KR101802327B1 - 네트워크 보조된 간섭 소거를 위한 채널 상태 정보 기준 신호(csi-rs) 핸들링 - Google Patents

네트워크 보조된 간섭 소거를 위한 채널 상태 정보 기준 신호(csi-rs) 핸들링 Download PDF

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KR101802327B1
KR101802327B1 KR1020157031082A KR20157031082A KR101802327B1 KR 101802327 B1 KR101802327 B1 KR 101802327B1 KR 1020157031082 A KR1020157031082 A KR 1020157031082A KR 20157031082 A KR20157031082 A KR 20157031082A KR 101802327 B1 KR101802327 B1 KR 101802327B1
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csi
cell
processor
zero power
configuration information
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KR20150138307A (ko
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하오 수
완시 첸
타오 루오
피터 가알
태상 유
용빈 웨이
더가 프라사드 말라디
슈테판 게이르호퍼
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퀄컴 인코포레이티드
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0092—Indication of how the channel is divided
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • H04J11/005—Interference mitigation or co-ordination of intercell interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • H04J11/005—Interference mitigation or co-ordination of intercell interference
    • H04J11/0059—Out-of-cell user aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H04J11/0079—Acquisition of downlink reference signals, e.g. detection of cell-ID
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2211/00—Orthogonal indexing scheme relating to orthogonal multiplex systems
    • H04J2211/003—Orthogonal indexing scheme relating to orthogonal multiplex systems within particular systems or standards
    • H04J2211/005—Long term evolution [LTE]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Databases & Information Systems (AREA)
KR1020157031082A 2013-04-03 2014-04-03 네트워크 보조된 간섭 소거를 위한 채널 상태 정보 기준 신호(csi-rs) 핸들링 Active KR101802327B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361808167P 2013-04-03 2013-04-03
US61/808,167 2013-04-03
US14/243,848 US9374719B2 (en) 2013-04-03 2014-04-02 Channel state information reference signal (CSI-RS) handling for network assisted interference cancellation
US14/243,848 2014-04-02
PCT/US2014/032872 WO2014165699A2 (en) 2013-04-03 2014-04-03 Channel state information reference signal (csi-rs) handling for network assisted interference cancellation

Publications (2)

Publication Number Publication Date
KR20150138307A KR20150138307A (ko) 2015-12-09
KR101802327B1 true KR101802327B1 (ko) 2017-11-28

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KR1020157031082A Active KR101802327B1 (ko) 2013-04-03 2014-04-03 네트워크 보조된 간섭 소거를 위한 채널 상태 정보 기준 신호(csi-rs) 핸들링

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Country Link
US (1) US9374719B2 (enExample)
EP (1) EP2982087B1 (enExample)
JP (1) JP6250789B2 (enExample)
KR (1) KR101802327B1 (enExample)
CN (2) CN107733629B (enExample)
WO (1) WO2014165699A2 (enExample)

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US9264097B2 (en) 2009-06-04 2016-02-16 Qualcomm Incorporated Interference mitigation for downlink in a wireless communication system
EP2897308B1 (en) 2012-09-16 2019-08-28 LG Electronics Inc. Method and apparatus for receiving data in wireless communication system supporting cooperative transmission
CN104144136B (zh) * 2013-05-10 2017-12-15 华为技术有限公司 用户专用参考信号的发送方法及装置
JP6093736B2 (ja) * 2014-08-08 2017-03-08 株式会社Ｎｔｔドコモ ユーザ端末、無線基地局、無線通信方法及び無線通信システム
WO2016024731A1 (ko) * 2014-08-12 2016-02-18 엘지전자 주식회사 무선 통신 시스템에서 채널 상태 보고를 위한 방법 및 이를 위한 장치
KR102280021B1 (ko) * 2014-09-11 2021-07-21 삼성전자주식회사 무선 통신 시스템에서 기준 신호를 송수신하는 기법
US9876589B2 (en) 2014-10-15 2018-01-23 Lg Electronics Inc. Method for adjusting inter-cell interference in wireless communication system and apparatus therefor
WO2016161600A1 (zh) * 2015-04-09 2016-10-13 华为技术有限公司 传输参数信息的方法及装置、基站及被干扰用户设备
US10164747B2 (en) * 2015-05-29 2018-12-25 Samsung Electronics Co., Ltd. Method and apparatus for operating MIMO measurement reference signals and feedback
US10159087B2 (en) 2015-12-11 2018-12-18 Qualcomm Incorporated Channel state information framework for advanced receivers
CN112165349A (zh) * 2016-03-31 2021-01-01 华为技术有限公司 一种信道状态测量方法及装置
US10313074B1 (en) 2016-08-30 2019-06-04 Sprint Communications Company L.P. Channel condition estimation using static user data symbols over user equipment (UE) specific reference signals
EP3603164A4 (en) * 2017-03-24 2020-11-18 Telefonaktiebolaget LM Ericsson (publ) CSI-RS FOR AMM MEASURES
WO2018227554A1 (en) * 2017-06-16 2018-12-20 Motorola Mobility Llc Synchronization signal block transmission
CN109586819A (zh) * 2017-09-29 2019-04-05 电信科学技术研究院 一种干扰测量方法、用户终端和网络侧设备
US10756863B2 (en) 2018-05-11 2020-08-25 At&T Intellectual Property I, L.P. Transmitting reference signals in 5G or other next generation communication systems
WO2019221471A1 (ko) * 2018-05-16 2019-11-21 엘지전자 주식회사 무선 통신 시스템에서 채널 상태 정보 보고를 수행하는 방법 및 이를 위한 장치
CN112449423A (zh) * 2019-08-30 2021-03-05 上海华为技术有限公司 一种数据交互的方法

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KR101237666B1 (ko) * 2009-07-28 2013-02-26 엘지전자 주식회사 다중 입출력 통신 시스템에서 셀간 간섭을 제거하기 위한 기준신호 전송 방법 및 장치
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Publication number Publication date
WO2014165699A3 (en) 2014-12-04
EP2982087B1 (en) 2018-07-25
KR20150138307A (ko) 2015-12-09
EP2982087A2 (en) 2016-02-10
CN105075205A (zh) 2015-11-18
US20140301271A1 (en) 2014-10-09
CN105075205B (zh) 2018-10-02
WO2014165699A2 (en) 2014-10-09
JP2016524353A (ja) 2016-08-12
CN107733629B (zh) 2021-06-25
US9374719B2 (en) 2016-06-21
JP6250789B2 (ja) 2017-12-20
CN107733629A (zh) 2018-02-23

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