Power-saving signal configuration and transmission methods and apparatuses

Patent metadata

Field	Value
Publication number	US-12170958-B2
Application number	US-202017631505-A
Country	US
Kind code	B2
Filing date	Jun 2, 2020
Priority date	Aug 1, 2019
Publication date	Dec 17, 2024
Grant date	Dec 17, 2024

Abstract

Disclosed in the present application are power-saving signal configuration and transmission methods and apparatuses. In the present application, a base station configures search space set configuration information of a power-saving signal, and sends same to a terminal. The power-saving signal search space set configuration information includes first configuration information and second configuration information; the first configuration information is search space set configuration information of a power-saving signal used when the terminal is in a short DRX cycle; and the second configuration information is search space set configuration information of a power-saving signal used when the terminal is in a long DRX cycle.

First claim

What is claimed is:

1. A power-saving signal configuration method, comprising:
configuring, by a base station, search space set configuration information for a power-saving signal, wherein the search space set configuration information for the power-saving signal comprises at least one of first configuration information or second configuration information, the first configuration information is search space set configuration information for the power-saving signal used when a terminal is in a short discontinuous reception (DRX) cycle, and the second configuration information is search space set configuration information for the power-saving signal used when the terminal is in a long DRX cycle; and
sending, by the base station, the search space set configuration information for the power-saving signal to the terminal;
wherein the method comprises at least one of the following modes: the first configuration information comprises a first monitoring occasion offset or a first time offset, the first monitoring occasion offset is a monitoring occasion offset for the power-saving signal used when the terminal is in the short DRX cycle, and the first time offset is a time offset from a monitoring occasion for the power-saving signal used when the terminal is in the short DRX cycle to the short DRX cycle; or
the second configuration information comprises a second monitoring occasion offset or a second time offset, the second monitoring occasion offset is a monitoring occasion offset for the power-saving signal used when the terminal is in the long DRX cycle, and the second time offset is a time offset from a monitoring occasion for the power-saving signal used when the terminal is in the long DRX cycle to the long DRX cycle.

2. The method according to claim 1 , wherein the method comprises at least one of the following modes: the first configuration information comprises a first monitoring periodicity, the first monitoring periodicity is N times of the short DRX cycle, and the N is an integer greater than or equal to 0; or
the second configuration information comprises a second monitoring periodicity, the second monitoring periodicity is M times of the long DRX cycle, and the M is an integer greater than or equal to 1.

3. The method according to claim 1 , wherein a first monitoring periodicity for the power-saving signal used when the terminal is in the short DRX cycle is associated with the short DRX cycle of the terminal, the first monitoring periodicity is N times of the short DRX cycle, and the N is an integer greater than or equal to 0; or
a second monitoring periodicity for the power-saving signal used when the terminal is in the long DRX cycle is associated with the long DRX cycle of the terminal, the second monitoring periodicity is M times of the long DRX cycle, and the M is an integer greater than or equal to 1.

4. The method according to claim 1 , further comprising:
sending, by the base station, a high-level signaling to the terminal, wherein the high-level signaling is configured to notify at least one of a first time offset or a second time offset, the first time offset is a time offset from a monitoring occasion for the power-saving signal used when the terminal is in the short DRX cycle to the short DRX cycle; and the second time offset is a time offset from a monitoring occasion for the power-saving signal used when the terminal is in the long DRX cycle to the long DRX cycle.

5. The method according to claim 1 , wherein the method comprises at least one of the following modes: the first configuration information comprises a first monitoring time window, and the first monitoring time window is a slot length for continuously monitoring the power-saving signal when the terminal is in the short DRX cycle; or
the second configuration information comprises a second monitoring time window, and the second monitoring time window is a slot length for continuously monitoring the power-saving signal when the terminal is in the long DRX cycle.

6. A communication apparatus, comprising: a processor, a memory and a transceiver, wherein the processor is configured to read a computer instruction in the memory to execute the method according to claim 1 .

7. The method according to claim 1 , wherein the first configuration information comprises a first control resource set associated with a search space set, and the first control resource set is configured to indicate a resource occupied by the power-saving signal during the short DRX cycle; and
the second configuration information comprises a second control resource set associated with the search space set, and the second control resource set is configured to indicate a resource occupied by the power-saving signal during the long DRX cycle.

8. The method according to claim 1 , wherein the first configuration information comprises a first power-saving signal monitoring pattern, and the first power-saving signal monitoring pattern is a power-saving signal monitoring pattern used when the terminal is in the short DRX cycle; and
the second configuration information comprises a second power-saving signal monitoring pattern, and the second power-saving signal monitoring pattern is a power-saving signal monitoring pattern used when the terminal is in the long DRX cycle.

9. The method according to claim 1 , wherein the configuring, by the base station, the search space set configuration information for the power-saving signal, comprises:
configuring, by the base station, one search space set for the power-saving signal, wherein the search space set configuration information corresponding to the one search space set comprises at least one of the first configuration information or the second configuration information; or configuring, by the base station, a first search space set and a second search space set for the power-saving signal, wherein the search space set configuration information corresponding to the first search space set comprises the first configuration information, and the search space set configuration information corresponding to the second search space set comprises the second configuration information.

10. A power-saving signal transmission method, comprising:
receiving, by a terminal, search space set configuration information for a power-saving signal sent by a base station, wherein the search space set configuration information for the power-saving signal comprises first configuration information and/or second configuration information, the first configuration information is search space set configuration information for the power-saving signal used when the terminal is in a short discontinuous reception (DRX) cycle, and the second configuration information is search space set configuration information for the power-saving signal used when the terminal is in a long DRX cycle; and
monitoring, by the terminal, the power-saving signal according to the search space set configuration information for the power-saving signal; wherein
the monitoring, by the terminal, the power-saving signal according to the search space set configuration information for the power-saving signal, comprises:
monitoring the power-saving signal by using the first configuration information when the terminal is in the short DRX cycle, and not monitoring the power-saving signal when being in the long DRX cycle; or
monitoring the power-saving signal by using the second configuration information when the terminal is in the long DRX cycle, and not monitoring the power-saving signal when being in the short DRX cycle; or
monitoring the power-saving signal by using the first configuration information when the terminal is in the short DRX cycle, and monitoring the power-saving signal by using the s

Assignees

• Datang mobile communications equipment co ltd

Inventors

• Luo Chen
• Wang Jiaqing
• Yang Meiying
• Zhao Zheng

Classifications

• H04W52/0235

  where the received signal is a power saving command · CPC title

• H04W76/28

  Discontinuous transmission [DTX]; Discontinuous reception [DRX] · CPC title

• H04B7/0617

  for beam forming · CPC title

• H04W72/0446

  Resources in time domain, e.g. slots or frames · CPC title

• H04W72/231

  the control data signalling from the layers above the physical layer, e.g. RRC or MAC-CE signalling · CPC title