Signal transmission method, apparatus, and device

Patent metadata

Field	Value
Publication number	US-12279207-B2
Application number	US-202017600570-A
Country	US
Kind code	B2
Filing date	Mar 25, 2020
Priority date	Apr 2, 2019
Publication date	Apr 15, 2025
Grant date	Apr 15, 2025

Abstract

A signal transmission method, a signal transmission apparatus and a device are provided. The signal transmission method includes: configuring at least one transmission beam, the transmission beam being a beam corresponding to a transmission resource for a power-saving signal; and transmitting the power-saving signal on the at least one transmission beam.

First claim

What is claimed is:

1. A signal transmission method for a network device, comprising:
configuring at least one transmission beam, the transmission beam being a beam corresponding to a transmission resource for a power-saving signal, and the at least one transmission beam corresponding to a same power-saving signal; and
transmitting the power-saving signal on the at least one transmission beam;
wherein the configuring the at least one transmission beam comprises:
configuring at least one CORESET, the at least one CORESET being resources corresponding to the power-saving signal; and
configuring at least one transmission beam for each of the at least one CORESET;
wherein the transmitting the power-saving signal on the at least one transmission beam comprises:
selecting a target transmission beam from the at least one transmission beam;
transmitting the power-saving signal on the target transmission beam;
or
transmitting the power-saving signal on at least two first time units through a same transmission beam in at least two transmission beams;
or
transmitting the power-saving signal on the at least two first time units through different transmission beams in the at least two transmission beams, different first time units corresponding to different transmission beams.

2. The signal transmission method according to claim 1 , wherein the configuring the at least one transmission beam comprises:
configuring at least one transmission beam through high layer signaling or physical layer signaling.

3. The signal transmission method according to claim 1 , wherein the power-saving signal is a Physical Downlink Control Channel (PDCCH)-based power-saving signal, the signal transmission method further comprises:
configuring a reference signal for the transmission beam, different transmission beams corresponding to different reference signals.

4. The signal transmission method according to claim 3 , wherein the different transmission beams corresponding to the different reference signals comprise at least one of:
that the reference signals corresponding to the different transmission beams are in a same sequence and have different patterns;
that the reference signals corresponding to the different transmission beams are in different sequences and have a same pattern; or
that the reference signals corresponding to the different transmission beams are in different sequences and have different patterns.

5. The signal transmission method according to claim 1 , further comprising:
configuring at least two second time units, different second time units corresponding to different CORESETs.

6. The signal transmission method according to claim 5 , wherein the configuring the at least two second time units comprises:
configuring the at least two second time units through high layer signaling, physical layer signaling or pre-agreement.

7. The signal transmission method according to claim 5 , wherein the transmitting the power-saving signal on the at least one transmission beam comprises:
transmitting the power-saving signal on at least two second time units and on respective CORESETs corresponding to the at least two second time units through at least one transmission beam corresponding to the CORESET.

8. The signal transmission method according to claim 1 , further comprising:
configuring for a User Equipment (UE) priori information that is to be used by the UE to detect the transmission beam on a time unit, the time unit comprising a first time unit or a second time unit.

9. The signal transmission method according to claim 8 , wherein the configuring for the UE the priori information that is to be used by the UE to detect the transmission beam on the time unit comprises:
configuring for the UE through high layer signaling, physical layer signaling or pre-agreement, the priori information that is to be used by the UE to detect the transmission beam on the time unit.

10. A signal transmission method for a UE, comprising:
receiving a power-saving signal transmitted by a network device on at least one transmission beam, the at least one transmission beam corresponding to a same power-saving signal;
wherein the power-saving signal is configured to be corresponding to at least one CORESET, for each of the at least one CORESET, at least one transmission beam is configured;
wherein the power-saving signal is transmitted by the network device in the following manners:
selecting a target transmission beam from the at least one transmission beam;
transmitting the power-saving signal on the target transmission beam;
or
transmitting the power-saving signal on at least two first time units through a same transmission beam in at least two transmission beams;
or
transmitting the power-saving signal on the at least two first time units through different transmission beams in the at least two transmission beams, different first time units corresponding to different transmission beams.

11. The signal transmission method according to claim 10 , wherein the transmission beam comprises one transmission beam;
the receiving the power-saving signal transmitted by the network device on the at least one transmission beam comprises:
receiving, on a reception beam corresponding to the transmission beam, the power-saving signal transmitted by the network device on the transmission beam.

12. The signal transmission method according to claim 10 , wherein there are at least two transmission beams corresponding to a same power-saving signal;
subsequent to receiving the power-saving signal transmitted by the network device on the at least one transmission beam, the signal transmission method further comprises:
determining a target transmission beam that is selected by the network device from the at least two transmission beams.

13. The signal transmission method according to claim 12 , wherein the determining the target transmission beam that is selected by the network device from the at least two transmission beams comprises:
detecting a reference signal corresponding to the transmission beam, different transmission beams corresponding to different reference signals;
when the reference signal has been detected, determining the transmission beam corresponding to the reference signal as the target transmission beam that is selected by the network device from the at least two transmission beams.

14. The signal transmission method according to claim 12 , wherein the receiving the power-saving signal transmitted by the network device on the at least one transmission beam comprises:
receiving, on a same first time unit through at least two reception beams, the respective power-saving signals transmitted on the transmission beams corresponding to the at least two reception beams.

15. A network device, comprising a transceiver, a memory, a processor, and a program stored in the memory and capable of being executed by the processor, wherein the processor is configured to execute the program to:
configure at least one transmission beam, the transmission beam being a beam corresponding to a transmission resource for a power-saving signal, and the at least one transmission beam corresponding to a same power-saving signal; and
transmit the power-saving signal on the at least one transmission beam,
wherein the processor is further configured to:
configure at least one CORESET, the at least one CORESET being resources corresponding to the power-saving signal; and
configure at least one transmission beam for each of the at least one CORESET;
wherein the processor is further configured to:
select a target transmission beam

Assignees

• Datang mobile communications equipment co ltd

Inventors

• Wang Jiaqing
• Cheng Fangchen
• Gao Qiubin

Classifications

• H04B7/06966

  using beam correspondence; using channel reciprocity, e.g. downlink beam training based on uplink sounding reference signal [SRS] · CPC title

• H04W72/23

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

• H04W72/046

  the resource being in the space domain, e.g. beams · CPC title

• H04W52/0229

  where the received signal is a wanted signal · CPC title

• H04L5/0051

  of dedicated pilots, i.e. pilots destined for a single user or terminal · CPC title