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Method for interference measurement in wireless communication system and apparatus for same

專利號
US11039453B2
公開日期
2021-06-15
申請人
LG Electronics Inc.（KR Seoul）
發(fā)明人
Kunil Yum; Jiwon Kang; Kijun Kim; Jonghyun Park; Hyungtae Kim; Haewook Park
IPC分類
H04W72/08; H04B17/336; H04W24/10; H04W72/04
技術(shù)領(lǐng)域
csi,im,ue,aperiodic,icsi,rs,enb,subframe,signaling,in
地域： Seoul

摘要

A method for measuring interference by a terminal in a wireless communication system according to one embodiment of the present invention may comprise the steps of: receiving interference measurement configuration information including a semi-persistence channel state information-interference (CSI-IM) configuration; receiving a request which indicates measurement of the semi-persistence CSI-IM configuration; and measuring the semi-persistence CSI-IM configuration in response to the received request, wherein the semi-persistence CSI-IM configuration may indicate CSI-IM which is performed at predetermined periods during a predetermined time interval.

說明書

CROSS-REFERENCE TO RELATED APPLICATIONS

This application is a continuation of U.S. application Ser. No. 16/065,757, filed on Dec. 13, 2018, which is a National Stage application under 35 U.S.C. § 371 of International Application No. PCT/KR2017/010599, filed on Sep. 26, 2017, which claims the benefit of U.S. Provisional Application No. 62/553,143, filed on Sep. 1, 2017, and U.S. Provisional Application No. 62/399,489, filed on Sep. 26, 2016. The disclosures of the prior applications are incorporated by reference in their entirety.

TECHNICAL FIELD

The present disclosure relates to a wireless communication system, and more particularly, to a method and apparatus for measuring interference.

BACKGROUND

As more and more communication devices require larger communication capacities, there is a need for enhanced mobile broadband communication (eMBB), compared to legacy radio access technologies (RATs). In addition, massive machine type communications (mMTC) which connects multiple devices and objects to one another to provide various services at any time in any place is one of main issues to be considered for future-generation communications. Besides, a communication system design which considers services sensitive to reliability and latency is under discussion. As such, the introduction of a future-generation RAT in consideration of eMBB, mMTC, ultra-reliable and low-latency communication (URLLC), and so on is under discussion. In the present disclosure, this technology is referred to as New RAT, for the convenience's sake.

SUMMARY

權(quán)利要求

1
What is claimed is:1. A method for performing interference measurement by a user equipment (UE) in a wireless communication system, the method comprising:receiving, from a base station (BS), information on semi-persistent measurement configuration for channel state information-interference measurement (CSI-IM) resource;receiving, from the BS, Medium Access Control (MAC) signaling for a command on activation of semi-persistent CSI-IM resource for the interference measurement; andperforming the interference measurement based on the semi-persistent measurement configuration and the command,wherein the semi-persistent measurement configuration includes a periodicity used for the semi-persistent CSI-IM resource, andwherein CSI-IM transmission is applied starting from a first timing point that is after an interval from a second timing point related to reception of the command.2. The method of claim 1, wherein the MAC signaling is used for activating or deactivating the semi-persistent CSI-IM resource for the interference measurement.3. The method of claim 1, wherein the periodicity for the semi-persistent CSI-IM resource is used for a specific time duration.4. The method of claim 1, wherein the command on activation of the semi-persistent CSI-IM resource for the interference measurement is related to a CSI report request.5. The method of claim 1, further comprising:receiving, from the BS, information on a compensation value related to a power, for the semi-persistent CSI-IM resource.6. The method of claim 1, wherein the interference measurement for the semi-persistent CSI-IM resource is to be reported in a subframe #m+k having interval of k subframes from a subframe #m in which the MAC signaling is received.7. A user equipment (UE) configured to perform interference measurement in a wireless communication system, the UE comprising:a transmitter,a receiver; andat least one processor configured to control the transmitter and the receiver,wherein the at least one processor is further configured to:control the receiver to receive, from a base station (BS), information on semi-persistent measurement configuration for channel state information-interference measurement (CSI-IM) resource,control the receiver to receive, from the BS, Medium Access Control (MAC) signaling for a command on activation of semi-persistent CSI-IM resource for the interference measurement, andperform the interference measurement based on the semi-persistent measurement configuration and the command,wherein the semi-persistent measurement configuration includes a periodicity used for the semi-persistent CSI-IM resource, andwherein CSI-IM transmission is applied starting from a first timing point that is after an interval from a second timing point related to reception of the command.8. The UE of claim 7, wherein the MAC signaling is used for activating or deactivating the semi-persistent CSI-IM resource for interference measurement.9. The UE of claim 7, wherein the periodicity for the semi-persistent CSI-IM resource is used for a specific time duration.10. The UE of claim 7, wherein the command on activation of the semi-persistent CSI-IM resource for the interference measurement is related to a CSI report request.11. The UE of claim 7, where the at least one processor is further configured to:receive, from the BS, information on a compensation value related to a power, for the semi-persistent CSI-IM resource.12. The UE of claim 7, wherein the interference measurement for the semi-persistent CSI-IM resource is to be reported in a subframe #m+k having interval of k subframes from a subframe #m in which the MAC signaling is received.13. An apparatus configured to perform interference measurement in a wireless communication system, the apparatus comprising:a memory; andat least one processor coupled to the memory and configured to:receive information on semi-persistent measurement configuration for channel state information-interference measurement (CSI-IM) resource,receive Medium Access Control (MAC) signaling for a command on activation of semi-persistent CSI-IM resource for the interference measurement, andperform the interference measurement based on the semi-persistent measurement configuration and the command,wherein the semi-persistent measurement configuration includes a periodicity used for the semi-persistent CSI-IM resource, andwherein CSI-IM transmission is applied starting from a first timing point that is after an interval from a second timing point related to reception of the command.
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