CN-122029767-A - Method and apparatus for network power saving in a wireless communication system

CN122029767ACN 122029767 ACN122029767 ACN 122029767ACN-122029767-A

Abstract

A method and apparatus for network power saving in a wireless communication system are disclosed. A method performed by a terminal according to one embodiment of the present disclosure includes the steps of receiving mode information for active and inactive periods of cell-related DTX/DRX, and performing measurements on at least one of a serving cell or a neighbor cell based on the mode information. Here, based on performing the measurement of the serving cell during the inactive period, the measurement of the serving cell during the inactive period may correspond to the restricted measurement performed based on the preset condition.

Inventors

LI YINGDA
LIANG XIZHE
Jin Shanxu
Ming Shichang

Assignees

LG电子株式会社

Dates

Publication Date: 20260512
Application Date: 20240910
Priority Date: 20230927

Claims (15)

1. A method performed by a terminal in a wireless communication system, the method comprising: receiving mode information for at least one of active or inactive periods of cell-related Discontinuous Transmission (DTX) or Discontinuous Reception (DRX), and Based on the mode information, performing measurements on at least one of the serving cell or the neighbor cell, Wherein the measurements of the serving cell during the inactive period correspond to restricted measurements performed based on pre-configured conditions based on the measurements of the serving cell performed during the inactive period.
2. The method according to claim 1, Periodically performing measurements of the serving cell during the inactive period during a specific period of time, and Wherein the period of measurement of the serving cell during the inactive period is configured to be longer than the period of measurement of the serving cell during the active period.
3. The method according to claim 1, Wherein the measurement of the serving cell during the inactive period is performed for one or more Synchronization Signal Block (SSB) indexes or one or more channel state information-reference signal (CSI-RS) resources assigned by a base station.
4. The method according to claim 1, Wherein the measurement of the serving cell during the inactive period is performed when the measurement value for the serving cell is greater than or equal to a threshold value pre-configured for the restricted measurement.
5. The method according to claim 1, Wherein the measurement of the serving cell during the inactive period is performed when the measurement value for the serving cell is less than or equal to a threshold value pre-configured for the restricted measurement.
6. The method according to claim 1, Wherein the measurements of the neighbor cells during the inactive period are performed for one or more SSB indexes or one or more CSI-RS resources assigned by a base station based on the measurements of the neighbor cells performed during the inactive period.
7. The method according to claim 1, Wherein the measurements of the neighbor cells during the inactive period are performed for one or more measurement objects assigned by a base station based on the measurements of the neighbor cells performed during the inactive period.
8. The method according to claim 7, Wherein the one or more measurement objects correspond to at least one of one or more neighbor cells or one or more frequencies to be measured.
9. The method according to claim 1, Wherein a plurality of mode information based on the active period and the inactive period for the cell-related DTX or DRX is configured, the method further comprising receiving an indication to activate or deactivate one or more of the plurality of mode information.
10. The method according to claim 9, wherein the method comprises, Wherein the plurality of mode information is based on the terminal being in an idle state or an inactive state based on Radio Resource Control (RRC): Is configured by system information, and Is indicated by paging-related Downlink Control Information (DCI) for activating or deactivating the one or more mode information.
11. A terminal on a wireless communication system, the terminal comprising: At least one transceiver, and At least one processor, the at least one processor being connected to the at least one transceiver, Wherein the at least one processor is configured to: receiving mode information for at least one of active or inactive periods of cell-related Discontinuous Transmission (DTX) or Discontinuous Reception (DRX), and Based on the mode information, performing measurements on at least one of the serving cell or the neighbor cell, Wherein the measurements of the serving cell during the inactive period correspond to restricted measurements performed based on pre-configured conditions based on the measurements of the serving cell performed during the inactive period.
12. A method performed by a base station in a wireless communication system, the method comprising: Transmitting mode information for at least one of active or inactive periods of cell-related Discontinuous Transmission (DTX) or Discontinuous Reception (DRX), and Based on the mode information, a measurement report is received for at least one of the serving cell or the neighbor cell, Wherein the measurements of the serving cell during the inactive period correspond to restricted measurements performed based on pre-configured conditions based on the measurements of the serving cell performed during the inactive period.
13. A base station on a wireless communication system, the base station comprising: At least one transceiver, and At least one processor, the at least one processor being connected to the at least one transceiver, Wherein the at least one processor is configured to: Transmitting mode information for at least one of active or inactive periods of cell-related Discontinuous Transmission (DTX) or Discontinuous Reception (DRX), and Based on the mode information, a measurement report is received for at least one of the serving cell or the neighbor cell, Wherein the measurements of the serving cell during the inactive period correspond to restricted measurements performed based on pre-configured conditions based on the measurements of the serving cell performed during the inactive period.
14. A processing apparatus configured to control a terminal for performing measurements in a wireless communication system, the processing apparatus comprising: at least one processor, and At least one computer memory operably coupled to the at least one processor and storing instructions that, when executed by the at least one processor, are to perform the method according to any one of claims 1 to 10.
15. At least one non-transitory computer-readable medium storing at least one instruction, wherein: The at least one instruction, by execution by at least one processor, controls an apparatus for performing uplink transmission in a wireless communication system to perform the method according to any one of claims 1 to 10.

Description

Method and apparatus for network power saving in a wireless communication system Technical Field The present disclosure relates to wireless communication systems, and more particularly, to a method and apparatus for network power saving in a wireless communication system. Background A mobile communication system has been developed to provide a voice service while guaranteeing mobility of a user. However, the mobile communication system has been extended to data traffic as well as voice traffic, and currently, explosive growth of traffic has resulted in resource shortage, and users have demanded faster services, and thus, more advanced mobile communication systems have been demanded. The general need for the next generation mobile communication system should be able to support the accommodation of explosive data traffic, a significant increase in transmission rate per user, the accommodation of a significantly increased number of connected devices, very low end-to-end delay and energy efficiency. For this reason, various technologies of dual connectivity, massive multiple input multiple output (massive MIMO), in-band full duplex, non-orthogonal multiple access (NOMA), ultra wideband support, device networking, etc. have been studied. Disclosure of Invention Technical problem It is a technical object of the present disclosure to provide a method and apparatus for network power saving in a wireless communication system. Technical objects achieved by the present disclosure are not limited to the above technical objects, and other technical objects not described herein will be clearly understood from the following description by those skilled in the relevant art. Technical proposal A method performed by a terminal in a wireless communication system according to one aspect of the present disclosure may include receiving mode information for at least one of an active period or a non-active period of cell-related Discontinuous Transmission (DTX) or Discontinuous Reception (DRX), and performing measurements on at least one of a serving cell or a neighboring cell based on the mode information. Here, based on the measurement of the serving cell being performed during the inactive period, the measurement of the serving cell during the inactive period may correspond to the restricted measurement performed based on the pre-configured condition. A method performed by a base station in a wireless communication system according to additional aspects of the present disclosure may include transmitting mode information for at least one of an active period or a non-active period of cell-related Discontinuous Transmission (DTX) or Discontinuous Reception (DRX), and receiving a measurement report for at least one of a serving cell or a neighbor cell based on the mode information. Here, based on the measurement of the serving cell being performed during the inactive period, the measurement of the serving cell during the inactive period may correspond to the restricted measurement performed based on the pre-configured condition. Advantageous effects According to various embodiments of the present disclosure, a method and apparatus for network power saving in a wireless communication system may be provided. The effects achievable by the present disclosure are not limited to the above-described effects, and other effects not described herein can be clearly understood by those skilled in the art from the following description. Drawings The accompanying drawings, which are included to provide a further understanding of the detailed description of the disclosure, provide examples of the disclosure and describe features of the disclosure through the detailed description. Fig. 1 illustrates a structure of a wireless communication system to which the present disclosure can be applied. Fig. 2 illustrates a frame structure in a wireless communication system to which the present disclosure may be applied. Fig. 3 illustrates a resource grid in a wireless communication system to which the present disclosure may be applied. Fig. 4 illustrates physical resource blocks in a wireless communication system to which the present disclosure may be applied. Fig. 5 illustrates a slot structure in a wireless communication system to which the present disclosure may be applied. Fig. 6 illustrates a physical channel used in a wireless communication system to which the present disclosure can be applied and general signal transmission and reception methods using the physical channel. Fig. 7 is a diagram for describing an operation of a terminal in a wireless communication system to which the present disclosure can be applied. Fig. 8 is a diagram for describing an operation of a base station in a wireless communication system to which the present disclosure can be applied. Fig. 9 illustrates a block diagram of a wireless communication device according to an embodiment of the present disclosure. Detailed Description Hereinafter, embodiments according to the prese