equipment on the first sub-band is used to generate a receive beam for receiving an uplink radio signal of the user equipment on the first sub-band. .

In one embodiment, the spatial parameter associated with the uplink radio signal of the user equipment on the first sub-band includes a transmit beam used to generate an uplink radio signal for transmitting the user equipment on the first sub-band. Forming matrix.

As an embodiment, the spatial parameter associated with the uplink radio signal of the user equipment on the first sub-band includes receiving beamforming for receiving an uplink radio signal of the user equipment on the first sub-band. matrix.

As an embodiment, the first wireless signal explicitly indicates the target spatial parameter set.

As an embodiment, the first wireless signal implicitly indicates the target spatial parameter set.

As an embodiment, the spatial parameter in the target spatial parameter group is used to send an uplink wireless signal of the user equipment on the first sub-band.

As an embodiment, the spatial parameter in the target spatial parameter group is used to receive an uplink wireless signal of the user equipment on the first sub-band.

As an embodiment, the spatial parameter within the target spatial parameter set is used to replace the fifth spatial parameter set in the first spatial parameter set.

As an embodiment, after the target spatial parameter group is used to update a spatial parameter associated with the uplink wireless signal of the user equipment on the first sub-band, the user equipment is in the first sub-band The spatial parameter associated with the uplink wireless signal does not include the fifth spatial parameter set.

As an embodiment, the spatial parameter in the target spatial parameter group is used to add a spatial parameter associated with the uplink wireless signal of the user equipment on the first sub-band.

In one embodiment, the user equipment is in the first sub-band before the target spatial parameter group is used to update a spatial parameter associated with the uplink wireless signal of the user equipment on the first sub-band. The spatial parameter associated with the uplink wireless signal does not include the target spatial parameter set.

As an embodiment, after the target spatial parameter group is used to update a spatial parameter associated with the uplink wireless signal of the user equipment on the first sub-band, the user equipment is in the first sub-band The spatial parameters associated with the uplink wireless signal include the target spatial parameter set.

As an embodiment, the third control information is monitored in a first time window, the third control information being used to determine a space associated with the updated uplink wireless signal of the user equipment on the first sub-band parameter.

As an embodiment, a physical layer control channel is used to transmit the third control information.

As an embodiment, the third control information is a DCI.

As an embodiment, the third control information is information carried by a domain in a DCI.

As an embodiment, the monitoring means that the user equipment performs blind decoding on the received wireless signal on the given frequency resource pool.

As an embodiment, the monitoring means that the user equipment is not sure whether the third control information is sent before successful decoding.

In one embodiment, the third control information explicitly indicates a spatial parameter associated with the updated uplink wireless signal of the user equipment on the first sub-band.

In one embodiment, the third control information implicitly indicates a spatial parameter associated with the updated uplink wireless signal of the user equipment on the first sub-band.

As an embodiment, the first time window is after transmitting the first wireless signal.

As an embodiment, the first time window is pre-configured.

As an embodiment, the first time window is configured by default.

As an embodiment, the third control information is used to determine a spatial parameter associated with the target spatial parameter set.

In one embodiment, the third control information is used to determine that a spatial parameter recommended by the user equipment by using the first wireless signal is used to send or receive the user equipment on a subsequent first sub-band. Uplink wireless signal.

As an embodiment, the third control information is used to determine that the receiver of the first wireless signal correctly receives the first wireless signal.

In one embodiment, the user equipment monitors the third control information on the first sub-band.

As an embodiment, the user equipment monitors the third control information on the second sub-band.

As an embodiment, the spatial parameter associated with the target spatial parameter is used to monitor the third control information.

As an embodiment, a receive beam generated using a spatial parameter associated with the target spatial parameter is used to monitor the third control information.

As an embodiment, the receive beam generated by using the spatial parameter associated with the target spatial parameter is spatially correlated with the receive beam generated by using the target spatial parameter.

As an embodiment, the receive beam generated by using the spatial parameter associated with the target spatial parameter is spatially correlated with a transmit beam generated by using the target spatial parameter.

As an embodiment, energy detection is performed on the first sub-band to determine a first set of spatial parameters; wherein the first set of spatial parameters is associated with the set of target spatial parameters.

As an embodiment, the energy detection once means that the user equipment monitors the received power for a period of time for a given duration.

As an embodiment, the energy detection once means that the user equipment monitors the received energy for a period of time for a given duration.

As an embodiment, the energy detection is performed once: the user equipment senses (Sense) all the wireless signals on a given frequency domain resource for a given power for a period of time within a given duration; The given frequency domain resource is the first sub-band.

As an embodiment, the energy detection is performed once: the user equipment senses (Sense) all the wireless signals on a given frequency domain resource for a given energy for a period of time within a given duration; The given frequency domain resource is the first sub-band.

As an embodiment, the energy detection is implemented in a manner defined by section 15 of 3GPP TS 36.213.

As an embodiment, the energy detection is implemented by an energy detection method in LTE LAA.

As an embodiment, the energy detection is energy detection in an LBT (Listen Before Talk).

As an embodiment, the energy detection is implemented by an energy detection method in WiFi.

As an embodiment, the energy detection is implemented by measuring RSSI (Received Signal Strength Indication).

As an embodiment, a receive beam generated using spatial parameters associated with the first set of spatial parameters is used to perform the energy detection on the first sub-band.

As an embodiment, a receive beam generated using spatial parameters in the first set of spatial parameters is used to perform energy detection on the first sub-band.

As an embodiment, a receive beam generated using spatial parameters in the first set of spatial parameters is spatially correlated with a transmit beam generated using spatial parameters in the set of target spatial parameters.

As an embodiment, a receive beam generated using spatial parameters in the first set of spatial parameters is spatially correlated with a receive beam generated using spatial parameters in the set of target spatial parameters.

As an embodiment, a receive beam used to perform the energy detection on the first sub-band is spatially correlated with a transmit beam generated using spatial parameters in the first set of spatial parameters.

As an embodiment, a receive beam used to perform the energy detection on the first sub-band is spatially correlated with a receive beam generated using spatial parameters in the target spatial parameter set.

In one embodiment, the energy detection includes a first measurement, the first measurement adopts a second spatial parameter group, and wherein the third spatial parameter group is a spatial parameter group associated with the second spatial parameter group, The third spatial parameter group belongs to the first spatial parameter set, and the result of the first measurement is used to trigger transmission of the first wireless signal, and the target spatial parameter group is used to replace the third space Parameter group.

As an embodiment, the first measurement is one time the energy detection.

As an embodiment, a receive beam generated using the second set of spatial parameters is used to perform the first measurement.

As an embodiment, the transmit beam generated by using the third spatial parameter set is spatially correlated with the receive beam generated by using the second spatial parameter set.

As an embodiment, the receive beam generated using the third spatial parameter set is spatially correlated with the receive beam generated using the second spatial parameter set.

As an embodiment, the third spatial parameter group is the fifth spatial parameter group.

As an embodiment, the second spatial parameter group is used to perform energy detection on the first sub-band on M1 time slots, and respectively determine whether the M1 time slots are in an idle state, the M1 The number of time slots in the idle state in the time slot is used to trigger the transmission of the first wireless signal, the M1 being a positive integer.

As an embodiment, the M1 time slots are consecutive in time.

As an embodiment, the M1 time slots are not consecutive in time.

As an embodiment, the number of time slots in the idle state in the M1 time slots is not greater than a third threshold.

As an embodiment, the third threshold is configured by default.

As an embodiment, the third threshold is configured by a base station.

As an embodiment, the number of consecutive idle slots in the M1 time slots is not greater than a fourth threshold.

As an embodiment, the fourth threshold is configured by default.

As an embodiment, the fourth threshold is configured by a base station.

As an embodiment, the second spatial parameter group is used to perform energy detection on the first sub-band on M2 time slots, and respectively determine whether the M2 time slots are in a busy state, the M2 The number of time slots in a busy time slot is used to trigger the transmission of the first wireless signal, which is a positive integer.

As an embodiment, the M2 time slots are consecutive in time.

As an embodiment, the M2 time slots are not consecutive in time.

As an embodiment, the number of time slots in the busy state in the M2 time slots is not less than a fifth threshold.

As an embodiment, the fifth threshold is configured by default.

As an embodiment, the fifth threshold is configured by a base station.

As an embodiment, the number of consecutive busy slots in the M2 time slots is not less than a sixth threshold.

As an embodiment, the sixth threshold is configured by default.

As an embodiment, the sixth threshold is configured by a base station.

As an embodiment, the time slot of the time slot is 9 microseconds.

As an embodiment, the time slot of the time slot is 16 microseconds.

As an embodiment, if the power obtained by the user equipment performing energy detection in one time slot is less than the first energy detection threshold for at least the first duration duration, the time slot is in the idle state; otherwise, this time The gap is in the busy state.

As an embodiment, the first duration length is 4 microseconds.

As an embodiment, the average power obtained by performing energy detection on the first sub-band by using the second spatial parameter group on M3 time slots is not less than a first power threshold, and the M3 is a positive integer.

As an embodiment, the M3 time slots are consecutive in time.

As an embodiment, the M3 time slots are not consecutive in time.

As an embodiment, the energy detection includes K times of measurements, and the K times of measurements respectively adopt K spatial parameter groups; wherein the first spatial parameter group is one of the K spatial parameter groups , K is a positive integer.

As an embodiment, the K-th measurement refers to that the user equipment generates K receiving beams by using K spatial parameter groups, and the K receiving beams are in one-to-one correspondence with the K spatial parameter groups, and the K The receive beams are used to perform energy detection in the K time resource pools, respectively.

As an embodiment, the K measurements are K energy measurements.

As an embodiment, the K time resource pools include the same number of time units.

As an embodiment, the K time resource pools include different numbers of time units.

As an embodiment, the K time resource pools are configured by a base station.

As an embodiment, the K time resource pools are configured by default.

As an embodiment, the K spatial parameter sets are spatially QCL with K reference signal groups, respectively.

As an embodiment, the base station notification is used to determine the K spatial parameter sets.

As an embodiment, the user autonomous decision is used to determine the K spatial parameter sets.

As an embodiment, the K measurements include the first measurement.

As an embodiment, the K measurements include a second measurement, the second measurement employing the first set of spatial parameters.

As an embodiment, the result of the second measurement is used to trigger the transmission of the first wireless signal.

As an embodiment, for channel access, the result of the second measurement is better than the result of the first measurement.

As an embodiment, the received power of the second measurement is smaller than the received power of the first measurement.

As an embodiment, the user equipment performs the first measurement and the second measurement in a first time resource pool and a second time resource pool, respectively, where the number of idle time slots obtained by the second measurement is greater than The number of idle time slots obtained by the first measurement.

As an embodiment, the user equipment performs the first measurement and the second measurement in a first time resource pool and a second time resource pool, respectively, where the number of busy time slots obtained by the second measurement is smaller than The number of busy slots obtained by the first measurement.

As an embodiment, the K measurements are comprised of the second measurement and the third measurement set, the third measurement set including other measurements of the K measurements other than the second measurement.

As an embodiment, for channel access, the result of the second measurement is better than the result of the measurement in the third set of measurements.

In one embodiment, the K time resource pools are composed of a second time resource pool and a third time resource pool set, and the second measurement is used to perform energy detection in the second time resource pool, where The three-time resource pool set includes other time resource pools of the K time resource pools except the second time resource pool.

As an embodiment, the received power of the second measurement is smaller than the measured received power of the third measurement set.

As an embodiment, the number of idle slots in the second time resource pool is greater than the number of idle slots in any of the third measurement sets.

As an embodiment, the number of busy slots in the second time resource pool is less than the number of busy slots in any of the third measurement sets.

As an embodiment, the second control information is received, where the second control information is used to determine a first time resource set; wherein the user equipment is on the time resource in the first time resource set Performing energy detection on a sub-band to determine the first set of spatial parameters, the first time unit being any one of the time units in the first set of time resources, the first sub-unit on the first time unit The energy detection performed on the frequency band is independent of whether the user equipment transmits a wireless signal using frequency domain resources within the first sub-band on a time resource immediately following the first time unit.

As a sub-embodiment of the above embodiment, it is common knowledge that energy detection is used for subsequent wireless signal transmission, and the above method uses energy detection for determining report content, and thus the above method is innovative.

As an embodiment, the first time resource set includes the K time resource pools.

As an embodiment, the first set of time resources includes a time resource for performing the first measurement.

As an embodiment, the first set of time resources includes a plurality of time slots.

As an embodiment, the time resources in the first set of time resources are not used for channel access.

As an embodiment, energy detection performed on time resources within the first set of time resources is not used for channel access.

As an embodiment, a first time resource subset exists in the first time resource set, and a time resource in the first time resource subset belongs to the first time resource set, and the first time resource subset does not Used for channel access.

As an embodiment, the first energy detection is used to determine that the user equipment sends a wireless signal using a frequency domain resource in the first sub-band on a time resource immediately following the first time unit, the first The time resource where the energy detection is located does not belong to the first time resource set.

As an embodiment, the second energy detection is used to determine that the user equipment cannot transmit a wireless signal using a frequency domain resource in the first sub-band on a time resource immediately following the first time unit, where The time resource where the second energy detection is located does not belong to the first time resource set.

As an embodiment, the transmitting of the first wireless signal is triggered by at least one of:

When all the spatial parameters in the first set of spatial parameters are used, the measurement result of the energy detection is not less than the first threshold;

When the partial spatial parameter of the first spatial parameter set is adopted, the measurement result of the energy detection is not less than the first threshold;

When the target spatial parameter in the target spatial parameter set is adopted, the measurement result of the energy detection is less than a second threshold.

As an embodiment, all the spatial parameters in the first set of spatial parameters are used to generate K1 receive beams, respectively, and the K1 receive beams are respectively used to perform the energy detection to obtain K1 energy detection results, The K1 is a positive integer.

As an embodiment, the condition that the measurement results of the K1 energy detections are not less than the first threshold is used to trigger the transmission of the first wireless signal.

As an embodiment, a condition that the measurement results of the K2 energy detections in the K1 energy detection measurements are not less than the first threshold is used to trigger the sending of the first wireless signal, where the K2 is less than A positive integer of K1.

As an embodiment, the first measurement result is one of the measurement results of the K1 energy detections.

As an embodiment, the first measurement result is the number of busy time slots.

As an embodiment, the first measurement result is an average received power.

As an embodiment, the first threshold is configured by a base station.

As an embodiment, the second threshold is configured by a base station.

As an embodiment, the first threshold is configured by default.

As an embodiment, the second threshold is configured by default.

As an embodiment, the first threshold is a unitless positive integer.

As an embodiment, the unit of the first threshold is dBm.

As an embodiment, the unit of the first threshold is milliwatts.

As an embodiment, the second threshold is a unitless positive integer.

As an embodiment, the unit of the second threshold is dBm.

As an embodiment, the unit of the second threshold is milliwatts.

As an embodiment, the first threshold is the third threshold.

In one embodiment, the user equipment receives L reference signal groups on the first sub-band; wherein the fourth spatial parameter group is a spatial parameter group used to transmit or receive the first reference signal group, The first reference signal group is one of the L reference signal groups, and the fourth spatial parameter group is associated with the target spatial parameter group, the L being a positive integer.

As an embodiment, the L reference signal groups are transmitted in the first sub-band.

As an embodiment, the beam generated by the fourth spatial parameter set is used to generate a transmit beam that transmits the first reference signal group.

As an embodiment, the beam generated by the fourth spatial parameter group is used to generate a receive beam that receives the first reference signal group.

As an embodiment, the L reference signal groups are respectively measured to obtain L channel quality values corresponding to the L reference signal groups, and the channel quality value corresponding to the first reference signal group is The best channel quality value among the L channel quality values.

As an embodiment, the channel quality value corresponds to Reference Signal Received Power (RSRP).

As an embodiment, the channel quality value corresponds to a Modulation Coding Sheme (MCS).

As an embodiment, the beam generated using the fourth spatial parameter set is spatially correlated with the beam generated using the target spatial parameter set.

As an embodiment, the beam generated by using the fourth spatial parameter set is spatially correlated with the beam generated by the first spatial parameter set.

As an embodiment, the target spatial parameter group is the fourth spatial parameter group.

As an embodiment, the target spatial parameter group is the first spatial parameter group.

As an embodiment, the first set of spatial parameters is used to generate a first receive beam.

As an embodiment, the fourth set of spatial parameters is used to generate a fourth transmit beam for receiving the first set of reference signals.

As an embodiment, the fourth set of spatial parameters is used to generate a fourth receive beam for receiving the first set of reference signals.

As an embodiment, the target spatial parameter set is used to generate a target receive beam that receives a third uplink wireless signal.

As an embodiment, the energy detection performed by the first receive beam is used to determine a time resource occupied by the third uplink wireless signal.

As an embodiment, the angular coverage of the fourth receiving beam is the same as the angular coverage of the transmitting beam used to transmit the third uplink wireless signal.

As an embodiment, the angular coverage of the fourth transmit beam is the same as the angular range of the target receive beam.

As an embodiment, the target spatial parameter set is used to generate a target transmit beam that transmits a fourth uplink wireless signal.

As an embodiment, the energy detection performed by the first receive beam is used to determine a time resource occupied by the fourth uplink radio signal.

As an embodiment, the angular coverage of the fourth receiving beam is the same as the angular coverage of the target transmitting beam.

As an embodiment, the angular coverage of the fourth transmit beam is the same as the angular coverage of the receive beam used to receive the fourth uplink wireless signal.

As an embodiment, the first receive beam is spatially related to the fourth receive beam.

As an embodiment, the first receive beam is spatially related to the target transmit beam.

As an embodiment, the fourth transmit beam is spatially related to the target receive beam.

As an embodiment, the fourth receive beam is spatially related to the target transmit beam.

As an embodiment, spatially correlating the two beams means that the coverage angles of the two beams overlap in space.

As an embodiment, spatially correlating the two beams means that the spatial coverage angle of one beam is within the coverage angle range of the other beam.

As an embodiment, spatially correlating the two beams means that the coverage areas of the two beams overlap in space.

As an embodiment, spatially correlating the two beams means that the spatial coverage area of one beam is within the coverage area of the other beam.

As an embodiment, spatially correlating the two beams means that the coverage angles of the two beams in space are the same.

As an embodiment, spatially correlating the two beams means that the coverage areas of the two beams are the same in space.

In an embodiment, the user equipment sends a second wireless signal, where the updated spatial parameter associated with the uplink wireless signal of the user equipment on the first sub-band is used to send or receive the Two wireless signals.

As an embodiment, the target spatial parameter set is used to transmit the second wireless signal.

As an embodiment, the target spatial parameter set is used to receive the second wireless signal.

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 NR 5G, 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, EPC (Evolved Packet Core)/5G-CN (5G-Core Network) , 5G core network) 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 EPC/5G-CN 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 gNB203 is connected to the EPC/5G-CN210 through the S1/NG interface. EPC/5G-CN210 includes MME/AMF/UPF 211, other MME (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 EPC/5G-CN 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 an embodiment, the UE 201 corresponds to the user equipment in this application.

As an embodiment, the gNB 203 corresponds to the base station in the present application.

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

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

As an embodiment, the UE 201 supports wireless communication of massive MIMO.

As an embodiment, the gNB 203 supports wireless communication for massive MIMO.

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. 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 an embodiment, the wireless protocol architecture of Figure 3 is applicable to the user equipment in this application.

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

As an embodiment, the first control information in the present application is generated by the PHY 301.

As an embodiment, the first control information in the present application is generated in the MAC sublayer 302 or generated in the RRC sublayer 306.

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

As an embodiment, the third control information in the present application is generated by the PHY 301.

As an embodiment, the L reference signal groups in the present application are generated by the PHY 301.

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

Example 4

Embodiment 4 shows a schematic diagram of a base station device and a given 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.

A base station device (410) may include a controller/processor 440, a scheduler 443, a memory 430, a receive processor 412, a transmit processor 415, a MIMO transmit processor 441, a MIMO detector 442, and a transmitter/receiver 416. And an antenna 420.

A controller/processor 490, a memory 480, a data source 467, a transmit processor 455, a receive processor 452, a MIMO transmit processor 471, a MIMO detector 472, a transmitter/receiver 456 may be included in the user equipment (UE 450). And antenna 460.

In the downlink transmission, the processing related to the base station device (410) may include:

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

The controller/processor 440 can be associated with a memory 430 that stores program codes and data. The memory 430 can be a computer readable medium;

The controller/processor 440 notifies the scheduler 443 of the transmission request, the scheduler 443 is configured to schedule the air interface resource corresponding to the transmission requirement, and notifies the controller/processor 440 of the scheduling result;

The controller/processor 440 transmits the control information for the downlink transmission obtained by the receiving processor 412 to the uplink receiving to the transmitting processor 415;

- Transmit processor 415 receives the output bit stream of controller/processor 440, implementing various signal transmission processing functions for the L1 layer (ie, the physical layer) including encoding, interleaving, scrambling, modulation, power control/allocation, and physics Layer control signaling (including PBCH, PDCCH, PHICH, PCFICH, reference signal) generation, etc.;

- MIMO transmit processor 441 spatial processing of data symbols, control symbols or reference signal symbols (such as multi-antenna pre-encoding, digital beamforming), output baseband signals to the transmitter 416;

a MIMO transmit processor 441 outputs analog spatial transmit parameters to a transmitter 416 for analog transmit beamforming;

Transmitter 416 is operative to convert the baseband signals provided by MIMO transmit processor 441 into radio frequency signals and transmit them via antenna 420; each transmitter 416 samples the respective input symbol streams to obtain respective sampled signal streams; each Transmitter 416 performs further processing (e.g., digital to analog conversion, amplification, filtering, upconversion, etc.) on the respective sample streams to obtain a downlink signal; analog transmit beamforming is processed in transmitter 416.

In the downlink transmission, the processing related to the user equipment (UE450) may include:

Receiver 456 for converting radio frequency signals received through antenna 460 into baseband signals for MIMO detector 472; analog receive beamforming for processing in receiver 456;

a MIMO detector 472 for performing MIMO detection on the signal received from the receiver 456 and a MIMO-detected baseband signal for the receiving processor 452;

Receive 452 extracts the analog receive beam shaping related parameters through the MIMO detector 472 output to the receiver 456;

The receiving processor 452 implements various signal receiving processing functions for the L1 layer (ie, the physical layer) including decoding, deinterleaving, descrambling, demodulation, and physical layer control signaling extraction, and the like;

- The controller/processor 490 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 for implementation L2 layer protocol for user plane and control plane;

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

The controller/processor 490 passes the control information for downlink reception obtained by the transmission processor 455 processing the uplink transmission to the reception processor 452.

As an 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 in process with the at least one Used together, the UE 450 device receives at least: first control information, the first control information is used to determine a first spatial parameter set, the first spatial parameter set includes the UE 450 device on a first sub-band a spatial parameter associated with the uplink wireless signal; transmitting a first wireless signal, the first wireless signal being used to determine a target spatial parameter set; wherein the target spatial parameter set includes at least one of the first spatial parameters a spatial parameter of the set, the target spatial parameter set being used to update a spatial parameter associated with an uplink wireless signal of the UE 450 device on the first sub-band.

As an embodiment, the UE 450 includes: a memory storing a computer readable instruction program, the computer readable instruction program generating an action when executed by the at least one processor, the action comprising: receiving the first control information, The first control information is used to determine a first spatial parameter set, where the first spatial parameter set includes a spatial parameter associated with an uplink wireless signal of the UE 450 device on a first sub-band; and the first wireless signal is sent, The first wireless signal is used to determine a target spatial parameter set; wherein the target spatial parameter set includes at least one spatial parameter that does not belong to the first spatial parameter set, the target spatial parameter set is used to update the location The spatial parameters associated with the uplink wireless signals of the UE 450 device on the first sub-band.

In one embodiment, the gNB 410 device comprises: at least one processor and at least one memory, the at least one memory comprising computer program code; the at least one memory and the computer program code being configured to be in process with the at least one Used together. The gNB 410 device transmits at least: first control information, where the first control information is used to determine a first spatial parameter set; and receives a first wireless signal, where the first wireless signal is used to determine a target spatial parameter group; The first spatial parameter set includes a spatial parameter associated with an uplink wireless signal of the sender of the first wireless signal on the first sub-band, the target spatial parameter group including at least one not belonging to the first a spatial parameter of a set of spatial parameters, the set of target spatial parameters being used to update a spatial parameter associated with an uplink wireless signal of the sender of the first wireless signal on the first sub-band.

As an embodiment, the gNB 410 includes: a memory storing a computer readable instruction program, the computer readable instruction program generating an action when executed by the at least one processor, the action comprising: transmitting the first control information, The first control information is used to determine a first set of spatial parameters; receiving a first wireless signal, the first wireless signal being used to determine a target spatial parameter set; wherein the first set of spatial parameters includes the first a spatial parameter associated with an uplink wireless signal of the sender of the wireless signal on the first sub-band, the target spatial parameter set including at least one spatial parameter not belonging to the first set of spatial parameters, the target space The parameter set is used to update a spatial parameter associated with the uplink wireless signal of the sender of the first wireless signal on the first sub-band.

As an embodiment, the UE 450 corresponds to the user equipment in this application.

As an embodiment, gNB 410 corresponds to the base station in this application.

As an embodiment, at least the first three of the receiver 456, the MIMO detector 472, the receive processor 452, and the controller/processor 490 are used to receive the first control information.

As an embodiment, at least the first three of the transmitter 456, the MIMO transmit processor 471, the transmit processor 455, and the controller/processor 490 are used to transmit the first wireless signal.

As an embodiment, at least the first three of the receiver 456, the MIMO detector 472, the receive processor 452, and the controller/processor 490 are used to monitor the third control information.

As an embodiment, as one embodiment, at least the first three of the receiver 456, the MIMO detector 472, the receive processor 452, and the controller/processor 490 are used to receive the second control information.

As an embodiment, as one embodiment, at least the first three of the receiver 456, the MIMO detector 472, the receive processor 452, and the controller/processor 490 are used to receive the L reference signal groups.

As an embodiment, at least the first three of the transmitter 456, the MIMO transmit processor 471, the transmit processor 455, and the controller/processor 490 are used to transmit the second wireless signal.

As an embodiment, at least the first three of the transmitter 416, the MIMO transmit processor 441, the transmit processor 415, and the controller/processor 440 are used to transmit the first control information.

As an embodiment, at least the first three of the receiver 416, the MIMO detector 442, the receive processor 412, and the controller/processor 440 are used to receive the first wireless signal.

As an embodiment, at least the first three of the transmitter 416, the MIMO transmit processor 441, the transmit processor 415, and the controller/processor 440 are used to transmit the third control information.

As an embodiment, at least the first three of the transmitter 416, the MIMO transmit processor 441, the transmit processor 415, and the controller/processor 440 are used to transmit the second control information.

As an embodiment, at least the first three of the transmitter 416, the MIMO transmit processor 441, the transmit processor 415, and the controller/processor 440 are used to transmit the L reference signal groups.

As an embodiment, at least the first three of the receiver 416, the MIMO detector 442, the receive processor 412, and the controller/processor 440 are used to receive the second wireless signal.

Example 5

Embodiment 5 exemplifies a wireless signal transmission flowchart, as shown in FIG. In Fig. 5, base station N1 is a maintenance base station of a serving cell of user equipment U2. The steps identified by block F1, block F2, block F3, block F4 and block F5 are optional.

The base station N1, in a step S11 transmits the second control information, transmission control information in a first step 12, transmitting reference signals L group in step S13, the first radio signal received in step S14, in step S15 transmission The third control information receives the second wireless signal in step S16.

For user equipment U2, received in step S21, the second control information, the first control information received in step S22, the reference signals received group L in step S23, step S24 performs energy detection on the first sub-band, The first wireless signal is transmitted in step S25, the third control information is monitored in the first time window in step S26, and the second wireless signal is transmitted in step S27.

In Embodiment 5, the first control information is used by U2 to determine a first spatial parameter set, where the first spatial parameter set includes a spatial parameter associated with an uplink wireless signal of U2 on the first sub-band; a wireless signal is used by N1 to determine a target spatial parameter set; the target spatial parameter set includes at least one spatial parameter that does not belong to the first spatial parameter set, the target spatial parameter set is used to update U2 at the The spatial parameter associated with the upstream wireless signal on a sub-band.

As an embodiment, the steps in block F4 exist, the third control information being used to determine a spatial parameter associated with the updated uplink wireless signal of U2 on the first sub-band.

As an embodiment, the steps in block F3 exist, U2 performing energy detection on the first sub-band to determine a first set of spatial parameters, the first set of spatial parameters being associated with the set of target spatial parameters.

As an embodiment, the steps in block F1 exist, the second control information is used by U2 to determine a first time resource set; U2 is the first child on the time resource in the first time resource set Performing energy detection on a frequency band to determine the first set of spatial parameters, the first time unit being any one of the time units in the first set of time resources, on the first sub-band on the first time unit The performed energy detection is independent of whether U2 is transmitting wireless signals using frequency domain resources within the first sub-band immediately following the time resource of the first time unit.

As an embodiment, the sending of the first wireless signal is triggered by at least one of: when all spatial parameters in the first spatial parameter set are adopted, the measurement result of the energy detection is not less than the first a threshold value; when the partial spatial parameter of the first spatial parameter set is adopted, the measurement result of the energy detection is not less than a first threshold; when a target spatial parameter in the target spatial parameter group is adopted, The measurement of the energy detection is less than the second threshold.

As an embodiment, the step in block F2 exists, the fourth spatial parameter set is a spatial parameter set used to transmit or receive the first reference signal group, and the first reference signal group is the L reference signal groups a reference signal group, the fourth spatial parameter group being associated with the target spatial parameter group, the L being a positive integer.

As an embodiment, the step in block F5 exists, the spatial parameter associated with the uplink radio signal of the updated U2 on the first sub-band being used to transmit or receive the second wireless signal.

Example 6

Embodiment 6 exemplifies a first spatial parameter set and a target spatial parameter set, as shown in FIG.

In Embodiment 6, the spatial parameter in the first spatial parameter set in the present application is used to generate a first beam set, where the first beam set is composed of multiple beams, and the target space in the present application The spatial parameters in the parameter set are used to generate a target beam that does not belong to the beam in the first beam set. The target spatial parameter set includes at least one spatial parameter that does not belong to the first spatial parameter set.

As an embodiment, the target beam and the beams in the first set of beams are spatially independent.

As an embodiment, the beam in the first beam set and the target beam are both receive beams.

As an embodiment, the beam in the first beam set and the target beam are both transmit beams.

As an embodiment, the spatial parameters act on the radio frequency circuit.

As an embodiment, the spatial parameter comprises a parameter of a switch control of an antenna element.

As an embodiment, the spatial parameter includes a control parameter of the phase shifter

Example 7

Embodiment 7 exemplifies a first spatial parameter group and a target spatial parameter group, as shown in FIG.

In Embodiment 7, the spatial parameter in the first spatial parameter group in the present application is used to generate the first beam, and the spatial parameter in the target spatial parameter group in the present application is used to generate a target. The beam, the angular coverage of the target beam in the present application is within the angular coverage of the first beam.

As an embodiment, the first beam is used for energy detection associated with the target beam.

As an embodiment, the first beam is a receive beam and the target beam is a transmit beam.

As an embodiment, the first beam is a receive beam that is used for energy detection.

Example 8

Embodiment 8 exemplifies a second spatial parameter group, a third spatial parameter group, a first spatial parameter set, a first spatial parameter group and a target spatial parameter group, as shown in FIG.

In Embodiment 8, the spatial parameter in the first spatial parameter set in the present application is used to generate a beam in the first beam set, and the spatial parameter in the second spatial parameter group in the present application is used. For generating the second beam, the parameters in the third spatial parameter group in the present application are used to generate a third beam, and the spatial parameter in the first spatial parameter group in the present application is used to generate the first beam. The spatial parameters in the target spatial parameter set in the present application are used to generate a target beam. The third beam is one of the first set of beams. The angular coverage of the third beam is in an angular coverage of the second beam. The second beam is used for energy detection associated with the adoption of the third beam. The third beam is used for transmission of an uplink wireless signal after channel access using the second beam. The first beam set does not include the target beam. The angular coverage of the target beam in the present application is within the angular coverage of the first beam.

As an embodiment, the beam in the first beam set is a transmit beam of an uplink wireless signal.

As an embodiment, the second beam is a receive beam.

As an embodiment, the second beam is a receive beam for energy detection.

As an embodiment, the third beam is a transmit beam of an uplink wireless signal.

As an embodiment, the target beam is a transmit beam of an uplink wireless signal.

As an embodiment, the first beam is a receive beam.

As an embodiment, the first beam is a receive beam for energy detection.

Example 9

Example 9 illustrates K measurements, as shown in FIG.

In Embodiment 9, the energy detection #1 to the energy detection #K correspond to the K measurements in the present application, respectively, and the beams #1 to #K are used as the reception beams to perform the energy detection #1 to the energy detection, respectively. K. The first set of spatial parameters in the present application is used to generate beam #q in beam #1 to beam #K. The measurement of energy detection #q is better than the measurement of other energy detection.

As an embodiment, the average received power of the energy detection #q is lower than the measurement results of other energy detections.

As an embodiment, the energy quality of the energy detection #q is better than the channel quality obtained by other energy detections.

As an embodiment, the number of idle time slots on the time resource occupied by the energy detection #q is greater than the number of idle time slots on the time resource occupied by any other energy detection.

As an embodiment, the number of busy slots on the time resource occupied by the energy detection #q is smaller than the number of busy slots on the time resource occupied by any other energy detection.

Example 10

Embodiment 10 illustrates a first set of time resources, as shown in FIG. In FIG. 10, the grid filled with the oblique grid is the time resource for channel access, the gray filled square is the time resource occupied by the uplink transmission, and the square filled with the oblique line is the first time resource collection. Time resources.

In Embodiment 10, the UE performs a first type of energy detection on a time resource in a first time resource set in the present application for measuring channel quality, and the first type of energy detection is not used for channel access, ie, The first type of energy detection is independent of whether the UE immediately transmits a wireless signal with a time resource within the first set of time resources. A second type of energy detection is used for channel access, and the second type of energy detection is used to determine whether to transmit a wireless signal immediately following the time resource occupied by the second type of energy detection.

As an embodiment, the time resource in the first time resource set is configured by a base station.

As an embodiment, the second type of energy detection is used to determine that the UE can perform uplink wireless signal transmission in a first time period, and the time in the first time resource set exists in the first time period Resources.

As an embodiment, the second type of energy detection is used to determine that the UE cannot perform uplink wireless signal transmission in a second time period, and the time in the first time resource set exists in the second time period Resources.

Example 11

Embodiment 11 exemplifies that the transmission of the first wireless signal is triggered, as shown in FIG.

In Embodiment 11, the spatial parameters in the first set of spatial parameters in the present application are used to generate Q beams, that is, beams #1 to ##, which are used for energy detection, respectively. 1 to energy detection #Q. The spatial parameters in the target spatial parameter set in this application are used to generate a target beam that is used for target energy detection. The transmission of the first wireless signal in the present application is triggered by the energy detection #1 to energy detection #Q and target energy detection. The measurement results of the N energy detections in the energy detection #1 to the energy detection #Q are not less than the first threshold. The measurement of the target energy detection is less than a second threshold, the N being a positive integer.

As an embodiment, the N is smaller than the Q.

As an embodiment, the N is equal to the Q.

As an embodiment, the measurement result is an average received power

As an embodiment, the measurement result is the number of busy time slots.

Example 12

Embodiment 12 exemplifies L reference signal groups as shown in FIG.

In Embodiment 12, beam #1 to beam #L are respectively used to transmit or receive L reference signal groups in the present application, and the fourth spatial parameter group in the present application is used to generate beam #1, beam #l is associated with the beam generated by the target spatial parameter group.

As an embodiment, the channel measurement result based on the first reference signal group is better than the channel measurement result based on other L-1 reference signal groups.

As an embodiment, the channel quality corresponding to the first reference signal group is better than the channel quality corresponding to other L-1 reference signal groups.

As an embodiment, the target spatial parameter set in the present application is used to generate a target transmit beam that transmits a third uplink wireless signal.

As an embodiment, the target spatial parameter set in the present application is used to generate a target receive beam that receives the fourth uplink wireless signal.

As an embodiment, the beams #1 to #L are respectively used to transmit the L reference signal groups in the present application, and the angular coverage of the beam #1 is the same as the reception beam of the third uplink wireless signal.

As an embodiment, beams #1 to #L are respectively used to transmit L reference signal groups in the present application, and the angular coverage of beam #1 is the same as the angular coverage of the target reception beam.

As an embodiment, beams #1 to #L are respectively used to receive L reference signal groups in the present application, and the angular coverage of beam #1 is the same as the angular coverage of the target transmission beam.

As an embodiment, beams #1 to #L are respectively used to receive L reference signal groups in the present application, and the angular coverage of beam #1 is used to transmit the angle of transmission of the fourth uplink wireless signal. Same coverage

As an embodiment, the beam #1 to the beam #L are respectively used to transmit the L reference signal groups in the present application, and the first spatial parameter group in the present application is used to generate a first beam, where the first beam is used as The receive beam is used for energy detection, and the receive beam of the first reference signal group has the same angular coverage as the first beam.

As an embodiment, the beam #1 to the beam #L are respectively used to receive the L reference signal groups in the present application, and the first spatial parameter group in the present application is used to generate a first beam, where the first beam is used as The receive beam is used for energy detection, and beam #1 is the first beam.

Example 13

Embodiment 13 exemplifies a first spatial parameter set, a target spatial parameter set and a second wireless signal, as shown in FIG.

In Embodiment 13, the first spatial parameter set in the present application is used to generate a first beam, the first beam performs channel access as a receive beam, and the channel access succeeds, immediately following the channel connection The second wireless signal in the present application is transmitted on the incoming time resource. The target spatial parameter set in the present application is used to generate a target beam, the target beam is used to transmit the second wireless signal, and the second wireless signal is an uplink wireless signal.

As an embodiment, the target beam is used to transmit the second wireless signal.

As an embodiment, the target beam is used to receive the second wireless signal.

Example 14

Embodiment 14 illustrates an antenna structure of a user equipment as shown in FIG. As shown in FIG. 14, the user equipment is equipped with M radio frequency chains, which are RF chain #1, RF chain #2, ..., RF chain #M. The M RF chains are connected to a baseband processor.

As an embodiment, the bandwidth supported by any one of the M radio frequency chains does not exceed the bandwidth of the sub-band to which the first type of communication node is configured.

As an embodiment, the M1 radio frequency chains of the M radio frequency chains are superimposed by an antenna to generate an antenna port (Antenna Port), and the M1 radio frequency chains are respectively connected to M1 antenna groups, and the M1 Each antenna group in each antenna group includes a positive integer and an antenna. An antenna group is connected to the baseband processor through a radio frequency chain, and different antenna groups correspond to different RF chains. The mapping coefficients of the antennas included in any of the M1 antenna groups to the antenna ports constitute an analog beamforming vector of the antenna group. The coefficients of the phase shifter and the antenna switching state correspond to the analog beamforming vector. The diagonal arrangement of the corresponding analog beamforming vectors of the M1 antenna groups constitutes an analog beam shaping matrix of the antenna port. The mapping coefficients of the M1 antenna groups to the antenna port constitute a digital beamforming vector of the antenna port.

As an embodiment, the spatial transmission parameter set and the spatial reception parameter set are used for a state of a corresponding antenna switch and a coefficient of a phase shifter.

As an embodiment, the spatial transmission parameter set and the spatial reception parameter set are used for a beamforming coefficient of a corresponding baseband.

As an embodiment, the antenna switch can be used to control the beamwidth, the larger the working antenna spacing, the wider the beam.

As an embodiment, the M1 RF chains belong to the same panel.

As an embodiment, the M1 RF chains are QCL (Quasi Co-Located).

As an embodiment, the M2 radio frequency chains of the M radio frequency chains are superimposed by antenna virtualization to generate one transmit beam or the receive beam, and the M2 radio frequency chains are respectively connected to M2 antenna groups, and the M2 Each antenna group in the antenna group includes a positive integer number of antennas. An antenna group is connected to the baseband processor through a radio frequency chain, and different antenna groups correspond to different RF chains. The mapping coefficients of the antennas included in any of the M2 antenna groups to the receive beam constitute an analog beamforming vector of the receive beam. The diagonal arrangement of the corresponding analog beamforming vectors of the M2 antenna groups constitutes an analog beam shaping matrix of the receiving beam. The mapping coefficients of the M2 antenna groups to the receive beam constitute a digital beamforming vector of the receive beam.

As an embodiment, the M1 RF chains belong to the same panel.

As an embodiment, the M2 RF chains are QCL.

As an embodiment, the directions of the analog beams formed by the M radio frequency chains are respectively indicated by beam direction #1, beam direction #2, beam direction #M-1, and beam direction #M in FIG.

As an embodiment, the sum of the number of layers configured by the user equipment on each of the sub-bands in the parallel sub-band is less than or equal to the M.

As an embodiment, the sum of the number of antenna ports configured by the user equipment on each of the sub-bands in the parallel sub-band is less than or equal to the M.

As an embodiment, for each of the parallel subbands, the layer to antenna port mapping relationship is related to both the number of layers and the number of antenna ports.

As an embodiment, the layer-to-antenna port mapping relationship is default (ie, does not need to be explicitly configured) for each of the parallel sub-bands.

As an embodiment, the layer to antenna ports are one-to-one mapped.

As an embodiment, a layer is mapped onto multiple antenna ports.

Example 15

Embodiment 15 exemplifies a structural block diagram of a processing device in one UE, as shown in FIG. In FIG. 15, the UE processing apparatus 1500 is mainly composed of a first receiver module 1501 and a second transmitter module 1502.

In Embodiment 15, the first receiver module 1501 receives the first control information, and the second transmitter module 1502 transmits the first wireless signal.

In Embodiment 15, the first control information is used to determine a first spatial parameter set, where the first spatial parameter set includes a spatial parameter associated with an uplink wireless signal of the user equipment on a first sub-band; Transmitting a first wireless signal, the first wireless signal being used to determine a target spatial parameter set; the target spatial parameter set including at least one spatial parameter not belonging to the first spatial parameter set, the target spatial parameter set being And a spatial parameter associated with updating an uplink wireless signal of the user equipment on the first sub-band.

As an embodiment, the first receiver module 1501 monitors third control information in a first time window, where the third control information is used to determine that the updated user equipment is on the first subband The spatial parameters associated with the upstream wireless signal.

As an embodiment, the first receiver module 1501 performs energy detection on the first sub-band to determine a first set of spatial parameters; wherein the first set of spatial parameters is associated with the set of target spatial parameters.

As an embodiment, the first receiver module 1501 receives second control information, where the second control information is used to determine a first time resource set; wherein the user equipment is in the first time resource set Performing energy detection on the first sub-band on the time resource to determine the first set of spatial parameters, the first time unit being any one of the time units in the first set of time resources, at the first time The energy detection performed on the first sub-band on the unit is independent of whether the user equipment transmits a wireless signal using frequency domain resources within the first sub-band on a time resource immediately following the first time unit.

As an embodiment, the first receiver module 1501 receives L reference signal groups on the first sub-band; wherein the fourth spatial parameter set is a spatial parameter used to transmit or receive the first reference signal group. And a first reference signal group is one of the L reference signal groups, the fourth spatial parameter group is associated with the target spatial parameter group, and the L is a positive integer.

As an embodiment, the second transmitter module 1502 sends a second wireless signal, and the updated spatial parameter associated with the uplink wireless signal of the user equipment on the first sub-band is used for sending or Receiving the second wireless signal.

As an embodiment, the first receiver module 1501 includes at least the first three of the receiver 456, the receiving processor 452, the MIMO detector 472, and the controller/processor 490 in Embodiment 4.

As a sub-embodiment, the first transmitter module 1502 includes at least the first three of the transmitter 456, the transmit processor 455, the MIMO transmit processor 471, and the controller/processor 490 in Embodiment 4.

Example 16

Embodiment 16 exemplifies a structural block diagram of a processing device in a base station device, as shown in FIG. In FIG. 16, the base station device processing apparatus 1600 is mainly composed of a first transmitter module 1601 and a second receiver module 1602.

In Embodiment 16, the first transmitter module 1601 transmits first control information, and the second receiver module 1602 receives the first wireless signal.

In Embodiment 16, the first control information is used to determine a first spatial parameter set; the first wireless signal is used to determine a target spatial parameter set; the first spatial parameter set includes the first wireless a spatial parameter associated with an uplink wireless signal of the sender of the signal on the first sub-band, the target spatial parameter set including at least one spatial parameter not belonging to the first set of spatial parameters, the target spatial parameter set And is used to update a spatial parameter associated with an uplink wireless signal of the sender of the first wireless signal on the first sub-band.

As an embodiment, the first transmitter module 1601 sends third control information in a first time window, where the third control information indicates that the sender of the updated first wireless signal is in the first sub The spatial parameter associated with the upstream wireless signal on the frequency band.

As an embodiment, the sender of the first wireless signal performs energy detection on the first sub-band to determine a first spatial parameter set; wherein the first spatial parameter set is associated with the target spatial parameter set .

As an embodiment, the first transmitter module 1601 sends second control information, where the second control information is used to determine a first time resource set; wherein the sender of the first wireless signal is in the Performing energy detection on the first sub-band on a time resource within a set of time resources to determine the first set of spatial parameters, the first time unit being any one of the time units in the first set of time resources, Energy detection performed on the first sub-band on the first time unit and whether the sender of the first wireless signal uses the first sub-band on a time resource immediately following the first time unit The frequency domain resource within the transmission has nothing to do with the wireless signal.

As an embodiment, the first transmitter module 1601 transmits L reference signal groups on the first sub-band; wherein the fourth spatial parameter group is a spatial parameter used to transmit or receive the first reference signal group. And a first reference signal group is one of the L reference signal groups, the fourth spatial parameter group is associated with the target spatial parameter group, and the L is a positive integer.

In one embodiment, the second receiver module 1602 receives a second wireless signal, and the spatial parameter associated with the updated uplink wireless signal of the sender of the first wireless signal on the first sub-band Used to transmit or receive the second wireless signal.

As an embodiment, the first transmitter module 1601 includes at least two of the transmitter 416, the transmit processor 415, the MIMO transmit processor 471, and the controller/processor 440 in Embodiment 4.

As an embodiment, the second receiver module 1602 includes at least the first two of the receiver 416, the receiving processor 412, the MIMO detector 442, 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 (enhanced MTC), data card, network card, vehicle communication device, low-cost mobile phone, low Cost equipment 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

A method for use in a user equipment for wireless communication, comprising:

Receiving first control information, where the first control information is used to determine a first spatial parameter set, where the first spatial parameter set includes a spatial parameter associated with an uplink wireless signal of the user equipment on a first sub-band;

Transmitting a first wireless signal, the first wireless signal being used to determine a target spatial parameter set;

The target spatial parameter group includes at least one spatial parameter that does not belong to the first spatial parameter set, and the target spatial parameter group is used to update an uplink wireless signal of the user equipment on the first sub-band The associated spatial parameter.
The method of claim 1 including:

The third control information is monitored within the first time window, the third control information being used to determine a spatial parameter associated with the updated uplink wireless signal of the user equipment on the first sub-band.
The method of claim 1 or 2, comprising:

Performing energy detection on the first sub-band to determine a first set of spatial parameters;

The first spatial parameter group is associated with the target spatial parameter group.
The method according to claim 3, wherein said energy detection comprises a first measurement, said first measurement adopting a second spatial parameter set; wherein said third spatial parameter set is said second spatial parameter set Associated with a spatial parameter group, the third spatial parameter group belongs to the first spatial parameter set, and the result of the first measurement is used to trigger transmission of the first wireless signal, and the target spatial parameter group is Used to replace the third spatial parameter set.
The method according to any one of claims 3 or 4, wherein the energy detection comprises K measurements, wherein the K measurements respectively use K spatial parameter sets; wherein the first space The parameter group is one of the K spatial parameter groups, and the K is a positive integer.
A method according to any one of claims 3 to 5, including

Receiving second control information, the second control information being used to determine a first time resource set;

The user equipment performs energy detection on the first sub-band on the time resource in the first time resource set to determine the first spatial parameter group, where the first time unit is the first time Any one of the time units within the set of resources, the energy detection performed on the first sub-band on the first time unit and whether the user equipment is used on a time resource immediately following the first time unit The frequency domain resources in the first sub-band are independent of the transmission of the wireless signal.
A method according to any one of claims 3 to 6, wherein the transmission of the first wireless signal is triggered by at least one of:

When all the spatial parameters in the first set of spatial parameters are used, the measurement result of the energy detection is not less than the first threshold;

When the partial spatial parameter of the first spatial parameter set is adopted, the measurement result of the energy detection is not less than the first threshold;

When the target spatial parameter in the target spatial parameter set is adopted, the measurement result of the energy detection is less than a second threshold.
A method according to any one of claims 1 to 7, characterized by comprising

Receiving L reference signal groups on the first sub-band;

The fourth spatial parameter group is a spatial parameter group used to transmit or receive the first reference signal group, and the first reference signal group is one of the L reference signal groups, the fourth A spatial parameter set is associated with the target spatial parameter set, the L being a positive integer.
A method according to any one of claims 2 to 8, comprising:

Sending a second wireless signal, where the updated spatial parameter associated with the uplink wireless signal of the user equipment on the first sub-band is used to transmit or receive the second wireless signal.
A method in a base station device used for wireless communication, comprising:

Transmitting first control information, where the first control information is used to determine a first spatial parameter set;

Receiving a first wireless signal, the first wireless signal being used to determine a target spatial parameter set;

The first spatial parameter set includes a spatial parameter associated with an uplink wireless signal of the sender of the first wireless signal on the first sub-band, the target spatial parameter group including at least one not belonging to the a spatial parameter of the first set of spatial parameters, the set of target spatial parameters being used to update a spatial parameter associated with an uplink wireless signal of the sender of the first wireless signal on the first sub-band.
A method according to any of claims 10, comprising:

Transmitting third control information in a first time window, the third control information indicating a spatial parameter associated with the updated uplink wireless signal of the sender of the first wireless signal on the first sub-band.
The method according to claim 10 or 11, wherein the sender of the first wireless signal performs energy detection on the first sub-band to determine a first spatial parameter set; wherein the first space A parameter group is associated with the target spatial parameter group.
The method according to claim 12, wherein said energy detection comprises a first measurement, said first measurement adopting a second spatial parameter set; wherein said third spatial parameter set is said second spatial parameter set Associated with a spatial parameter group, the third spatial parameter group belongs to the first spatial parameter set, and the result of the first measurement is used to trigger transmission of the first wireless signal, and the target spatial parameter group is Used to replace the third spatial parameter set.
The method according to any one of claims 12 or 13, wherein the energy detection comprises K measurements, wherein the K measurements respectively use K spatial parameter sets; wherein the first space The parameter group is one of the K spatial parameter groups, and the K is a positive integer.
A method according to any one of claims 12 to 14 including

Transmitting second control information, where the second control information is used to determine a first time resource set;

The sender of the first wireless signal performs energy detection on the first sub-band on the time resource in the first set of time resources to determine the first spatial parameter group, where the first time unit is And detecting, by any one of the first time resource groups, energy detection performed on the first sub-band on the first time unit and whether the sender of the first wireless signal is following the The time resource on the first time unit is independent of the use of the frequency domain resources in the first sub-band to transmit the wireless signal.
A method according to any one of claims 13 to 15, wherein the transmission of the first wireless signal is triggered by at least one of:

When all the spatial parameters in the first set of spatial parameters are used, the measurement result of the energy detection is not less than the first threshold;

When the partial spatial parameter of the first spatial parameter set is adopted, the measurement result of the energy detection is not less than the first threshold;

When the target spatial parameter in the target spatial parameter set is adopted, the measurement result of the energy detection is less than a second threshold.
A method according to any one of claims 10 to 16 including

Transmitting L reference signal groups on the first sub-band;

The fourth spatial parameter group is a spatial parameter group used to transmit or receive the first reference signal group, and the first reference signal group is one of the L reference signal groups, the fourth A spatial parameter set is associated with the target spatial parameter set, the L being a positive integer.
A method according to any one of claims 11 to 17, comprising:

Receiving a second wireless signal, the spatial parameter associated with the updated uplink wireless signal of the sender of the first wireless signal being used to transmit or receive the second wireless signal.
A user equipment used for wireless communication, comprising:

a first receiver module, configured to receive first control information, where the first control information is used to determine a first spatial parameter set, where the first spatial parameter set includes an uplink wireless signal of the user equipment on a first sub-band Associated spatial parameters;

a second transmitter module, transmitting a first wireless signal, the first wireless signal being used to determine a target spatial parameter set;

The target spatial parameter group includes at least one spatial parameter that does not belong to the first spatial parameter set, and the target spatial parameter group is used to update an uplink wireless signal of the user equipment on the first sub-band The associated spatial parameter.
A base station device used for wireless communication, comprising:

The first transmitter module sends first control information, where the first control information is used to determine a first spatial parameter set;

a second receiver module receiving a first wireless signal, the first wireless signal being used to determine a target spatial parameter set;

The first spatial parameter set includes a spatial parameter associated with an uplink wireless signal of the sender of the first wireless signal on the first sub-band, the target spatial parameter group including at least one not belonging to the a spatial parameter of the first set of spatial parameters, the set of target spatial parameters being used to update a spatial parameter associated with an uplink wireless signal of the sender of the first wireless signal on the first sub-band.