CN109787663B

CN109787663B - Method and device used in user and base station of wireless communication

Info

Publication number: CN109787663B
Application number: CN201711112757.XA
Authority: CN
Inventors: 吴克颖; 张晓博
Original assignee: Shanghai Langbo Communication Technology Co Ltd
Current assignee: Shanghai Langbo Communication Technology Co Ltd
Priority date: 2017-11-13
Filing date: 2017-11-13
Publication date: 2020-06-30
Anticipated expiration: 2037-11-13
Also published as: CN109787663A; CN111769855A; CN111769855B

Abstract

The application discloses a method and a device used in a user and a base station of wireless communication. The user equipment receives a first signaling; wherein the first signaling comprises a first domain and a second domain, a first domain in the first signaling is used for determining a first time interval, and a second domain in the first signaling is used for determining a first antenna port group; the first antenna port group is used to determine multi-antenna related quasi co-location parameters for a target antenna port group; whether the target antenna port group is a second antenna port group or a third antenna port group is related to the first time interval; one antenna port group includes a positive integer number of antenna ports. The method makes full use of the load bit of the fixed scheduling signaling under different scheduling requirements, avoids the waste of partial bits, and simultaneously reduces the complexity of user blind detection.

Description

Method and device used in user and base station of wireless communication

Technical Field

The present application relates to a method and an apparatus for transmitting a wireless signal in a wireless communication system, and more particularly, to a method and an apparatus for transmitting a wireless signal in a wireless communication system supporting multi-antenna transmission.

Background

Large scale (Massive) MIMO has become a research hotspot for next generation mobile communications. In large-scale MIMO, multiple antennas form a narrow beam pointing to a specific direction by beamforming to improve communication quality. The beams formed by multi-antenna beamforming are generally narrow, and the beams of the base station and the user equipment need to be aligned for effective communication. To ensure that the UE can receive or transmit data with the correct beam, the NR (New Radio) system will support dynamic parameters indicating the beam of the UE (User Equipment) and the data channel, according to the discussion of 3GPP (3rd generation partner Project) RAN1(Radio Access Network). How to carry this new added parameter in the most efficient way in dynamic scheduling signaling is a problem to be solved.

Disclosure of Invention

The inventors have found through research that dynamic indication of the beam of the data channel is not required at all times, and in some cases the data channel may use a default or pre-configured beam. In these cases it is not necessary to carry the beam related parameters of the data channel in the dynamic scheduling signaling. But to reduce the complexity of blind detection of users, the format of the scheduling signaling should remain consistent. When the dynamic indication of the beam of the data channel is not needed, how to reasonably utilize redundant bits in the scheduling signaling is a problem to be solved.

In view of the above, the present application discloses a solution. It should be noted that, without conflict, the embodiments and features in the embodiments in the user equipment of the present application may be applied to the base station, and vice versa. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

The application discloses a method in a user equipment used for wireless communication, characterized by comprising:

-receiving a first signaling;

wherein the first signaling comprises a first domain and a second domain, a first domain in the first signaling is used for determining a first time interval, and a second domain in the first signaling is used for determining a first antenna port group; the first antenna port group is used to determine multi-antenna related quasi co-location parameters for a target antenna port group; whether the target antenna port group is a second antenna port group or a third antenna port group is related to the first time interval; one antenna port group includes a positive integer number of antenna ports.

As an embodiment, the essence of the above method is that the first signaling may schedule one physical layer data channel, and the second antenna port group may be used for transmitting wireless signals on the physical layer data channel. The second field in the first signaling may indicate a beam of wireless signals on the physical layer data channel when the beam needs to be dynamically configured; the second field in the first signaling may indicate a multi-antenna related configuration of other wireless signals. The method has the advantages that the second domain in the first signaling is fully utilized, and the waste of the load of the first signaling part is avoided.

As an embodiment, the above method has a benefit that the physical meaning of the second domain in the first signaling is implicitly indicated by the first time interval, saving signaling overhead.

As an embodiment, the first time interval is a time interval between a last multicarrier symbol occupied by the first signaling and a first multicarrier symbol occupied by a first wireless signal, the first signaling comprising scheduling information of the first wireless signal.

As one embodiment, the unit of the first time interval is a slot (slot).

As one embodiment, the unit of the first time interval is a subframe (sub-frame).

As an embodiment, the unit of the first time interval is a multicarrier symbol.

As one embodiment, the unit of the first time interval is milliseconds (ms).

As one embodiment, the first time interval is a non-negative integer.

As an embodiment, the first time interval is equal to 0.

As one embodiment, the first time interval is greater than 0.

As an embodiment, one antenna port is formed by superimposing a plurality of antennas through antenna Virtualization (Virtualization), and mapping coefficients of the plurality of antennas to the one antenna port form a beamforming vector corresponding to the one antenna port.

As a sub-embodiment of the above embodiment, a beamforming vector is formed by the product of an analog beamforming matrix and a digital beamforming vector.

As an embodiment, different antenna ports in one antenna port group correspond to the same analog beamforming matrix.

As an embodiment, different antenna ports in an antenna port group correspond to different digital beamforming vectors.

As an embodiment, the antenna ports in different antenna port groups correspond to different analog beamforming matrices.

For one embodiment, one antenna port group includes one antenna port.

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

For one embodiment, one antenna port group includes a plurality of antenna ports.

As an embodiment, the multi-antenna related quasi co-location parameters for a given antenna port group comprise multi-antenna related quasi co-location parameters for all antenna ports in the given antenna port group.

As an embodiment, the multi-antenna related quasi co-location parameter for a given antenna port group consists of multi-antenna related quasi co-location parameters for all antenna ports in the given antenna port group.

As one embodiment, the multi-antenna related quasi-co-location parameters for a given antenna port include one or more of { angle of arrival (angle of arrival), angle of departure (angle of departure), spatial correlation, transmit beam, receive beam, transmit analog beamforming matrix, receive analog beamforming matrix, transmit spatial filtering (spatial filtering), receive spatial filtering (spatial filtering), multi-antenna related transmission, multi-antenna related reception } of a wireless signal transmitted on the given antenna port.

As an embodiment, all multi-antenna related quasi co-location parameters of any two antenna ports in one antenna port group are equal.

As an embodiment, the partial multi-antenna related quasi co-location parameters of any two antenna ports in one antenna port group are equal.

As an embodiment, the first antenna port group is used to determine the multi-antenna related quasi co-location parameter of the target antenna port group by: all or part of the multi-antenna related quasi co-location parameters of at least one antenna port in the first antenna port group are used for determining all or part of the multi-antenna related quasi co-location parameters of any antenna port in the target antenna port group.

As an embodiment, the first antenna port group is used to determine the multi-antenna related quasi co-location parameter of the target antenna port group by: the user equipment can deduce all or part of the multi-antenna related quasi co-location parameters of any antenna port in the target antenna port group from all or part of the multi-antenna related quasi co-location parameters of at least one antenna port in the first antenna port group.

As an embodiment, the first antenna port group is used to determine the multi-antenna related quasi co-location parameter of the target antenna port group by: the user equipment can assume that all or part of the multi-antenna related quasi co-location parameters of any antenna port in the target antenna port group are equal to all or part of the multi-antenna related quasi co-location parameters of at least one antenna port in the first antenna port group.

As an embodiment, the first antenna port group is used to determine the multi-antenna related quasi co-location parameter of the target antenna port group by: the user equipment may be configured to infer, from all or part of a multi-antenna-related large-scale (performance) characteristic of a wireless signal transmitted on at least one antenna port of the first antenna port group, all or part of a multi-antenna-related large-scale characteristic of a wireless signal transmitted on any antenna port of the target antenna port group. The large-scale characteristics of the multi-antenna correlation include one or more of { angle of arrival (angle of arrival), angle of departure (angle of departure), spatial correlation, transmit beam, receive beam, transmit analog beamforming matrix, receive analog beamforming matrix, transmit spatial filtering, receive spatial filtering, multi-antenna correlated transmit, multi-antenna correlated receive }.

As an embodiment, the first antenna port group is used to determine the multi-antenna related quasi co-location parameter of the target antenna port group by: the analog beamforming matrix corresponding to the first antenna port group is used to determine the analog beamforming matrix corresponding to the target antenna port group.

As an embodiment, the first antenna port group is used to determine the multi-antenna related quasi co-location parameter of the target antenna port group by: the user equipment may assume that the target antenna port group and the first antenna port group correspond to the same analog beamforming matrix.

As an embodiment, the first antenna port group is used to determine the multi-antenna related quasi co-location parameter of the target antenna port group by: the user equipment may assume that the target antenna port group and the first antenna port group correspond to the same transmit spatial filtering (spatialfiltering).

As an embodiment, the first antenna port group is used to determine the multi-antenna related quasi co-location parameter of the target antenna port group by: an analog beamforming matrix for receiving wireless signals transmitted on the first antenna port group is used to determine an analog beamforming matrix for receiving wireless signals transmitted on the target antenna port group.

As an embodiment, the first antenna port group is used to determine the multi-antenna related quasi co-location parameter of the target antenna port group by: the user equipment may receive the wireless signal transmitted on the first antenna port group and the wireless signal transmitted on the target antenna port group using the same analog beamforming matrix.

As an example, receiving a given wireless signal with a given analog beamforming matrix refers to: and a vector obtained by multiplying the given analog beamforming matrix by a digital beamforming vector is used as a receiving beamforming vector to receive the given wireless signal.

As an embodiment, the first antenna port group is used to determine the multi-antenna related quasi co-location parameter of the target antenna port group by: the user equipment may receive the wireless signal transmitted on the first antenna port group and the wireless signal transmitted on the target antenna port group with the same receive spatial filtering (spatialfiltering).

As an embodiment, whether the target antenna port group is a second antenna port group or a third antenna port group and the first time interval are related to: the first time interval is used to determine the target antenna port group from { the second antenna port group, the third antenna port group }, the target antenna port group being one of { the second antenna port group, the third antenna port group }.

For one embodiment, the target antenna port group is the third antenna port group if the first time interval is less than a first threshold; otherwise, the target antenna port group is the second antenna port group. The first threshold is a positive integer.

As an embodiment, the first signaling is physical layer signaling.

As an embodiment, the first signaling is dynamic signaling.

As an embodiment, the first signaling includes DCI (Downlink Control Information).

As an embodiment, the first field in the first signaling comprises a positive integer number of bits.

As an embodiment, a first field in the first signaling explicitly indicates the first time interval.

As an embodiment, a first field in the first signaling implicitly indicates the first time interval.

As an embodiment, the second field in the first signaling comprises a positive integer number of bits.

As an embodiment, the second field in the first signaling comprises 3 bits.

As an embodiment, the second field in the first signaling comprises 2 bits.

As an embodiment, the second field in the first signaling comprises 1 bit.

As an embodiment, the second field in the first signaling includes a TCI (transmission configuration indication).

As an embodiment, the second field in the first signaling indicates the first antenna port group.

As one embodiment, the first antenna port group belongs to a first set of antenna port groups belonging to K1 sets of candidate antenna port groups, and the second field in the first signaling indicates an index of the first set of antenna port groups among the K1 sets of candidate antenna port groups. The K1 is a positive integer greater than 1, each of the K1 sets of candidate antenna port groups including a positive integer number of antenna port groups.

As a sub-embodiment of the above-mentioned embodiments, the number of antenna port groups included in any two of the K1 candidate antenna port group sets is equal.

As a sub-embodiment of the foregoing embodiment, at least two candidate antenna port group sets of the K1 candidate antenna port group sets include unequal numbers of antenna port groups.

As one embodiment, the first antenna port group belongs to K2 candidate antenna port groups, and the second field in the first signaling indicates an index of the first antenna port group among the K2 candidate antenna port groups. The K2 is a positive integer greater than 1.

As an embodiment, the first signaling is transmitted on a downlink physical layer control channel (i.e. a downlink channel that can only be used to carry physical layer signaling).

As a sub-embodiment of the foregoing embodiment, the downlink physical layer control CHannel is a PDCCH (physical downlink control CHannel).

As a sub-embodiment of the foregoing embodiment, the downlink physical layer control channel is an sPDCCH (short PDCCH).

As a sub-embodiment of the foregoing embodiment, the downlink physical layer control channel is an NR-PDCCH (new radio PDCCH).

As a sub-embodiment of the foregoing embodiment, the downlink physical layer control channel is an NB-PDCCH (narrow band PDCCH).

According to one aspect of the application, the method is characterized by comprising the following steps:

-receiving a first wireless signal or transmitting a first wireless signal;

wherein the first signaling comprises scheduling information of the first wireless signal; the first wireless signal is transmitted by the second antenna port group; whether a second field in the first signaling is correlated with a multiple antenna related quasi co-location parameter of the second antenna port group is related to the first time interval.

As an embodiment, the above method has a benefit that implicitly indicating with the first time interval whether the multi-antenna related configuration of the transmit antenna port group of the first wireless signal is indicated by the second field in the first signaling reduces the corresponding signaling overhead.

As an embodiment, the scheduling information of the first wireless signal includes at least one of { MCS (Modulation and coding Scheme), dmrs (Modulation Reference signals), HARQ (Hybrid Automatic Repeat reQuest) process number, RV (redundancy version), NDI (New Data Indicator) }.

As a sub-embodiment of the foregoing embodiment, the configuration information of the DMRS includes one or more of { occupied time domain resource, occupied frequency domain resource, occupied Code domain resource, cyclic shift amount (cyclic shift), and orthogonal Code (OCC) }.

As an embodiment, the first time interval is used to determine whether a second field in the first signaling and a multi-antenna related quasi co-location parameter of the second antenna port group are related.

As an embodiment, if the first time interval is smaller than a first threshold, the second field in the first signaling is independent of the multiple-antenna related quasi co-location parameter of the second antenna port group; the second field in the first signaling is associated with a multiple antenna associated quasi co-location parameter of the second antenna port group if the first time interval is greater than or equal to the first threshold.

As an embodiment, the quasi co-location parameter correlation of the second domain in the first signaling and the multiple antennas of the second antenna port group refers to: a second field in the first signaling is used to determine a multi-antenna related quasi co-location parameter for each antenna port in the second antenna port group.

As an embodiment, the quasi co-location parameter correlation of the second domain in the first signaling and the multiple antennas of the second antenna port group refers to: a second field in the first signaling is used to determine an analog beamforming matrix corresponding to the second antenna port group.

As an embodiment, the quasi co-location parameter correlation of the second domain in the first signaling and the multiple antennas of the second antenna port group refers to: a second field in the first signaling is used to determine an analog beamforming matrix for receiving wireless signals transmitted on the second group of antenna ports.

As an embodiment, the quasi co-location parameter correlation of the second domain in the first signaling and the multiple antennas of the second antenna port group refers to: the first antenna port group and the second antenna port group correspond to the same analog beamforming matrix.

As an embodiment, the quasi co-location parameter correlation of the second domain in the first signaling and the multiple antennas of the second antenna port group refers to: the first antenna port group and the second antenna port group correspond to the same transmit spatial filtering (spatialfiltering).

As an embodiment, the quasi co-location parameter correlation of the second domain in the first signaling and the multiple antennas of the second antenna port group refers to: the user equipment may receive the wireless signal transmitted on the first antenna port group and the wireless signal transmitted on the second antenna port group using the same analog beamforming matrix.

As an embodiment, the quasi co-location parameter correlation of the second domain in the first signaling and the multiple antennas of the second antenna port group refers to: the user equipment may receive the wireless signals transmitted on the first antenna port group and the wireless signals transmitted on the second antenna port group with the same receive spatial filtering (spatialfiltering).

As an embodiment, the quasi co-location parameter correlation of the second domain in the first signaling and the multiple antennas of the second antenna port group refers to: the multi-antenna related quasi co-location parameters of the second antenna port group may be inferred from the multi-antenna related quasi co-location parameters of the first antenna port group.

As an embodiment, the quasi co-location parameter correlation of the second domain in the first signaling and the multiple antennas of the second antenna port group refers to: the user equipment may assume that the first antenna port group and the second antenna port group have the same multi-antenna related quasi co-location parameters.

As an embodiment, the quasi co-location parameter correlation of the second domain in the first signaling and the multiple antennas of the second antenna port group refers to: the user equipment is capable of inferring a multi-antenna-related large-scale (property) characteristic of a wireless signal transmitted on any antenna port of the second antenna port group from a multi-antenna-related large-scale (large-scale) characteristic of a wireless signal transmitted on at least one antenna port of the first antenna port group. The large-scale characteristics of the multi-antenna correlation include one or more of { angle of arrival (angle of arrival), angle of departure (angle of departure), spatial correlation, transmit beam, receive beam, transmit analog beamforming matrix, receive analog beamforming matrix, transmit spatial filtering, receive spatial filtering, multi-antenna correlated transmit, multi-antenna correlated receive }.

As an embodiment, if the second field in the first signaling is independent of the multi-antenna related quasi co-location parameters of the second antenna port group, the multi-antenna related quasi co-location parameters of the second antenna port group may be inferred from the multi-antenna related quasi co-location parameters of a default (not necessarily configured) antenna port group.

As an embodiment, if the second field in the first signaling is not related to the multi-antenna related quasi co-location parameters of the second antenna port group, the analog beamforming matrix corresponding to the second antenna port group is default (not required to be configured).

As an embodiment, if the second field in the first signaling is not related to the multi-antenna related quasi co-location parameter of the second antenna port group, the transmit spatial filtering (spatial filtering) corresponding to the second antenna port group is default (not required to be configured).

As an embodiment, if the second field in the first signaling is not related to the multi-antenna related quasi co-location parameter of the second antenna port group, the ue receives the wireless signal transmitted on the second antenna port group by using a default (not required to be configured) analog beamforming matrix.

As an embodiment, if the second field in the first signaling is not related to the multi-antenna related quasi co-location parameter of the second antenna port group, the ue receives the wireless signal transmitted on the second antenna port group with a default (no configuration required) spatial filtering.

As an embodiment, if the second field in the first signaling is independent of the multi-antenna related quasi co-location parameters of the second antenna port group, the multi-antenna related quasi co-location parameters of the second antenna port group may be inferred from the multi-antenna related quasi co-location parameters of a pre-configured antenna port group.

As an embodiment, if the second field in the first signaling is not related to the quasi co-location parameter related to multiple antennas of the second antenna port group, the analog beamforming matrix corresponding to the second antenna port group is pre-configured.

As an embodiment, if the second field in the first signaling is not related to the multi-antenna related quasi co-location parameter of the second antenna port group, the transmit spatial filtering (spatial filtering) corresponding to the second antenna port group is preconfigured.

As an embodiment, if the second field in the first signaling is not related to the quasi co-location parameter related to multiple antennas of the second antenna port group, the ue receives the wireless signal transmitted on the second antenna port group by using a pre-configured analog beamforming matrix.

As an embodiment, if the second field in the first signaling is not related to the multiple-antenna related quasi co-location parameter of the second antenna port group, the ue receives the wireless signal transmitted on the second antenna port group by using a pre-configured spatial filtering (spatial filtering).

As an embodiment, the second antenna port group and the transmit antenna port group of the first signaling are quasi co-located if the second field in the first signaling is not related to the multi-antenna related quasi co-location parameters of the second antenna port group.

As an embodiment, if the second field in the first signaling is independent of the multi-antenna related quasi co-location parameters of the second antenna port group, the second antenna port group and the transmitting antenna port group of the first signaling have the same multi-antenna related quasi co-location parameters.

As an embodiment, if the second field in the first signaling is not related to the multi-antenna related quasi co-location parameter of the second antenna port group, the second antenna port group and the transmitting antenna port group of the first signaling correspond to the same analog beamforming matrix.

As an embodiment, if the second field in the first signaling is not related to the multi-antenna related quasi co-location parameter of the second antenna port group, the second antenna port group and the transmit antenna port group of the first signaling correspond to the same transmit spatial filtering (spatial filtering).

As an embodiment, if the second field in the first signaling is independent of the multi-antenna related quasi co-location parameters of the second antenna port group, the ue may receive the first signaling and the wireless signals transmitted on the second antenna port group using the same analog beamforming matrix.

As an embodiment, if the second field in the first signaling is independent of the multi-antenna related quasi co-location parameters of the second antenna port group, the user equipment may receive the wireless signal transmitted on the second antenna port group and the first signaling with the same receive spatial filtering (spatial filtering).

As an embodiment, the second antenna port group includes M antenna ports, the first wireless signal includes M sub-signals, and the M sub-signals are respectively transmitted by the M antenna ports; and M is a positive integer.

As a sub-embodiment of the foregoing embodiment, the time-frequency resources occupied by the M sub-signals are completely overlapped, and M is greater than 1.

As a sub-embodiment of the foregoing embodiment, time-frequency resources occupied by at least two sub-signals of the M sub-signals are partially overlapped, and M is greater than 1.

As a sub-embodiment of the foregoing embodiment, time-frequency resources occupied by any two sub-signals in the M sub-signals are mutually orthogonal (non-overlapping), and M is greater than 1.

As a sub-embodiment of the above embodiment, said M is equal to 1.

As a sub-embodiment of the above embodiment, said M is greater than 1.

As an embodiment, the first wireless signal is transmitted on a downlink physical layer data channel (i.e. a downlink channel capable of carrying physical layer data), and the user equipment receives the first wireless signal.

As a sub-embodiment of the foregoing embodiment, the downlink physical layer data CHannel is a PDSCH (physical downlink Shared CHannel).

As a sub-embodiment of the foregoing embodiment, the downlink physical layer data channel is sPDSCH (short PDSCH).

As a sub-embodiment of the above embodiment, the downlink physical layer data channel is NR-PDSCH (new radio PDSCH).

As a sub-embodiment of the above embodiment, the downlink physical layer data channel is NB-PDSCH (NarrowBand band PDSCH).

As an embodiment, the transmission channel corresponding to the first radio signal is a DL-SCH (downlink shared channel), and the user equipment receives the first radio signal.

As an embodiment, the first wireless signal is transmitted on an uplink physical layer data channel (i.e. an uplink channel capable of carrying physical layer data), and the user equipment transmits the first wireless signal.

As a sub-embodiment of the foregoing embodiment, the uplink physical layer data CHannel is a PUSCH (physical uplink Shared CHannel).

As a sub-embodiment of the foregoing embodiment, the uplink physical layer data channel is sPUSCH (short PUSCH).

As a sub-embodiment of the foregoing embodiment, the uplink physical layer data channel is NR-PUSCH (new radio PUSCH).

As a sub-embodiment of the foregoing embodiment, the uplink physical layer data channel is NB-PUSCH (NarrowBand band PUSCH).

As an embodiment, the transmission channel corresponding to the first radio signal is UL-SCH (uplink shared channel), and the user equipment transmits the first radio signal.

According to an aspect of the application, the second field in the first signaling is used to determine a fourth antenna port group, and the fourth antenna port group is used to determine at least the former multi-antenna independent quasi co-location parameter in { the target antenna port group, the second antenna port group }.

As one embodiment, the first antenna port group and the fourth antenna port group constitute a first antenna port group set belonging to K1 candidate antenna port group sets, a second field in the first signaling indicating an index of the first antenna port group set among the K1 candidate antenna port group sets. The K1 is a positive integer greater than 1, each of the K1 sets of candidate antenna port groups including a positive integer number of antenna port groups.

For one embodiment, the multiple-antenna independent quasi co-location parameters for a given antenna port group include multiple-antenna independent quasi co-location parameters for each antenna port in the given antenna port group.

As an embodiment, the multiple-antenna independent quasi co-location parameter for a given antenna port group consists of multiple-antenna independent quasi co-location parameters for each antenna port in the given antenna port group.

As an embodiment, the multiple-antenna related and multiple-antenna independent quasi co-location parameters for a given antenna port constitute the quasi co-location parameters for the given antenna port. The quasi-co-location parameters of the given antenna port refer to: QCL parameters (Quasi Co-Locatedparameters) for the given antenna port.

As an embodiment, the multiple-antenna independent quasi-co-location parameter for a given antenna port includes one or more of { delay spread (delay spread), Doppler spread (Doppler spread), Doppler shift (Doppler shift), path loss (pathloss), and average gain (averaging gain) } of a channel experienced by a wireless signal transmitted on the given antenna port.

As an embodiment, all multi-antenna independent quasi co-location parameters of any two antenna ports in an antenna port group are equal.

As an embodiment, some of all of the multi-antenna independent quasi co-location parameters of any two antenna ports in an antenna port group are equal.

As an embodiment, the first reference antenna port group is used to determine the multi-antenna independent quasi co-location parameter of the second reference antenna port group by: the multi-antenna independent quasi co-location parameters of at least one antenna port of the first reference antenna port group are used to determine multi-antenna independent quasi co-location parameters of any antenna port of the second reference antenna port group.

As an embodiment, the first reference antenna port group is used to determine the multi-antenna independent quasi co-location parameter of the second reference antenna port group by: the multi-antenna independent quasi co-location parameter for any antenna port of the second reference antenna port set may be inferred from the multi-antenna independent quasi co-location parameter for at least one antenna port of the first reference antenna port set.

As an embodiment, the first reference antenna port group is used to determine the multi-antenna independent quasi co-location parameter of the second reference antenna port group by: the user equipment may assume that all or part of the multi-antenna independent quasi co-location parameters of any antenna port in the second reference antenna port group and all or part of the multi-antenna independent quasi co-location parameters of at least one antenna port in the first reference antenna port group are the same.

As an embodiment, the fourth antenna port group is used to determine multi-antenna independent quasi co-location parameters of the target antenna port group and the second antenna port group.

As an embodiment, the fourth antenna port group is used to determine a multi-antenna independent quasi co-location parameter of the target antenna port group, the multi-antenna independent quasi co-location parameter of the second antenna port group being independent of the fourth antenna port group.

According to one aspect of the present application, the second field in the first signaling is independent of the multi-antenna related quasi co-location parameters of the second antenna port group; if the first antenna port group and the second antenna port group are quasi co-located, the fourth antenna port group is used to determine a multi-antenna independent quasi co-location parameter for the second antenna port group; otherwise, the multi-antenna independent quasi co-location parameter of the second antenna port group is independent of the fourth antenna port group.

As an embodiment, the above method has the advantage that the second field of the first signaling may also be used to indicate a multi-antenna independent parameter of the second antenna port group, when the multi-antenna dependent configuration of the second antenna port group is independent of the second field of the first signaling. This approach further improves the utilization of the second domain of the first signaling.

As an embodiment, the quasi co-location refers to: QCL (Quasi Co-Located).

As an embodiment, two antenna port groups are quasi co-located means: any one antenna port in one of the two antenna port groups and at least one antenna port in the other of the two antenna port groups are quasi co-located.

As an embodiment, two antenna port groups are quasi co-located means: at least one antenna port in one of the two antenna port groups and at least one antenna port in the other of the two antenna port groups are quasi co-located.

As an embodiment, two antenna port groups are quasi co-located means: any one antenna port in one of the two antenna port groups and any one antenna port in the other of the two antenna port groups are quasi co-located.

As an embodiment, two antenna ports are quasi co-located meaning: all or part of the large-scale (properties) characteristics of the wireless signal transmitted on one of the two antenna ports can be inferred from all or part of the large-scale (properties) characteristics of the wireless signal transmitted on the other of the two antenna ports. The large-scale characteristics include one or more of { delay spread (delay spread), Doppler spread (Doppler spread), Doppler shift (Doppler shift), path loss (path), average gain (average gain), average delay (average delay), angle of arrival (angle of arrival), angle of departure (angle of departure), spatial correlation, transmit beam, receive beam, transmit analog beamforming matrix, receive analog beamforming matrix, transmit spatial filtering (spatial filtering), receive spatial filtering (spatial filtering), multi-antenna correlated transmit, multi-antenna correlated receive }.

As an embodiment, two antenna ports are quasi co-located meaning: the two antenna ports have at least one same quasi co-location parameter, and the quasi co-location parameter is a multi-antenna related quasi co-location parameter or a multi-antenna unrelated quasi co-location parameter.

As an embodiment, two antenna ports are quasi co-located meaning: at least one quasi co-location parameter of one of the two antenna ports can be inferred from at least one quasi co-location parameter of the other of the two antenna ports; the quasi-co-location parameter is a multi-antenna related quasi-co-location parameter or a multi-antenna unrelated quasi-co-location parameter.

As an embodiment, two antenna ports are quasi co-located meaning: the two antenna ports correspond to the same analog beamforming matrix.

As an embodiment, two antenna ports are quasi co-located meaning: the two antenna ports correspond to the same beamforming vector.

As an embodiment, two antenna ports are quasi co-located meaning: the two antenna ports correspond to the same transmit spatial filtering (spatialfiltering).

As an embodiment, two antenna ports are quasi co-located meaning: a target receiver of a wireless signal transmitted on any one of the two antenna ports may receive the wireless signals transmitted on the two antenna ports with the same beamforming vector.

As an embodiment, two antenna ports are quasi co-located meaning: the intended receiver of the wireless signals transmitted on any one of the two antenna ports can receive the wireless signals transmitted on the two antenna ports with the same analog beamforming matrix.

As an embodiment, two antenna ports are quasi co-located meaning: an intended recipient of wireless signals transmitted on either of the two antenna ports may receive the wireless signals transmitted on the two antenna ports with the same spatial filtering.

As an embodiment, any two antenna ports in a group of antenna ports are quasi co-located.

As an embodiment, the first antenna port group and the second antenna port group are quasi co-located means that: any antenna port in the first antenna port group and at least one antenna port in the second antenna port group have the same multi-antenna related quasi co-location parameters.

As an embodiment, the first antenna port group and the second antenna port group are quasi co-located means that: the user equipment is capable of inferring a multi-antenna-related large-scale (property) characteristic of a wireless signal transmitted on any antenna port of the second antenna port group from a multi-antenna-related large-scale (large-scale) characteristic of a wireless signal transmitted on at least one antenna port of the first antenna port group. The large-scale characteristics of the multi-antenna correlation include one or more of { angle of arrival (angle of arrival), angle of departure (angle of departure), spatial correlation, transmit beam, receive beam, transmit analog beamforming matrix, receive analog beamforming matrix, transmit spatial filtering, receive spatial filtering, multi-antenna correlated transmit, multi-antenna correlated receive }.

-operating the first reference signal;

wherein the first signaling comprises a third domain, and the third domain in the first signaling comprises configuration information of the first reference signal; the transmit antenna port set and the target antenna port set of the first reference signal are quasi co-located; the operation is transmitting or the operation is receiving.

As an embodiment, the above method has the advantage that the second field of the first signaling may be used to indicate the multi-antenna related configuration of the transmitting antenna port group of the first reference signal when the multi-antenna related configuration of the second antenna port group does not require dynamic configuration.

For one embodiment, the first reference signal is transmitted by the target antenna port group.

As an embodiment, a third field in the first signaling triggers the ue to transmit the first reference signal, and the operation is transmitting.

As an embodiment, a third field in the first signaling triggers reception of the first reference signal by the user equipment, and the operation is reception.

As an embodiment, the first Reference Signal includes an SRS (Sounding Reference Signal), and the operation is transmitting.

As an embodiment, the first Reference Signal includes a CSI-RS (Channel State Information-Reference Signal), and the operation is receiving.

As an embodiment, time domain resources occupied by the first reference signal and the first wireless signal are mutually orthogonal (non-overlapping), and the target antenna port group is the third antenna port group.

As an embodiment, the time domain resources occupied by the first reference signal are subsequent to the time domain resources occupied by the first wireless signal, and the target antenna port group is the third antenna port group.

As an embodiment, time domain resources occupied by the first reference signal and the first wireless signal are overlapped, and the target antenna port group is the second antenna port group.

In an embodiment, the time domain resources occupied by the first reference signal are within the time domain resources occupied by the first wireless signal, and the target antenna port group is the second antenna port group.

As an embodiment, the configuration information of the first reference signal includes at least one of { occupied time domain resource, occupied frequency domain resource, occupied code domain resource, cyclic shift amount (cyclic shift), OCC (Orthogonal code), occupied antenna port, corresponding transmit beamforming vector, corresponding receive beamforming vector, corresponding transmit spatial filtering (spatial filtering), and corresponding receive spatial filtering (spatial filtering) }.

As an embodiment, the configuration information of the first reference signal belongs to N candidate configuration information, where N is a positive integer greater than 1. A third field in the first signaling indicates an index of the configuration information of the first reference signal among the N candidate configuration information.

As an embodiment, the third field in the first signaling includes srsrsrequest, and the operation is sending.

As an embodiment, the third field in the first signaling comprises an Aperiodic CSI-RS resource identifier, and the operation is receiving.

As an embodiment, the third field in the first signaling comprises a positive integer number of bits.

As an embodiment, the third field in the first signaling comprises 1 bit.

As an embodiment, the third field in the first signaling comprises 2 bits.

As an embodiment, the third field in the first signaling comprises 3 bits.

-receiving second signaling;

the sending antenna port group and the target antenna port group of the second signaling are quasi co-located, and the time-frequency resources occupied by the first signaling and the second signaling belong to a first time-frequency resource block.

As an embodiment, the above method has the advantage that the second field of the first signaling may be used to update the multi-antenna related configuration of the transmitting antenna port group of the scheduling signaling when the multi-antenna related configuration of the second antenna port group does not require dynamic configuration.

As an embodiment, the second signaling is sent by the target antenna port group.

As an embodiment, the first time/frequency REsource block is a CORESET (COntrol REsource SET).

As an embodiment, the first time-frequency resource block is a search space (searchingspace).

As an embodiment, the first time-frequency resource block is multiple occurrences in the time domain.

As a sub-embodiment of the foregoing embodiment, a time interval between any two adjacent occurrences of the first time-frequency resource block in the time domain is equal.

As an embodiment, the first time-frequency resource block occurs only once in the time domain.

As an embodiment, the first time-frequency resource block includes a positive integer number of discontinuous slots (slots) in a time domain.

As an embodiment, the first time-frequency resource block includes a positive integer number of consecutive slots (slots) in a time domain.

As one embodiment, the first time-frequency resource block includes a positive integer number of discontinuous sub-frames in the time domain.

As one embodiment, the first time-frequency resource block includes a positive integer number of consecutive sub-frames (sub-frames) in the time domain.

As an embodiment, the first time-frequency resource block includes a positive integer number of discontinuous multicarrier symbols in a time domain.

As an embodiment, the first time-frequency resource block includes a positive integer number of consecutive multicarrier symbols in a time domain.

As an embodiment, the first time-frequency resource block includes a positive integer number of discontinuous subcarriers in a frequency domain.

As an embodiment, the first time-frequency resource block includes a positive integer number of consecutive subcarriers in a frequency domain.

As an embodiment, the transmit antenna port group and the target antenna port group of the second signaling are quasi co-located, and the target antenna port group is the third antenna port group.

As an embodiment, the target antenna port group and the transmit antenna port group of the first signaling are different.

As an embodiment, the target antenna port group and the transmit antenna port group of the first signaling correspond to different analog beamforming matrices.

As an embodiment, the target antenna port group and the transmit antenna port group of the first signaling correspond to different transmit spatial filtering (spatial filtering).

As an embodiment, the target antenna port group and the transmit antenna port group of the first signaling are not quasi co-located.

As an embodiment, the user equipment cannot receive the wireless signal and the first signaling transmitted on the target antenna port group with the same analog beamforming matrix.

As an embodiment, the user equipment cannot receive the wireless signal transmitted on the target antenna port group and the first signaling with the same receive spatial filtering (spatialization).

As an embodiment, the multi-antenna related quasi co-location parameter of the target antenna port group cannot be inferred from the multi-antenna related quasi co-location parameter of the transmit antenna port group of the first signaling.

As an embodiment, the multi-antenna independent quasi co-location parameter of the target antenna port group cannot be inferred from the multi-antenna independent quasi co-location parameter of the transmit antenna port group of the first signaling.

As an embodiment, the second signaling is physical layer signaling.

As an embodiment, the second signaling is dynamic signaling.

As an embodiment, the second signaling is transmitted on a downlink physical layer control channel (i.e. a downlink channel that can only be used for carrying physical layer signaling).

As a sub-embodiment of the foregoing embodiment, the downlink physical layer control channel is a PDCCH.

As a sub-embodiment of the foregoing embodiment, the downlink physical layer control channel is sPDCCH.

As a sub-embodiment of the above-mentioned embodiment, the downlink physical layer control channel is an NR-PDCCH.

As a sub-embodiment of the foregoing embodiment, the downlink physical layer control channel is an NB-PDCCH.

As an embodiment, the time domain resources occupied by the second signaling are subsequent to the time domain resources occupied by the first wireless signal.

-receiving downlink information;

wherein the downlink information is used to determine a first threshold, and if the first time interval is less than the first threshold, the target antenna port group is the third antenna port group; the target antenna port group is the second antenna port group if the first time interval is greater than or equal to the first threshold.

As one embodiment, the first threshold is a positive integer.

As one embodiment, the first threshold is semi-static (semi-static) configured.

As an embodiment, the first threshold is cell common.

As an embodiment, the first threshold is UE (User Equipment) -specific (UE-specific).

As an embodiment, if the first time interval is smaller than the first threshold, the second field in the first signaling is independent of the multiple-antenna related quasi co-location parameter of the second antenna port group; otherwise, the second field in the first signaling is related to the multi-antenna related quasi co-location parameter of the second antenna port group.

As an embodiment, if the first time interval is less than the first threshold, the transmit antenna port set and the third antenna port set of the first reference signal are quasi co-located; otherwise the transmit antenna port set and the second antenna port set of the first reference signal are quasi co-located.

As an embodiment, if the first time interval is less than the first threshold, the transmit antenna port set and the third antenna port set of the second signaling are quasi co-located; otherwise, the transmitting antenna port group and the second antenna port group of the second signaling are quasi co-located.

As an embodiment, the downlink information is carried by higher layer signaling.

As an embodiment, the downlink information is carried by RRC (Radio Resource Control) signaling.

As an embodiment, the downlink information is carried by a mac ce (Medium Access Control layer Control Element) signaling.

As an embodiment, the downlink information is transmitted on a downlink physical layer data channel (i.e. a downlink channel that can be used to carry physical layer data).

As an embodiment, the downlink physical layer data channel is a PDSCH.

As an embodiment, the downlink physical layer data channel is sPDSCH.

As an embodiment, the downlink physical layer data channel is a NR-PDSCH.

As an embodiment, the downlink physical layer data channel is an NB-PDSCH.

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

-transmitting first signalling;

As an embodiment, the first time interval is a time interval between a last multicarrier symbol occupied by the first signaling and a first multicarrier symbol occupied by the first wireless signal.

As one embodiment, the first time interval is a non-negative integer.

As an embodiment, the target antenna port group is one of { the second antenna port group, the third antenna port group }, and the first time interval is used to determine the target antenna port group from { the second antenna port group, the third antenna port group }.

As an embodiment, the first signaling is physical layer signaling.

As one embodiment, the first signaling includes DCI.

For one embodiment, the second field in the first signaling comprises a TCI.

-transmitting a first wireless signal or receiving a first wireless signal;

As an embodiment, the first wireless signal is transmitted on a downlink physical layer data channel (i.e. a downlink channel capable of carrying physical layer data), and the base station transmits the first wireless signal.

As an embodiment, the first wireless signal is transmitted on an uplink physical layer data channel (i.e. an uplink channel that can be used to carry physical layer data), and the base station receives the first wireless signal.

As an embodiment, the quasi co-location refers to: QCL (Quasi Co-Located).

-performing a first reference signal;

wherein the first signaling comprises a third domain, and the third domain in the first signaling comprises configuration information of the first reference signal; the transmit antenna port set and the target antenna port set of the first reference signal are quasi co-located; the performing is receiving or the performing is transmitting.

As one embodiment, the first reference signal includes an SRS, and the performing is receiving.

As one embodiment, the first reference signal includes CSI-RS, and the performing is transmitting.

-transmitting second signaling;

As an embodiment, the second signaling is physical layer signaling.

-transmitting downlink information;

As one embodiment, the first threshold is a positive integer.

The application discloses a user equipment used for wireless communication, which is characterized by comprising:

a first receiver module to receive a first signaling;

As an embodiment, the user equipment used for wireless communication described above is characterized by comprising:

the first processing module receives a first wireless signal or sends the first wireless signal;

As an embodiment, the above user equipment for wireless communication is characterized in that the second field in the first signaling is used for determining a fourth antenna port group, and the fourth antenna port group is used for determining at least the former multi-antenna independent quasi co-location parameter in { the target antenna port group, the second antenna port group }.

As a sub-embodiment of the above-mentioned embodiment, the above-mentioned user equipment used for wireless communication is characterized in that the second field in the first signaling is independent of the multiple-antenna related quasi co-location parameters of the second antenna port group; if the first antenna port group and the second antenna port group are quasi co-located, the fourth antenna port group is used to determine a multi-antenna independent quasi co-location parameter for the second antenna port group; otherwise, the multi-antenna independent quasi co-location parameter of the second antenna port group is independent of the fourth antenna port group.

As an embodiment, the user equipment used for wireless communication is characterized in that the first processing module further transmits a first reference signal; wherein the first signaling comprises a third domain, and the third domain in the first signaling comprises configuration information of the first reference signal; the transmit antenna port set and the target antenna port set of the first reference signal are quasi co-located.

As an embodiment, the user equipment used for wireless communication is characterized in that the first processing module further receives a first reference signal; wherein the first signaling comprises a third domain, and the third domain in the first signaling comprises configuration information of the first reference signal; the transmit antenna port set and the target antenna port set of the first reference signal are quasi co-located.

As an embodiment, the above user equipment for wireless communication is characterized in that the first receiver module further receives a second signaling; the sending antenna port group and the target antenna port group of the second signaling are quasi co-located, and the time-frequency resources occupied by the first signaling and the second signaling belong to a first time-frequency resource block.

As an embodiment, the user equipment used for wireless communication is characterized in that the first receiver module further receives downlink information; wherein the downlink information is used to determine a first threshold, and if the first time interval is less than the first threshold, the target antenna port group is the third antenna port group; the target antenna port group is the second antenna port group if the first time interval is greater than or equal to the first threshold.

The application discloses a base station device used for wireless communication, which is characterized by comprising:

the first transmitter module transmits a first signaling;

As an embodiment, the base station apparatus used for wireless communication described above is characterized by comprising:

the second processing module is used for sending the first wireless signal or receiving the first wireless signal;

As an embodiment, the above base station apparatus for wireless communication is characterized in that the second field in the first signaling is used to determine a fourth antenna port group, and the fourth antenna port group is used to determine at least the former multi-antenna independent quasi co-location parameter in { the target antenna port group, the second antenna port group }.

As a sub-embodiment of the above-mentioned embodiment, the above-mentioned base station apparatus used for wireless communication is characterized in that the second field in the first signaling is independent of the multiple-antenna related quasi co-location parameter of the second antenna port group; if the first antenna port group and the second antenna port group are quasi co-located, the fourth antenna port group is used to determine a multi-antenna independent quasi co-location parameter for the second antenna port group; otherwise, the multi-antenna independent quasi co-location parameter of the second antenna port group is independent of the fourth antenna port group.

As an embodiment, the base station device used for wireless communication described above is characterized in that the second processing module further receives a first reference signal; wherein the first signaling comprises a third domain, and the third domain in the first signaling comprises configuration information of the first reference signal; the transmit antenna port set and the target antenna port set of the first reference signal are quasi co-located.

As an embodiment, the base station device used for wireless communication is characterized in that the second processing module further transmits a first reference signal; wherein the first signaling comprises a third domain, and the third domain in the first signaling comprises configuration information of the first reference signal; the transmit antenna port set and the target antenna port set of the first reference signal are quasi co-located.

As an embodiment, the above base station apparatus for wireless communication is characterized in that the first transmitter module further transmits a second signaling; the sending antenna port group and the target antenna port group of the second signaling are quasi co-located, and the time-frequency resources occupied by the first signaling and the second signaling belong to a first time-frequency resource block.

As an embodiment, the base station apparatus used for wireless communication is characterized in that the first transmitter module further transmits downlink information; wherein the downlink information is used to determine a first threshold, and if the first time interval is less than the first threshold, the target antenna port group is the third antenna port group; the target antenna port group is the second antenna port group if the first time interval is greater than or equal to the first threshold.

As an example, compared with the conventional scheme, the method has the following advantages:

implicitly indicating whether a beam-related configuration of a radio signal on a physical layer data channel is dynamically indicated by scheduling signaling of the radio signal saves corresponding signaling overhead.

Keeping the format and the load size of the scheduling signaling fixed regardless of whether the beam-related configuration of the radio signal needs dynamic indication, reduces the blind detection complexity of the UE.

When the beam related configuration of the wireless signal does not need to be dynamically indicated, redundant bits in the scheduling signaling are allowed to be used for indicating the multi-antenna related configuration of other wireless signals, load bits of the scheduling signaling are fully utilized, and waste of partial bits is avoided.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof with reference to the accompanying drawings in which:

fig. 1 shows a flow diagram of first signaling according to an embodiment of the application;

FIG. 2 shows a schematic diagram of a network architecture according to an embodiment of the present application;

figure 3 shows a schematic diagram of an embodiment of a radio protocol architecture for the user plane and the control plane according to an embodiment of the present application;

fig. 4 illustrates a schematic diagram of an NR (new radio) node and a UE according to an embodiment of the present application;

FIG. 5 shows a flow diagram of wireless transmission according to one embodiment of the present application;

FIG. 6 shows a flow diagram of wireless transmission according to another embodiment of the present application;

FIG. 7 shows a flow diagram of wireless transmission according to another embodiment of the present application;

FIG. 8 shows a schematic diagram of a first time interval according to an embodiment of the present application;

figure 9 shows a schematic diagram of first signaling according to an embodiment of the present application;

figure 10 shows a schematic diagram of first signaling according to another embodiment of the present application;

fig. 11 shows a schematic diagram of the content of a second domain indication in the first signaling according to an embodiment of the application;

fig. 12 shows a schematic diagram of antenna ports and antenna port groups according to an embodiment of the present application;

FIG. 13 is a diagram illustrating the contents of a multi-antenna dependent quasi co-location parameter and a multi-antenna independent quasi co-location parameter according to one embodiment of the present application;

fig. 14 shows a schematic diagram of resource mapping of first signaling and second signaling on a time-frequency domain according to an embodiment of the application;

fig. 15 shows a schematic diagram of resource mapping of first signaling and second signaling on a time-frequency domain according to another embodiment of the present application;

FIG. 16 shows a block diagram of a processing device for use in a user equipment according to an embodiment of the present application;

fig. 17 shows a block diagram of a processing device for use in a base station according to an embodiment of the present application.

Detailed Description

Example 1

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

In embodiment 1, the user equipment in the present application receives a first signaling; wherein the first signaling comprises a first domain and a second domain, a first domain in the first signaling is used for determining a first time interval, and a second domain in the first signaling is used for determining a first antenna port group; the first antenna port group is used to determine multi-antenna related quasi co-location parameters for a target antenna port group; whether the target antenna port group is a second antenna port group or a third antenna port group is related to the first time interval; one antenna port group includes a positive integer number of antenna ports.

As a sub-embodiment of the above-mentioned embodiment, the multi-carrier symbol is an OFDM (orthogonal frequency Division Multiplexing) symbol.

As a sub-embodiment of the above-described embodiment, the multicarrier symbol is a DFT-S-OFDM (discrete fourier Transform Spread OFDM) symbol.

As a sub-embodiment of the above embodiment, the multi-carrier symbol is an FBMC (Filter Bank multi carrier) symbol.

As one embodiment, the unit of the first time interval is a slot (slot).

For one embodiment, the first time interval includes a non-negative integer number of slots (slots).

As one embodiment, the first time interval comprises a non-negative integer number of sub-frames.

As an embodiment, the unit of the first time interval is a multicarrier symbol.

As one embodiment, the first time interval includes a non-negative integer number of multicarrier symbols.

As one embodiment, the unit of the first time interval is milliseconds (ms).

As one embodiment, the first time interval includes a non-negative integer number of milliseconds (ms).

As one embodiment, the first time interval is a non-negative integer.

As an embodiment, the first time interval is equal to 0.

As one embodiment, the first time interval is greater than 0.

For one embodiment, one antenna port group includes one antenna port.

As an embodiment, the first antenna port group is used to determine the multi-antenna related quasi co-location parameter of the target antenna port group by: the beamforming vector corresponding to the first antenna port group is used to determine the beamforming vector corresponding to the target antenna port group.

As an embodiment, the first antenna port group is used to determine the multi-antenna related quasi co-location parameter of the target antenna port group by: the user equipment may assume that the target antenna port group and the first antenna port group correspond to the same beamforming vector.

As an embodiment, the first antenna port group is used to determine the multi-antenna related quasi co-location parameter of the target antenna port group by: beamforming vectors used to receive wireless signals transmitted on the first antenna port group are used to determine beamforming vectors used to receive wireless signals transmitted on the target antenna port group.

As an embodiment, the first antenna port group is used to determine the multi-antenna related quasi co-location parameter of the target antenna port group by: the user equipment may receive the wireless signal transmitted on the first antenna port group and the wireless signal transmitted on the target antenna port group using the same beamforming vector.

As one embodiment, the first signaling includes scheduling information of a first wireless signal transmitted by the second antenna port group.

As an embodiment, the first signaling includes a third field, and the third field in the first signaling includes configuration information of a first reference signal, and the first reference signal is transmitted by the target antenna port group.

As an embodiment, the second antenna port group and the third antenna port group comprise unequal numbers of antenna ports.

As an embodiment, the second antenna port group and the third antenna port group comprise equal numbers of antenna ports.

As an embodiment, the first signaling is physical layer signaling.

As an embodiment, the first signaling is dynamic signaling.

As an embodiment, the first signaling is dynamic signaling for DownLink Grant (DownLink Grant).

As an embodiment, the first signaling is dynamic signaling for UpLink Grant (UpLink Grant).

As one embodiment, the first signaling includes DCI.

As one embodiment, the first signaling includes DownLink grant dci.

As one embodiment, the first signaling includes UpLink grant dci.

As an embodiment, the second field in the first signaling comprises 3 bits.

As an embodiment, the second field in the first signaling comprises 2 bits.

As an embodiment, the second field in the first signaling comprises 1 bit.

For one embodiment, the second field in the first signaling comprises a TCI.

Example 2

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

Fig. 2 illustrates a network architecture 200 of LTE (Long-Term Evolution), LTE-a (Long-Term Evolution Advanced), and future 5G systems. The LTE network architecture 200 may be referred to as EPS (Evolved Packet System) 200. The EPS200 may include one or more UEs (User Equipment) 201, E-UTRAN-NR (Evolved UMTS terrestrial radio access network-new radio) 202, 5G-CN (5G-Core network, 5G Core network)/EPC (Evolved Packet Core) 210, HSS (Home Subscriber Server) 220, and internet service 230. The UMTS is compatible with Universal Mobile Telecommunications System (Universal Mobile Telecommunications System). The EPS200 may interconnect with other access networks, but these entities/interfaces are not shown for simplicity. As shown in fig. 2, the EPS200 provides packet-switched services, however those skilled in the art will readily appreciate that the various concepts presented throughout this application may be extended to networks providing circuit-switched services. The E-UTRAN-NR202 includes NR (new radio ) node bs (gnbs) 203 and other gnbs 204. The gNB203 provides user and control plane protocol termination towards the UE 201. The gNB203 may be connected to other gnbs 204 via an X2 interface (e.g., backhaul). The gNB203 may also be referred to as a base station, a base transceiver station, a radio base station, a radio transceiver, a transceiver function, a Basic Service Set (BSS), an Extended Service Set (ESS), a TRP (point of transmission reception), or some other suitable terminology. The gNB203 provides the UE201 with an access point to the 5G-CN/EPC 210. Examples of the UE201 include a cellular phone, a smart phone, a Session Initiation Protocol (SIP) phone, a laptop, a Personal Digital Assistant (PDA), a satellite radio, a global positioning system, a multimedia device, a video device, a digital audio player (e.g., MP3 player), a camera, a gaming console, a drone, an aircraft, a narrowband physical network device, a machine type communication device, a land vehicle, an automobile, a wearable device, or any other similar functioning device. Those skilled in the art may also refer to UE201 as a mobile station, a subscriber station, a mobile unit, a subscriber unit, a wireless unit, a remote unit, a mobile device, a wireless communication device, a remote device, a mobile subscriber station, an access terminal, a mobile terminal, a wireless terminal, a remote terminal, a handset, a user agent, a mobile client, a client, or some other suitable terminology. The gNB203 is connected to the 5G-CN/EPC210 through an S1 interface. The 5G-CN/EPC210 includes an MME211, other MMEs 214, an S-GW (Service Gateway) 212, and a P-GW (Packet data Network Gateway) 213. The MME211 is a control node that handles signaling between the UE201 and the 5G-CN/EPC 210. In general, the MME211 provides bearer and connection management. All user IP (Internet protocol) packets are transmitted through S-GW212, and S-GW212 itself is connected to P-GW 213. The P-GW213 provides UE IP address allocation as well as other functions. The P-GW213 is connected to the internet service 230. The internet service 230 includes an operator-corresponding 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 UE201 corresponds to the user equipment in the present application.

As an embodiment, the gNB203 corresponds to the base station in this application.

Example 3

Embodiment 3 illustrates a schematic diagram of an embodiment of radio protocol architecture for the user plane and the control plane, as shown in fig. 3.

Fig. 3 is a schematic diagram illustrating an embodiment of radio protocol architecture for the user plane and the control plane, fig. 3 showing the radio protocol architecture for the UE and the gNB 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 PHY301 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 (media access Control) sublayer 302, an RLC (Radio Link Control) sublayer 303, and a PDCP (Packet Data Convergence Protocol) sublayer 304, which terminate at the gNB on the network side. Although not shown, the UE may have several protocol layers above the L2 layer 305, including a network layer (e.g., IP layer) that terminates at the P-GW213 on the network side and an application layer that terminates at the other end of the connection (e.g., far end 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 packets to reduce radio transmission overhead, security by ciphering the packets, and handover support for UEs between gnbs. The RLC sublayer 303 provides segmentation and reassembly of upper layer packets, retransmission of lost packets, and reordering of packets to compensate for out-of-order reception due to HARQ. The MAC sublayer 302 provides multiplexing between logical and transport channels. The MAC sublayer 302 is also responsible for allocating various radio resources (e.g., resource blocks) in one cell among the UEs. The MAC sublayer 302 is also responsible for HARQ operations. In the control plane, the radio protocol architecture for the UE and the gNB is substantially the same for the physical layer 301 and the L2 layer 305, but without the header compression function for the control plane. The control plane also includes a RRC (Radio resource control) sublayer 306 in layer 3 (layer L3). The RRC sublayer 306 is responsible for obtaining radio resources (i.e., radio bearers) and configures the lower layers using RRC signaling between the gNB and the UE.

As an example, the radio protocol architecture in fig. 3 is applicable to the user equipment in the present application.

As an example, the radio protocol architecture in fig. 3 is applicable to the base station in this application.

As an embodiment, the first signaling in this application is generated in the PHY 301.

As an example, the first wireless signal in this application is generated in the PHY 301.

As an embodiment, the first reference signal in this application is generated in the PHY 301.

As an embodiment, the second signaling in this application is generated in the PHY 301.

As an embodiment, the downlink information in the present application is generated in the MAC sublayer 302.

As an embodiment, the downlink information in the present application is generated in the RRC sublayer 306.

Example 4

Embodiment 4 illustrates a schematic diagram of an NR node and a UE as shown in fig. 4. Fig. 4 is a block diagram of a UE450 and a gNB410 in communication with each other in an access network.

gNB410 includes a controller/processor 475, a memory 476, a receive processor 470, a transmit processor 416, a multiple antenna receive processor 472, a multiple antenna transmit processor 471, a transmitter/receiver 418, and an antenna 420.

The UE450 includes a controller/processor 459, a memory 460, a data source 467, a transmit processor 468, a receive processor 456, a multi-antenna transmit processor 457, a multi-antenna receive processor 458, a transmitter/receiver 454, and an antenna 452.

In the DL (Downlink), at the gNB410, upper layer data packets from the core network are provided to a controller/processor 475. The controller/processor 475 implements the functionality of layer L2. In the DL, the controller/processor 475 provides header compression, ciphering, packet segmentation and reordering, multiplexing between logical and transport channels, and radio resource allocation to the UE450 based on various priority metrics. Controller/processor 475 is also responsible for HARQ operations, retransmission of lost packets, and signaling to UE 450. The transmit processor 416 and the multi-antenna transmit processor 471 implement various signal processing functions for the L1 layer (i.e., the physical layer). The transmit processor 416 implements coding and interleaving to facilitate Forward Error Correction (FEC) at the UE450, as well as mapping of signal constellation based on various modulation schemes (e.g., Binary Phase Shift Keying (BPSK), Quadrature Phase Shift Keying (QPSK), M-phase shift keying (M-PSK), M-quadrature amplitude modulation (M-QAM)). The multi-antenna transmit processor 471 performs digital spatial precoding/beamforming on the coded and modulated symbols to generate one or more spatial streams. Transmit processor 416 then maps each spatial stream to subcarriers, multiplexes with reference signals (e.g., pilots) in the time and/or frequency domain, and then uses an Inverse Fast Fourier Transform (IFFT) to generate the physical channels carrying the time-domain multicarrier symbol streams. The multi-antenna transmit processor 471 then performs transmit analog precoding/beamforming operations on the time domain multi-carrier symbol stream. Each transmitter 418 converts the baseband multicarrier symbol stream provided by the multi-antenna transmit processor 471 into a radio frequency stream that is then provided to a different antenna 420.

In the DL (Downlink), at the UE450, each receiver 454 receives a signal through its respective antenna 452. Each receiver 454 recovers information modulated onto a radio frequency carrier and converts the radio frequency stream into a baseband multi-carrier symbol stream that is provided to a receive processor 456. Receive processor 456 and multi-antenna receive processor 458 implement the various signal processing functions of the L1 layer. A multi-antenna receive processor 458 performs receive analog precoding/beamforming operations on the baseband multi-carrier symbol stream from the receiver 454. Receive processor 456 converts the baseband multicarrier symbol stream after the receive analog precoding/beamforming operation from the time domain to the frequency domain using a Fast Fourier Transform (FFT). In the frequency domain, the physical layer data signals and the reference signals to be used for channel estimation are demultiplexed by the receive processor 456, and the data signals are subjected to multi-antenna detection in the multi-antenna receive processor 458 to recover any spatial streams destined for the UE 450. The symbols on each spatial stream are demodulated and recovered at a receive processor 456 and soft decisions are generated. Receive processor 456 then decodes and deinterleaves the soft decisions to recover the upper layer data and control signals transmitted by the gNB410 on the physical channels. The upper layer data and control signals are then provided to a controller/processor 459. The controller/processor 459 implements the functionality of the L2 layer. The controller/processor 459 may be associated with a memory 460 that stores program codes and data. Memory 460 may be referred to as a computer-readable medium. In the DL, the controller/processor 459 provides demultiplexing between transport and logical channels, packet reassembly, deciphering, header decompression, control signal processing to recover upper layer data packets from the core network. The upper layer packet is then provided to all protocol layers above the L2 layer. Various control signals may also be provided to L3 for L3 processing. The controller/processor 459 is also responsible for error detection using an Acknowledgement (ACK) and/or Negative Acknowledgement (NACK) protocol to support HARQ operations.

In the UL (Uplink), at the UE450, a data source 467 is used to provide upper layer data packets to the controller/processor 459. Data source 467 represents all protocol layers above the L2 layer. Similar to the transmit function at the gNB410 described in the DL, the controller/processor 459 implements header compression, encryption, packet segmentation and reordering, and multiplexing between logical and transport channels based on the radio resource allocation of the gNB410, implementing L2 layer functions for the user plane and the control plane. The controller/processor 459 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the gNB 410. A transmit processor 468 performs modulation mapping, channel coding, and digital multi-antenna spatial precoding/beamforming by a multi-antenna transmit processor 457, and the transmit processor 468 modulates the resulting spatial streams into multi-carrier/single-carrier symbol streams, which are provided to different antennas 452 via a transmitter 454 after analog precoding/beamforming in the multi-antenna transmit processor 457. Each transmitter 454 first converts the baseband symbol stream provided by the multi-antenna transmit processor 457 into a radio frequency symbol stream and provides the radio frequency symbol stream to the antenna 452.

In UL (Uplink), the function at the gNB410 is similar to the reception function at the UE450 described in DL. Each receiver 418 receives an rf signal through its respective antenna 420, converts the received rf signal to a baseband signal, and provides the baseband signal to a multi-antenna receive processor 472 and a receive processor 470. The receive processor 470 and the multiple antenna receive processor 472 collectively implement the functionality of the L1 layer. Controller/processor 475 implements the L2 layer functions. The controller/processor 475 can be associated with a memory 476 that stores program codes and data. Memory 476 may be referred to as a computer-readable medium. In the UL, the controller/processor 475 provides demultiplexing between transport and logical channels, packet reassembly, deciphering, header decompression, control signal processing to recover upper layer packets from the UE 450. Upper layer data packets from the controller/processor 475 may be provided to a core network. Controller/processor 475 is also responsible for error detection using the ACK and/or NACK protocol to support HARQ operations.

As an embodiment, the UE450 includes: at least one processor and at least one memory including computer program code; the at least one memory and the computer program code are configured for use with the at least one processor.

As an embodiment, the UE450 includes: a memory storing a program of computer readable instructions that when executed by at least one processor result in actions comprising: receiving the first signaling in the present application, receiving the first wireless signal in the present application, sending the first wireless signal in the present application, receiving the first reference signal in the present application, sending the first reference signal in the present application, receiving the second signaling in the present application, and receiving the downlink information in the present application.

As an embodiment, the gNB410 includes: at least one processor and at least one memory including computer program code; the at least one memory and the computer program code are configured for use with the at least one processor.

As an embodiment, the gNB410 includes: a memory storing a program of computer readable instructions that when executed by at least one processor result in actions comprising: the method comprises the steps of sending the first signaling in the application, sending the first wireless signal in the application, receiving the first wireless signal in the application, sending the first reference signal in the application, receiving the first reference signal in the application, sending the second signaling in the application, and sending the downlink information in the application.

As an embodiment, the UE450 corresponds to the user equipment in the present application.

As an embodiment, the gNB410 corresponds to the base station in this application.

For one embodiment, at least one of the antenna 452, the receiver 454, the receive processor 456, the multi-antenna receive processor 458, the controller/processor 459 is configured to receive the first signaling; at least one of the antenna 420, the transmitter 418, the transmit processor 416, the multi-antenna transmit processor 471, the controller/processor 475 is used to send the first signaling.

As one embodiment, at least one of the antenna 452, the receiver 454, the receive processor 456, the multi-antenna receive processor 458, the controller/processor 459 is used to receive the first wireless signal; at least one of the antenna 420, the transmitter 418, the transmit processor 416, the multi-antenna transmit processor 471, the controller/processor 475 is used to transmit the first wireless signal.

As an embodiment, at least one of { the antenna 420, the receiver 418, the receive processor 470, the multi-antenna receive processor 472, the controller/processor 475} is used to receive the first wireless signal; at least one of the antenna 452, the transmitter 454, the transmit processor 468, the multi-antenna transmit processor 457, the controller/processor 459 is used to transmit the first wireless signal.

As one embodiment, at least one of the antenna 452, the receiver 454, the receive processor 456, the multi-antenna receive processor 458, the controller/processor 459 is used to receive the first reference signal; at least one of the antenna 420, the transmitter 418, the transmit processor 416, the multi-antenna transmit processor 471, the controller/processor 475 is used to send the first reference signal.

As an embodiment, at least one of { the antenna 420, the receiver 418, the receive processor 470, the multi-antenna receive processor 472, the controller/processor 475} is used to receive the first reference signal; at least one of the antenna 452, the transmitter 454, the transmit processor 468, the multi-antenna transmit processor 457, the controller/processor 459 is used to transmit the first reference signal.

For one embodiment, at least one of the antenna 452, the receiver 454, the receive processor 456, the multi-antenna receive processor 458, the controller/processor 459 is configured to receive the second signaling; at least one of the antenna 420, the transmitter 418, the transmit processor 416, the multi-antenna transmit processor 471, the controller/processor 475 is used to send the second signaling.

For one embodiment, at least one of the antenna 452, the receiver 454, the receive processor 456, the multi-antenna receive processor 458, the controller/processor 459 is configured to receive the downlink information; at least one of the antenna 420, the transmitter 418, the transmit processor 416, the multi-antenna transmit processor 471, the controller/processor 475 is used to transmit the downlink information.

Example 5

Embodiment 5 illustrates a flow chart of wireless transmission, as shown in fig. 5. In fig. 5, base station N1 is the serving cell maintenance base station for user equipment U2. In fig. 5, the steps in block F1, block F2, and block F3, respectively, are optional.

For N1, downlink information is sent in step S101; transmitting a first signaling in step S11; transmitting a first wireless signal in step S12; transmitting a first reference signal in step S102; the second signaling is sent in step S103.

For U2, downlink information is received in step S201; receiving a first signaling in step S21; receiving a first wireless signal in step S22; receiving a first reference signal in step S202; the second signaling is received in step S203.

In embodiment 5, the first signaling comprises a first domain and a second domain, the first domain in the first signaling is used by the U2 to determine a first time interval, the second domain in the first signaling is used by the U2 to determine a first antenna port group; the first antenna port group is used by the U2 to determine multi-antenna related quasi co-location parameters for a target antenna port group; whether the target antenna port group is a second antenna port group or a third antenna port group is related to the first time interval; one antenna port group includes a positive integer number of antenna ports. The first signaling comprises scheduling information of the first wireless signal; the first wireless signal is transmitted by the second antenna port group; whether a second field in the first signaling is correlated with a multiple antenna related quasi co-location parameter of the second antenna port group is related to the first time interval. The transmit antenna port set and the target antenna port set of the first reference signal are quasi co-located; the configuration information of the first reference signal is determined by a third field in the first signaling. The sending antenna port group and the target antenna port group of the second signaling are quasi co-located, and the time-frequency resources occupied by the first signaling and the second signaling belong to a first time-frequency resource block. The downlink information is used by the U2 to determine a first threshold, the target antenna port group being the third antenna port group if the first time interval is less than the first threshold; the target antenna port group is the second antenna port group if the first time interval is greater than or equal to the first threshold.

As one embodiment, the first time interval is a non-negative integer.

For an embodiment, the use of the first antenna port group by the U2 to determine the multi-antenna related quasi co-location parameter of the target antenna port group is: the U2 is capable of inferring all or part of the multi-antenna related quasi co-location parameters for any antenna port in the target antenna port group from all or part of the multi-antenna related quasi co-location parameters for at least one antenna port in the first antenna port group.

For an embodiment, the use of the first antenna port group by the U2 to determine the multi-antenna related quasi co-location parameter of the target antenna port group is: the U2 may be configured to infer a large-scale (performance) characteristic of all or a portion of a multi-antenna of a wireless signal transmitted on at least one antenna port of the first antenna port group from a large-scale (performance) characteristic of all or a portion of a multi-antenna of a wireless signal transmitted on any antenna port of the target antenna port group.

For an embodiment, the use of the first antenna port group by the U2 to determine the multi-antenna related quasi co-location parameter of the target antenna port group is: the U2 may assume that the target antenna port group and the first antenna port group correspond to the same analog beamforming matrix.

For an embodiment, the use of the first antenna port group by the U2 to determine the multi-antenna related quasi co-location parameter of the target antenna port group is: the U2 may assume that the target antenna port group and the first antenna port group correspond to the same transmit spatial filtering (spatialfiltering).

For an embodiment, the use of the first antenna port group by the U2 to determine the multi-antenna related quasi co-location parameter of the target antenna port group is: the U2 may receive the wireless signals transmitted on the first antenna port group and the wireless signals transmitted on the target antenna port group using the same analog beamforming matrix.

For an embodiment, the use of the first antenna port group by the U2 to determine the multi-antenna related quasi co-location parameter of the target antenna port group is: the U2 may receive the wireless signals transmitted on the first antenna port group and the wireless signals transmitted on the target antenna port group with the same receive spatial filtering (spatialfiltering).

As an embodiment, the target antenna port set is one of { the second antenna port set, the third antenna port set }.

As an embodiment, the first signaling is physical layer signaling.

As one embodiment, the first signaling includes DownLink grant dci.

For one embodiment, the second field in the first signaling comprises a TCI.

As an embodiment, if the first time interval is smaller than the first threshold, the second field in the first signaling is independent of the multiple-antenna related quasi co-location parameter of the second antenna port group; the second field in the first signaling is associated with a multiple antenna associated quasi co-location parameter of the second antenna port group if the first time interval is greater than or equal to the first threshold.

As an embodiment, the quasi co-location parameter correlation of the second domain in the first signaling and the multiple antennas of the second antenna port group refers to: a second field in the first signaling is used by the U2 to determine multi-antenna related quasi co-location parameters for each antenna port in the second antenna port group.

As an embodiment, the quasi co-location parameter correlation of the second domain in the first signaling and the multiple antennas of the second antenna port group refers to: the U2 may receive the wireless signals transmitted on the first antenna port group and the wireless signals transmitted on the second antenna port group with the same analog beamforming matrix.

As an embodiment, the quasi co-location parameter correlation of the second domain in the first signaling and the multiple antennas of the second antenna port group refers to: the U2 may receive the wireless signals transmitted on the first antenna port group and the wireless signals transmitted on the second antenna port group with the same receive spatial filtering (spatialfiltering).

As an embodiment, the quasi co-location parameter correlation of the second domain in the first signaling and the multiple antennas of the second antenna port group refers to: the U2 may assume that the first antenna port group and the second antenna port group have the same multi-antenna related quasi co-location parameters.

As an embodiment, the quasi co-location parameter correlation of the second domain in the first signaling and the multiple antennas of the second antenna port group refers to: the U2 is capable of inferring a multi-antenna-related large-scale (property) characteristic of a wireless signal transmitted on any antenna port of the second antenna port set from a multi-antenna-related large-scale (large-scale) characteristic of a wireless signal transmitted on at least one antenna port of the first antenna port set.

As an example, if the second field in the first signaling is not related to the multi-antenna related quasi co-location parameters of the second antenna port group, the U2 receives the wireless signal transmitted on the second antenna port group with a default (not necessarily configured) analog beamforming matrix.

As an example, if the second field in the first signaling is not related to the multi-antenna related quasi-co-location parameters of the second antenna port group, the U2 receives the wireless signal transmitted on the second antenna port group with default (no configuration required) spatial filtering.

As an embodiment, if the second field in the first signaling is independent of the quasi co-location parameters associated with the multiple antennas of the second antenna port group, the U2 receives the wireless signal transmitted on the second antenna port group by using a pre-configured analog beamforming matrix.

As an example, if the second field in the first signaling is independent of the multiple-antenna-related quasi-co-location parameters of the second antenna port group, the U2 receives the wireless signals transmitted on the second antenna port group with pre-configured receive spatial filtering (spatial filtering).

As an example, if the second field in the first signaling is independent of the multi-antenna related quasi co-location parameters of the second antenna port group, the U2 may receive the wireless signal transmitted on the second antenna port group and the first signaling using the same analog beamforming matrix.

As an example, if the second field in the first signaling is independent of the multi-antenna related quasi co-location parameters of the second antenna port group, the U2 may receive the wireless signals transmitted on the second antenna port group and the first signaling with the same receive spatial filtering (spatial filtering).

As an embodiment, the first wireless signal is transmitted on a downlink physical layer data channel (i.e., a downlink channel that can be used to carry physical layer data).

As an embodiment, the second field in the first signaling is used by the U2 to determine a fourth antenna port group, which is used by the U2 to determine multi-antenna independent quasi co-location parameters of at least the former of the { the target antenna port group, the second antenna port group }.

As a sub-embodiment of the above embodiment, the second field in the first signaling is independent of the multiple-antenna related quasi co-location parameter of the second antenna port group; if the first antenna port group and the second antenna port group are quasi co-located, the fourth antenna port group is used by the U2 to determine multi-antenna independent quasi co-location parameters for the second antenna port group; otherwise, the multi-antenna independent quasi co-location parameter of the second antenna port group is independent of the fourth antenna port group.

As an embodiment, the quasi co-location refers to: QCL (Quasi Co-Located).

As an embodiment, the first antenna port group and the second antenna port group are quasi co-located means that: any antenna port in the first antenna port group and at least one antenna port in the second antenna port group have at least one same multi-antenna related quasi co-location parameter.

For one embodiment, the first reference signal includes a CSI-RS.

As an embodiment, the first time-frequency resource block is a CORESET.

As an embodiment, the second signaling is physical layer signaling.

As one embodiment, the first threshold is a positive integer.

As an example, blocks F1 and F2 in FIG. 5 exist, and block F3 does not exist.

As an example, blocks F1 and F3 in FIG. 5 exist, and block F2 does not exist.

As an example, block F1, block F2, and block F3 in FIG. 5 all exist.

As an example, blocks F2 and F3 in FIG. 5 exist, and block F1 does not exist.

Example 6

Embodiment 6 illustrates a flow chart of wireless transmission, as shown in fig. 6. In fig. 6, base station N3 is the serving cell maintenance base station for user equipment U4. In fig. 6, the steps in block F4, block F5, and block F6, respectively, are optional.

For N3, downlink information is sent in step S301; transmitting a first signaling in step S31; transmitting a first wireless signal in step S32; receiving a first reference signal in step S302; the second signaling is sent in step S303.

For U4, downlink information is received in step S401; receiving a first signaling in step S41; receiving a first wireless signal in step S42; transmitting a first reference signal in step S402; the second signaling is received in step S403.

In embodiment 6, the first signaling comprises a first domain and a second domain, the first domain in the first signaling is used by the U4 to determine a first time interval, the second domain in the first signaling is used by the U4 to determine a first antenna port group; the first antenna port group is used by the U4 to determine multi-antenna related quasi co-location parameters for a target antenna port group; whether the target antenna port group is a second antenna port group or a third antenna port group is related to the first time interval; one antenna port group includes a positive integer number of antenna ports. The first signaling comprises scheduling information of the first wireless signal; the first wireless signal is transmitted by the second antenna port group; whether a second field in the first signaling is correlated with a multiple antenna related quasi co-location parameter of the second antenna port group is related to the first time interval. The transmit antenna port set and the target antenna port set of the first reference signal are quasi co-located; the configuration information of the first reference signal is determined by a third field in the first signaling. The sending antenna port group and the target antenna port group of the second signaling are quasi co-located, and the time-frequency resources occupied by the first signaling and the second signaling belong to a first time-frequency resource block. The downlink information is used by the U4 to determine a first threshold, the target antenna port group being the third antenna port group if the first time interval is less than the first threshold; the target antenna port group is the second antenna port group if the first time interval is greater than or equal to the first threshold.

In one embodiment, the first reference signal includes an SRS.

As an example, block F4 and block F5 in FIG. 6 are present and block F6 is not present.

As an example, block F4 and block F6 in FIG. 6 are present and block F5 is not present.

As an example, block F4, block F5, and block F6 in FIG. 6 all exist.

As an example, block F5 and block F6 in FIG. 6 are present and block F4 is not present.

Example 7

Embodiment 7 illustrates a flow chart of wireless transmission, as shown in fig. 7. In fig. 7, base station N5 is the serving cell maintenance base station for user equipment U6. In fig. 7, the steps in block F7, block F8, and block F9, respectively, are optional.

For N5, downlink information is sent in step S501; transmitting a first signaling in step S51; receiving a first wireless signal in step S52; receiving a first reference signal in step S502; the second signaling is transmitted in step S503.

For U6, downlink information is received in step S601; receiving a first signaling in step S61; transmitting a first wireless signal in step S62; transmitting a first reference signal in step S602; the second signaling is received in step S603.

In embodiment 7, the first signaling comprises a first domain and a second domain, the first domain in the first signaling is used by the U6 to determine a first time interval, the second domain in the first signaling is used by the U6 to determine a first antenna port group; the first antenna port group is used by the U6 to determine multi-antenna related quasi co-location parameters for a target antenna port group; whether the target antenna port group is a second antenna port group or a third antenna port group is related to the first time interval; one antenna port group includes a positive integer number of antenna ports. The first signaling comprises scheduling information of the first wireless signal; the first wireless signal is transmitted by the second antenna port group; whether a second field in the first signaling is correlated with a multiple antenna related quasi co-location parameter of the second antenna port group is related to the first time interval. The transmit antenna port set and the target antenna port set of the first reference signal are quasi co-located; the configuration information of the first reference signal is determined by a third field in the first signaling. The sending antenna port group and the target antenna port group of the second signaling are quasi co-located, and the time-frequency resources occupied by the first signaling and the second signaling belong to a first time-frequency resource block. The downlink information is used by the U6 to determine a first threshold, the target antenna port group being the third antenna port group if the first time interval is less than the first threshold; the target antenna port group is the second antenna port group if the first time interval is greater than or equal to the first threshold.

As one embodiment, the first signaling includes UpLink grant dci.

As an example, the first wireless signal is transmitted on an uplink physical layer data channel (i.e., an uplink channel that can be used to carry physical layer data).

As an example, block F7 and block F8 in FIG. 7 are present and block F9 is not present.

As an example, block F7 and block F9 in FIG. 7 are present and block F8 is not present.

As an example, block F7, block F8, and block F9 in FIG. 7 all exist.

As an example, block F8 and block F9 in FIG. 7 are present and block F7 is not present.

Example 8

Example 8 illustrates a schematic diagram of the first time interval, as shown in fig. 8.

In embodiment 8, the first time interval is a time interval between a last multicarrier symbol occupied by the first signaling in this application and a first multicarrier symbol occupied by the first wireless signal in this application, and the first signaling includes scheduling information of the first wireless signal. As shown in fig. 8, the left-diagonal filled boxes represent time-frequency resources occupied by the first signaling, and the cross-hatched boxes represent time-frequency resources occupied by the first wireless signal.

As one embodiment, the multicarrier symbol is an OFDM symbol.

As one embodiment, the multicarrier symbol is a DFT-S-OFDM symbol.

As one embodiment, the multicarrier symbol is an FBMC symbol.

As one embodiment, the unit of the first time interval is a slot (slot).

As an embodiment, the unit of the first time interval is a multicarrier symbol.

As one embodiment, the unit of the first time interval is milliseconds (ms).

As one embodiment, the first time interval is a non-negative integer.

As an embodiment, the first time interval is equal to 0.

As one embodiment, the first time interval is greater than 0.

Example 9

Embodiment 9 illustrates a schematic diagram of first signaling, as shown in fig. 9.

In embodiment 9, the first signaling includes a first domain, a second domain, and a third domain. A first field in the first signaling is used to determine the first time interval in this application, a second field in the first signaling is used to determine the first antenna port group in this application, and a third field in the first signaling includes configuration information of the first reference signal in this application. The first antenna port group is used to determine multi-antenna related quasi co-location parameters for a target antenna port group; whether the target antenna port group is a second antenna port group or a third antenna port group is related to the first time interval. The transmit antenna port set and the target antenna port set of the first reference signal are quasi co-located. One antenna port group includes a positive integer number of antenna ports.

As an embodiment, the first signaling further includes scheduling information of the first wireless signal in this application; the first wireless signal is transmitted by the second antenna port group.

As a sub-embodiment of the above embodiment, the first time interval is a time interval between a last multicarrier symbol occupied by the first signaling and a first multicarrier symbol occupied by the first wireless signal.

As a sub-embodiment of the foregoing embodiment, the scheduling information of the first wireless signal includes at least one of { MCS, configuration information of DMRS, HARQ process number, RV, NDI }.

As a reference example of the foregoing sub-embodiments, the configuration information of the DMRS includes one or more of { occupied time domain resource, occupied frequency domain resource, occupied code domain resource, cyclic shift amount (OCC }).

As an embodiment, the configuration information of the first reference signal includes at least one of { occupied time domain resource, occupied frequency domain resource, occupied code domain resource, cyclic shift value (OCC), occupied antenna port, corresponding transmit beamforming vector, corresponding receive beamforming vector, corresponding transmit spatial filtering (spatial filtering), and corresponding receive spatial filtering (spatial filtering) }.

As an embodiment, the target antenna port set is one of { the second antenna port set, the third antenna port set }. If the first time interval is less than the first threshold in this application, the target antenna port group is the third antenna port group; otherwise, the target antenna port group is the second antenna port group.

As an embodiment, if the first time interval is less than the first threshold, the transmit antenna port set and the third antenna port set of the first reference signal are quasi co-located; otherwise the transmit antenna port set and the second antenna port set of the first reference signal are quasi co-located

As an embodiment, the second field in the first signaling comprises 3 bits.

As an embodiment, the second field in the first signaling comprises 2 bits.

As an embodiment, the second field in the first signaling comprises 1 bit.

For one embodiment, the second field in the first signaling comprises a TCI.

As an embodiment, a third field in the first signaling triggers the sending of the first reference signal.

As an embodiment, a third field in the first signaling triggers reception of the first reference signal.

As an embodiment, the third field in the first signaling comprises 1 bit.

As an embodiment, the third field in the first signaling comprises 2 bits.

As an embodiment, the third field in the first signaling comprises 3 bits.

As an embodiment, the third field in the first signaling comprises srsrsrequest.

As a sub-embodiment of the above embodiment, the first reference signal comprises an SRS.

As a sub-embodiment of the above embodiment, the first reference signal comprises CSI-RS.

Example 10

Embodiment 10 illustrates a schematic diagram of first signaling, as shown in fig. 10.

In embodiment 10, the first signaling includes a first domain and second and third domains. A first field in the first signaling is used to determine the first time interval in this application and a second field in the first signaling is used to determine the first antenna port group in this application. The first antenna port group is used to determine multi-antenna related quasi co-location parameters for a target antenna port group; whether the target antenna port group is a second antenna port group or a third antenna port group is related to the first time interval. The transmit antenna port set and the target antenna port set of the second signaling in this application are quasi co-located. The time frequency resource occupied by the first signaling and the second signaling both belong to the first time frequency resource block in the application. One antenna port group includes a positive integer number of antenna ports.

As an embodiment, the first time-frequency resource block is a CORESET.

As an embodiment, the first time-frequency resource block is a search space.

Example 11

Embodiment 11 illustrates a schematic diagram of the content of the second domain indication in the first signaling, as shown in fig. 11.

In embodiment 11, the second field in the first signaling is used to determine a first antenna port group and a fourth antenna port group. The first antenna port group is used to determine multi-antenna related quasi co-location parameters of the target antenna port group in the present application; the fourth antenna port set is used to determine multi-antenna independent quasi co-location parameters for at least the former of the target antenna port set, the second antenna port set in this application. The target antenna port set is one of { the second antenna port set, the third antenna port set in this application }. The first antenna port group and the fourth antenna port group form a first antenna port group set, the first antenna port group set belongs to K1 candidate antenna port group sets, K1 is a positive integer greater than 1, each of the K1 candidate antenna port group sets includes at least the former of { a first type antenna port group, a second type antenna port group }.

In fig. 11, the indexes of the K1 candidate antenna port group sets are { #0, # 1., # K1-1 }; the first type antenna port group and the second type antenna port group in the candidate antenna port group set # i are respectively represented by indexes # (i, 1) and # (i, 2), and i is a positive integer not greater than K1. An index of the first set of antenna port groups in the K1 sets of candidate antenna port groups is x, the i being a positive integer no greater than the K1. The first antenna port group is an antenna port group # (x, 1) in fig. 11, and the fourth antenna port group is an antenna port group # (x, 2) in fig. 11.

As an embodiment, the second field in the first signaling indicates an index of the first set of antenna port groups in the K1 sets of candidate antenna port groups.

As an embodiment, the K1 sets of candidate antenna port groups are configured by higher layer signaling.

As an embodiment, the K1 candidate antenna port group sets are configured by RRC signaling.

As an embodiment, the K1 candidate antenna port group sets are configured by mac ce signaling.

As an embodiment, some or all of the K1 candidate antenna port group sets are configured by physical layer signaling.

As an example, K1 is equal to 8.

As one example, the K1 is greater than 8.

As one example, the K1 is less than 8.

As an embodiment, any two candidate antenna port group sets of the K1 candidate antenna port group sets include one first-type antenna port group and one second-type antenna port group.

As an embodiment, at least one of the K1 candidate antenna port group sets includes only one first type antenna port group.

As an embodiment, the first time interval in this application is used to determine whether a second domain in the first signaling and a multi-antenna related quasi co-location parameter of the second antenna port group are related.

As an embodiment, the second field in the first signaling is related to a multi-antenna related quasi co-location parameter of the second antenna port group, and the fourth antenna port group is used to determine a multi-antenna independent quasi co-location parameter of the second antenna port group.

As an embodiment, the second field in the first signaling is independent of the multiple-antenna related quasi co-location parameters of the second antenna port group, and the fourth antenna port group is used to determine the multiple-antenna independent quasi co-location parameters of the second antenna port group.

As an embodiment, the second field in the first signaling is related to a quasi co-location parameter related to multiple antennas of the second antenna port group; if the first antenna port group and the second antenna port group are quasi co-located, the fourth antenna port group is used to determine a multi-antenna independent quasi co-location parameter for the second antenna port group; otherwise, the multi-antenna independent quasi co-location parameter of the second antenna port group is independent of the fourth antenna port group.

Example 12

Embodiment 12 illustrates a schematic diagram of an antenna port and antenna port group, as shown in fig. 12.

In embodiment 12, one antenna port group includes a positive integer number of antenna ports; one antenna port is formed by superposing antennas in a positive integer number of antenna groups through antenna Virtualization (Virtualization); one antenna group includes a positive integer number of antennas. One antenna group is connected to the baseband processor through one RF (Radio Frequency) chain, and different antenna groups correspond to different rfchains. The mapping coefficients of all antennas in the positive integer number of antenna groups included by a given antenna port to the given antenna port constitute a beamforming vector corresponding to the given antenna port. Mapping coefficients of a plurality of antennas included in any given antenna group in the positive integer number of antenna groups included in the given antenna port to the given antenna port constitute an analog beamforming vector of the given antenna group. And the analog beamforming vectors corresponding to the positive integer number of antenna groups are arranged diagonally to form an analog beamforming matrix corresponding to the given antenna port. The mapping coefficients of the positive integer number of antenna groups to the given antenna port constitute a digital beamforming vector corresponding to the given antenna port. The beamforming vector corresponding to the given antenna port is obtained by multiplying an analog beamforming matrix corresponding to the given antenna port by a digital beamforming vector. Different antenna ports in one antenna port group are formed by the same antenna group, and different antenna ports in the same antenna port group correspond to different beam forming vectors.

Two antenna port groups are shown in fig. 12: antenna port group #0 and antenna port group # 1. The antenna port group #0 is composed of an antenna group #0, and the antenna port group #1 is composed of an antenna group #1 and an antenna group # 2. Mapping coefficients of a plurality of antennas in the antenna group #0 to the antenna port group #0 constitute an analog beamforming vector #0, and mapping coefficients of the antenna group #0 to the antenna port group #0 constitute a digital beamforming vector # 0. Mapping coefficients of the plurality of antennas in the antenna group #1 and the plurality of antennas in the antenna group #2 to the antenna port group #1 constitute an analog beamforming vector #1 and an analog beamforming vector #2, respectively, and mapping coefficients of the antenna group #1 and the antenna group #2 to the antenna port group #1 constitute a digital beamforming vector # 1. A beamforming vector corresponding to any antenna port in the antenna port group #0 is obtained by a product of the analog beamforming vector #0 and the digital beamforming vector # 0. A beamforming vector corresponding to any antenna port in the antenna port group #1 is obtained by multiplying an analog beamforming matrix formed by diagonal arrangement of the analog beamforming vector #1 and the analog beamforming vector #2 by the digital beamforming vector # 1.

For one embodiment, one antenna port group includes one antenna port. For example, the antenna port group #0 in fig. 12 includes one antenna port.

As a sub-implementation of the foregoing embodiment, the analog beamforming matrix corresponding to the one antenna port is reduced to an analog beamforming vector, the digital beamforming vector corresponding to the one antenna port is reduced to a scalar, and the beamforming vector corresponding to the one antenna port is equal to the analog beamforming vector corresponding to the one antenna port. For example, the digital beamforming vector #0 in fig. 12 is reduced to a scalar, and the beamforming vector corresponding to the antenna port in the antenna port group #0 is the analog beamforming vector # 0.

For one embodiment, one antenna port group includes a plurality of antenna ports. For example, the antenna port group #1 in fig. 12 includes a plurality of antenna ports.

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

Example 13

Example 13 is a schematic diagram illustrating the contents of the multi-antenna related quasi-co-location parameter and the multi-antenna independent quasi-co-location parameter, as shown in fig. 13.

In embodiment 13, for any given antenna port, the multiple-antenna-related quasi-co-location parameters for the given antenna port include one or more of { angle of arrival (angle of arrival), angle of departure (angle of departure), spatial correlation, transmit beam, receive beam, transmit analog beamforming matrix, receive analog beamforming matrix, transmit spatial filtering (spatial filtering), receive spatial filtering (spatial filtering), multiple-antenna-related transmit, multiple-antenna-related receive } of a wireless signal transmitted on the given antenna port; the multi-antenna independent quasi-co-location parameter for the given antenna port includes one or more of { delay spread (delay spread), Doppler spread (Doppler spread), Doppler shift (Doppler shift), path loss (pathloss), and average gain (averaging) of a channel experienced by a wireless signal transmitted on the given antenna port. The multi-antenna related quasi co-location parameters and the multi-antenna independent quasi co-location parameters of the given antenna port constitute quasi co-location parameters of the given antenna port.

As an embodiment, the quasi-co-location parameter of the given antenna port refers to: QCL parameters (Quasi Co-Locatedparameters) for the given antenna port.

As an embodiment, the quasi co-location refers to: QCL (Quasi Co-Located).

As an embodiment, the multi-antenna related quasi co-location parameter and the multi-antenna independent quasi co-location parameter of one antenna port group are respectively composed of the multi-antenna related quasi co-location parameter and the multi-antenna independent quasi co-location parameter of all antenna ports in the given antenna port group.

As an embodiment, two antenna ports are quasi co-located if they have at least one identical quasi co-location parameter.

As an embodiment, two antenna ports are quasi co-located meaning: the two antenna ports have at least one same multi-antenna related quasi co-location parameter or at least one same multi-antenna unrelated quasi co-location parameter.

Example 14

Embodiment 14 illustrates a schematic diagram of resource mapping of the first signaling and the second signaling on the time-frequency domain, as shown in fig. 14.

In fig. 14, the time-frequency resources occupied by the first signaling and the second signaling both belong to a first time-frequency resource block, the first signaling and the second signaling occupy mutually orthogonal (non-overlapping) time-domain resources, and the time-domain resources occupied by the second signaling are located behind the time-domain resources occupied by the first signaling. The first time-frequency resource block is multiple occurrences in the time domain. The first time-frequency resource block comprises a positive integer number of discontinuous time units in a time domain and comprises a positive integer number of continuous frequency units in a frequency domain. In fig. 14, the boxes of the heavy solid line border represent the first time-frequency resource blocks.

As an embodiment, the time interval between any two adjacent occurrences of the first time-frequency resource block in the time domain is equal.

As one embodiment, the time unit is a slot (slot).

As one embodiment, the time unit is a sub-frame.

As one embodiment, the time cells are multicarrier symbols.

As one embodiment, the frequency bins are subcarriers.

As an embodiment, the set of transmit antenna ports of the second signaling and the set of transmit antenna ports of the first signaling are different.

As an embodiment, the set of transmit antenna ports of the second signaling and the set of transmit antenna ports of the first signaling are not quasi co-located.

As an embodiment, the transmit antenna port group of the second signaling and the transmit antenna port group of the first signaling correspond to different analog beamforming matrices.

As an embodiment, the transmit antenna port group of the second signaling and the transmit antenna port group of the first signaling correspond to different transmit spatial filtering (spatial filtering).

As an embodiment, the ue in this application cannot receive the second signaling and the first signaling with the same analog beamforming matrix.

As an embodiment, the ue in this application cannot receive the second signaling and the first signaling with the same receive spatial filtering (spatialfiltering).

As an embodiment, the multi-antenna related quasi co-location parameter of the transmit antenna port group of the second signaling cannot be inferred from the multi-antenna related quasi co-location parameter of the transmit antenna port group of the first signaling.

As an embodiment, the multi-antenna independent quasi co-location parameter of the transmit antenna port group of the second signaling cannot be inferred from the multi-antenna independent quasi co-location parameter of the transmit antenna port group of the first signaling.

Example 15

Embodiment 15 illustrates a schematic diagram of resource mapping of the first signaling and the second signaling in the time-frequency domain, as shown in fig. 15.

In fig. 15, the time-frequency resources occupied by the first signaling and the second signaling both belong to a first time-frequency resource block, the first signaling and the second signaling occupy mutually orthogonal (non-overlapping) time-domain resources, and the time-domain resources occupied by the second signaling are located behind the time-domain resources occupied by the first signaling. The first time-frequency resource block is multiple occurrences in the time domain. The first time-frequency resource block comprises a positive integer of discontinuous time units in a time domain and a positive integer of discontinuous frequency units in a frequency domain. In fig. 15, the boxes of the heavy solid line border represent the first time-frequency resource blocks.

Example 16

Embodiment 16 is a block diagram illustrating a processing apparatus used in a user equipment, as shown in fig. 16. In fig. 16, a processing apparatus 1600 in a user equipment mainly comprises a first receiver module 1601 and a first processing module 1602.

In embodiment 16, a first receiver module 1601 receives a first signaling; the first processing module 1602 receives the first wireless signal or transmits the first wireless signal.

In embodiment 16, the first signaling includes a first domain and a second domain, the first domain in the first signaling is used by the first receiver module 1601 to determine a first time interval, and the second domain in the first signaling is used by the first receiver module 1601 to determine a first antenna port group; the first antenna port group is used by the first receiver module 1601 to determine a multi-antenna related quasi co-location parameter for a target antenna port group; whether the target antenna port group is a second antenna port group or a third antenna port group is related to the first time interval; one antenna port group includes a positive integer number of antenna ports. The first signaling comprises scheduling information of the first wireless signal; the first wireless signal is transmitted by the second antenna port group; whether a second field in the first signaling is correlated with a multiple antenna related quasi co-location parameter of the second antenna port group is related to the first time interval.

As an embodiment, the second field in the first signaling is used by the first receiver module 1601 to determine a fourth antenna port group, which is used by the first receiver module 1601 to determine a multi-antenna independent quasi co-location parameter of at least the former of { the target antenna port group, the second antenna port group }.

As a sub-embodiment of the above embodiment, the second field in the first signaling is independent of the multiple-antenna related quasi co-location parameter of the second antenna port group; if the first antenna port group and the second antenna port group are quasi co-located, the fourth antenna port group is used by the first receiver module 1601 to determine multi-antenna independent quasi co-location parameters for the second antenna port group; otherwise, the multi-antenna independent quasi co-location parameter of the second antenna port group is independent of the fourth antenna port group.

For one embodiment, the first processing module 1602 further transmits a first reference signal; wherein the first signaling comprises a third domain, and the third domain in the first signaling comprises configuration information of the first reference signal; the transmit antenna port set and the target antenna port set of the first reference signal are quasi co-located.

For one embodiment, the first processing module 1602 further receives a first reference signal; wherein the first signaling comprises a third domain, and the third domain in the first signaling comprises configuration information of the first reference signal; the transmit antenna port set and the target antenna port set of the first reference signal are quasi co-located.

For one embodiment, the first receiver module 1601 further receives a second signaling; the sending antenna port group and the target antenna port group of the second signaling are quasi co-located, and the time-frequency resources occupied by the first signaling and the second signaling belong to a first time-frequency resource block.

As an embodiment, the first receiver module 1601 further receives downlink information; wherein the downlink information is used by the first receiver module 1601 to determine a first threshold, and if the first time interval is less than the first threshold, the target antenna port group is the third antenna port group; the target antenna port group is the second antenna port group if the first time interval is greater than or equal to the first threshold.

For one embodiment, the first receiver module 1601 includes at least one of { antenna 452, receiver 454, receive processor 456, multi-antenna receive processor 458, controller/processor 459, memory 460, data source 467} in embodiment 4.

For one embodiment, the first processing module 1602 includes at least one of { antenna 452, transmitter/receiver 454, transmit processor 468, receive processor 456, multi-antenna transmit processor 457, multi-antenna receive processor 458, controller/processor 459, memory 460, data source 467} in embodiment 4.

Example 17

Embodiment 17 is a block diagram illustrating a processing apparatus used in a base station, as shown in fig. 17. In fig. 17, a processing apparatus 1700 in a base station is mainly composed of a second transmitter module 1701 and a second processing module 1702.

In embodiment 17, the second transmitter module 1701 transmits the first signaling; the second processing module 1702 either transmits the first wireless signal or receives the first wireless signal.

In embodiment 17, the first signaling comprises a first domain and a second domain, the first domain in the first signaling is used for determining a first time interval, and the second domain in the first signaling is used for determining a first antenna port group; the first antenna port group is used to determine multi-antenna related quasi co-location parameters for a target antenna port group; whether the target antenna port group is a second antenna port group or a third antenna port group is related to the first time interval; one antenna port group includes a positive integer number of antenna ports. The first signaling comprises scheduling information of the first wireless signal; the first wireless signal is transmitted by the second antenna port group; whether a second field in the first signaling is correlated with a multiple antenna related quasi co-location parameter of the second antenna port group is related to the first time interval.

As an embodiment, the second field in the first signaling is used to determine a fourth antenna port group, which is used to determine a multi-antenna independent quasi co-location parameter of at least the former of { the target antenna port group, the second antenna port group }.

As a sub-embodiment of the above embodiment, the second field in the first signaling is independent of the multiple-antenna related quasi co-location parameter of the second antenna port group; if the first antenna port group and the second antenna port group are quasi co-located, the fourth antenna port group is used to determine a multi-antenna independent quasi co-location parameter for the second antenna port group; otherwise, the multi-antenna independent quasi co-location parameter of the second antenna port group is independent of the fourth antenna port group.

For one embodiment, the second processing module 1702 also receives a first reference signal; wherein the first signaling comprises a third domain, and the third domain in the first signaling comprises configuration information of the first reference signal; the transmit antenna port set and the target antenna port set of the first reference signal are quasi co-located.

For one embodiment, the second processing module 1702 also transmits a first reference signal; wherein the first signaling comprises a third domain, and the third domain in the first signaling comprises configuration information of the first reference signal; the transmit antenna port set and the target antenna port set of the first reference signal are quasi co-located.

As an example, the first transmitter module 1701 also transmits second signaling; the sending antenna port group and the target antenna port group of the second signaling are quasi co-located, and the time-frequency resources occupied by the first signaling and the second signaling belong to a first time-frequency resource block.

For one embodiment, the first transmitter module 1702 further transmits downlink information; wherein the downlink information is used to determine a first threshold, and if the first time interval is less than the first threshold, the target antenna port group is the third antenna port group; the target antenna port group is the second antenna port group if the first time interval is greater than or equal to the first threshold.

For one embodiment, the first transmitter module 1702 includes at least one of the { antenna 420, transmitter 418, transmit processor 416, multi-antenna transmit processor 471, controller/processor 475, memory 476} of embodiment 4.

For one embodiment, the second processing module 1702 includes at least one of { antenna 420, transmitter/receiver 418, transmit processor 416, receive processor 470, multi-antenna transmit processor 471, multi-antenna receive processor 472, controller/processor 475, memory 476} in embodiment 4.

It will be understood by those skilled in the art that all or part of the steps of the above methods may be implemented by instructing relevant hardware through a program, and the program may 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 be implemented by using one or more integrated circuits. Accordingly, the module units in the above embodiments may be implemented in a hardware form, or may be implemented in a form of software functional modules, and the present application is not limited to any specific form of combination of software and hardware. User equipment, terminal and UE in this application include but not limited to unmanned aerial vehicle, Communication module on the unmanned aerial vehicle, remote control plane, the aircraft, small aircraft, the cell-phone, the panel computer, the notebook, vehicle-mounted Communication equipment, wireless sensor, network card, thing networking terminal, the RFID terminal, NB-IOT terminal, Machine Type Communication (MTC) terminal, eMTC (enhanced MTC) terminal, the data card, network card, vehicle-mounted Communication equipment, low-cost cell-phone, wireless Communication equipment such as low-cost panel computer. The base station or the system device in the present application includes, but is not limited to, a macro cell 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 other wireless communication devices.

The above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A method in a user equipment used for wireless communication, comprising:

-receiving a first signaling;

2. The method of claim 1, comprising:

-receiving a first wireless signal or transmitting a first wireless signal;

3. The method according to claim 1 or 2, wherein the second field in the first signaling is used for determining a fourth antenna port group, the fourth antenna port group being used for determining at least the former multi-antenna independent quasi co-location parameter in { the target antenna port group, the second antenna port group }.

4. The method of claim 3, wherein the second field in the first signaling is independent of a multi-antenna related quasi co-location parameter of the second antenna port group; if the first antenna port group and the second antenna port group are quasi co-located, the fourth antenna port group is used to determine a multi-antenna independent quasi co-location parameter for the second antenna port group; otherwise, the multi-antenna independent quasi co-location parameter of the second antenna port group is independent of the fourth antenna port group.

5. The method according to claim 1 or 2, comprising:

-operating the first reference signal;

6. The method according to claim 1 or 2, comprising:

-receiving second signaling;

7. The method according to claim 1 or 2, comprising:

-receiving downlink information;

8. A method in a base station used for wireless communication, comprising:

-transmitting first signalling;

9. The method of claim 8, comprising:

-transmitting a first wireless signal or receiving a first wireless signal;

10. The method according to claim 8 or 9, wherein the second field in the first signaling is used for determining a fourth antenna port group, the fourth antenna port group being used for determining at least the former multi-antenna independent quasi co-location parameter in { the target antenna port group, the second antenna port group }.

11. The method of claim 10, wherein the second field in the first signaling is independent of a multi-antenna related quasi co-location parameter of the second antenna port group; if the first antenna port group and the second antenna port group are quasi co-located, the fourth antenna port group is used to determine a multi-antenna independent quasi co-location parameter for the second antenna port group; otherwise, the multi-antenna independent quasi co-location parameter of the second antenna port group is independent of the fourth antenna port group.

12. The method according to claim 8 or 9, comprising:

-performing a first reference signal;

13. The method according to claim 8 or 9, comprising:

-transmitting second signaling;

14. The method according to claim 8 or 9, comprising:

-transmitting downlink information;

15. A user device configured for wireless communication, comprising:

a first receiver module to receive a first signaling;

16. The user equipment of claim 15, comprising:

17. The user equipment as claimed in claim 15 or 16, wherein the second field in the first signaling is used to determine a fourth antenna port group, and wherein the fourth antenna port group is used to determine at least the former multi-antenna independent quasi co-location parameter in { the target antenna port group, the second antenna port group }.

18. The UE of claim 17, wherein the second field in the first signaling is independent of a multi-antenna related quasi co-location parameter of the second antenna port group; if the first antenna port group and the second antenna port group are quasi co-located, the fourth antenna port group is used to determine a multi-antenna independent quasi co-location parameter for the second antenna port group; otherwise, the multi-antenna independent quasi co-location parameter of the second antenna port group is independent of the fourth antenna port group.

19. The user equipment according to claim 15 or 16, comprising:

a first processing module operating a first reference signal;

20. The user equipment of claim 15 or 16, wherein the first receiver module further receives second signaling; the sending antenna port group and the target antenna port group of the second signaling are quasi co-located, and the time-frequency resources occupied by the first signaling and the second signaling belong to a first time-frequency resource block.

21. The user equipment as claimed in claim 15 or 16, wherein the first receiver module further receives downlink information; wherein the downlink information is used to determine a first threshold, and if the first time interval is less than the first threshold, the target antenna port group is the third antenna port group; the target antenna port group is the second antenna port group if the first time interval is greater than or equal to the first threshold.

22. A base station device used for wireless communication, comprising:

the first transmitter module transmits a first signaling;

23. The base station apparatus according to claim 22, comprising:

24. The base station apparatus of claim 22 or 23, wherein the second field in the first signaling is used to determine a fourth antenna port group, and wherein the fourth antenna port group is used to determine at least the former multi-antenna independent quasi co-location parameter in { the target antenna port group, the second antenna port group }.

25. The base station apparatus of claim 24, wherein the second field in the first signaling is independent of a multi-antenna related quasi co-location parameter of the second antenna port group; if the first antenna port group and the second antenna port group are quasi co-located, the fourth antenna port group is used to determine a multi-antenna independent quasi co-location parameter for the second antenna port group; otherwise, the multi-antenna independent quasi co-location parameter of the second antenna port group is independent of the fourth antenna port group.

26. The base station apparatus according to claim 22 or 23, comprising:

a second processing module, which executes the first reference signal;

27. The base station device of claim 22 or 23, wherein the first transmitter module further transmits a second signaling; the sending antenna port group and the target antenna port group of the second signaling are quasi co-located, and the time-frequency resources occupied by the first signaling and the second signaling belong to a first time-frequency resource block.

28. The base station device according to claim 22 or 23, wherein said first transmitter module further transmits downlink information; wherein the downlink information is used to determine a first threshold, and if the first time interval is less than the first threshold, the target antenna port group is the third antenna port group; the target antenna port group is the second antenna port group if the first time interval is greater than or equal to the first threshold.