Method, device and computer storage medium for communication

Patent metadata

Field	Value
Publication number	US-2023093264-A1
Application number	US-202017909168-A
Country	US
Kind code	A1
Filing date	Mar 4, 2020
Priority date	Mar 4, 2020
Publication date	Mar 23, 2023
Grant date	—

Abstract

Embodiments of the present disclosure relate to methods, devices and computer storage media for communication. A method comprises generating, at a network device, downlink control information (DCI) indicating a plurality of transmission power control (TPC) commands for power control of transmissions from a terminal device to the network device; and transmitting, from the network device to the terminal device, the generated DCI for scheduling the transmissions from the terminal device to the network device. Embodiments of the present disclosure enable different power control adjustments for different beams.

First claim

What is claimed is:

1 . A method of communication, comprising:
generating, at a network device, downlink control information (DCI) indicating a plurality of transmission power control (TPC) commands for power control of transmissions from a terminal device to the network device; and transmitting, from the network device to the terminal device, the generated DCI for scheduling the transmissions from the terminal device to the network device.

2 . The method of claim 1 , wherein generating the DCI comprises:
generating the DCI comprising a plurality of fields for indicating the plurality of TPC commands.

3 . The method of claim 1 , wherein generating the DCI comprises:
generating the DCI comprising an SRS resource indicator (SRI) field or a transmission configuration indicator (TCI) field for indicating the plurality of TPC commands.

4 . The method of claim 1 , wherein generating the DCI comprises:
generating a plurality of repetitions of the DCI, the plurality of repetitions indicating the plurality of TPC commands respectively.

5 . The method of claim 1 , wherein the transmissions scheduled by the generated DCI comprise Physical Uplink Shared Channel (PUSCH) transmissions or Physical Uplink Control Channel (PUCCH) transmissions.

6 . A method of communication, comprising:
receiving, at a terminal device and from a network device, downlink control information (DCI) indicating a plurality of transmission power control (TPC) commands for power control of transmissions from the terminal device to the network device; determining the plurality of TPC commands from the DCI; and performing the transmissions from the terminal device to the network device while controlling power of the transmissions based on the plurality of TPC commands.

7 . The method of claim 6 , wherein the DCI comprises a plurality of fields for indicating the plurality of TPC commands, and determining the plurality of TPC commands from the DCI comprises:
determining the plurality of TPC commands from the plurality of fields in the DCI.

8 . The method of claim 6 , wherein the DCI comprises an SRS resource indicator (SRI) field or a transmission configuration indicator (TCI) field for indicating the plurality of TPC commands, and determining the plurality of TPC commands from the DCI comprises:
determining the plurality of TPC commands from the SRI field or the TCI field in the DCI.

9 . The method of claim 6 , wherein
receiving the DCI comprises:
receiving a plurality of repetitions of the DCI from the network device; and
determining the plurality of TPC commands from the DCI comprises:
determining the plurality of TPC commands from the plurality of repetitions respectively.

10 . The method of claim 6 , wherein the transmissions comprise Physical Uplink Shared Channel (PUSCH) transmissions or Physical Uplink Control Channel (PUCCH) transmissions.

11 . The method of claim 6 , wherein controlling power of the transmissions based on the plurality of TPC commands comprises:
determining, from the plurality of TPC commands, a TPC command to be used for controlling power of a transmission of the transmissions; determining a power control adjustment state corresponding to the TPC command; and controlling power of the transmission based on the power control adjustment state and the TPC command.

12 . A method of communication, comprising:
transmitting, from a network device to a terminal device, a configuration about repetitions for a physical channel between the network device and the terminal device; and communicating the repetitions for the physical channel with the terminal device based on the configuration.

13 . The method of claim 12 , wherein the configuration is transmitted to the terminal device via any of the following:
Radio Resource Control (RRC) signaling; Medium Access Control (MAC) control element (CE); and Downlink Control Information (DCI).

14 . The method of claim 12 , wherein the physical channel is a PDCCH and the configuration indicates at least one of the following:
whether PDCCH repetitions are enabled or not; a number of PDCCH repetitions; at least one control resource set (CORESET) to be used for the PDCCH; and whether the PDCCH repetitions are used for scheduling transmissions of same data or same control information.

15 . The method of claim 14 , wherein the configuration indicates a CORESET with a plurality of sets of quasi co-location (QCL) parameters, and each set of QCL parameters is to be applied to at least a part of the PDCCH repetitions.

16 . The method of claim 14 , wherein the configuration indicates a plurality of CORESETs, and each CORESET is to be applied to at least a part of the PDCCH repetitions.

17 . The method of claim 12 , wherein the physical channel is a PUSCH and the configuration indicates at least one of the following:
whether PUSCH repetitions are enabled or not; a number of PUSCH repetitions; and a maximum number of layers for each PUSCH repetition.

18 . The method of claim 17 , wherein the configuration is transmitted to the terminal device via DCI, the DCI comprises an SRS resource indicator (SRI) field and a value of the SRI field indicates different spatial relation information to be applied to the PUSCH repetitions.

19 . The method of claim 17 , wherein the configuration is transmitted to the terminal device via DCI, the DCI comprises a plurality of SRI fields and a value of each SRI field indicates spatial relation information to be applied to at least a part of the PUSCH repetitions.

20 . The method of claim 17 , wherein the configuration is transmitted to the terminal device via DCI, the DCI comprises a transmission configuration indicator (TCI) field and a value of the TCI field indicates different spatial relation information to be applied to the PUSCH repetitions.

21 . The method of claim 12 , wherein the physical channel is a PUCCH and the configuration indicates at least one of the following:
whether PUCCH repetitions are enabled or not; a number of PUCCH repetitions; and at least one PUCCH resource to be used for the PUCCH repetitions.

22 . The method of claim 21 , wherein the configuration indicates a PUCCH resource associated with different spatial relation information to be applied to the PUCCH repetitions.

23 . The method of claim 21 , wherein the configuration indicates a plurality of PUCCH resources associated with different spatial relation information, and each PUCCH resource is to be used for at least a part of the PUCCH repetitions.

24 . A method of communication, comprising:
receiving, at a terminal device and from a network device, a configuration about repetitions for a physical channel between the network device and the terminal device; and communicating the repetitions for the physical channel with the network device based on the configuration.

25 . The method of claim 24 , wherein the configuration is received from the network device via any of the following:
Radio Resource Control (RRC) signaling; Medium Access Control (MAC) control element (CE); and Downlink Control Information (DCI).

26 . The method of claim 24 , wherein the physical channel is a PDCCH and the configuration indicates at least one of the following:
whether PDCCH repetitions are enabled or not; a number of PDCCH repetitions; at least one control resource set (CORESET) to be used

Assignees

• Nec Corp

Inventors

• Gao Yukai
• Wang Gang

Classifications

• H04L5/0048

  Allocation of pilot signals, i.e. of signals known to the receiver (allocation of control signalling H04L5/0053; use of control signalling H04L5/0091) · CPC title

• H04W52/16 Primary

  Deriving transmission power values from another channel · CPC title

• H04L5/0092

  Indication of how the channel is divided · CPC title

• H04L5/0053

  Allocation of signalling, i.e. of overhead other than pilot signals · CPC title

• H04W72/23

  in the downlink direction of a wireless link, i.e. towards a terminal · CPC title