IN2014CN00391A - - Google Patents

Info

Publication number
IN2014CN00391A
IN2014CN00391A IN391CHN2014A IN2014CN00391A IN 2014CN00391 A IN2014CN00391 A IN 2014CN00391A IN 391CHN2014 A IN391CHN2014 A IN 391CHN2014A IN 2014CN00391 A IN2014CN00391 A IN 2014CN00391A
Authority
IN
India
Prior art keywords
neighbor bss
neighbor
present disclosure
caused
csi
Prior art date
Application number
Other languages
English (en)
Inventor
Alan Barbieri
Tingfang Ji
Peter Gaal
Stefan Geirhofer
Yichao Huang
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of IN2014CN00391A publication Critical patent/IN2014CN00391A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • 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
    • 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
    • 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
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/345—Interference values
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
IN391CHN2014 2011-08-25 2012-08-24 IN2014CN00391A (enrdf_load_stackoverflow)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161527468P 2011-08-25 2011-08-25
US13/592,797 US9008582B2 (en) 2011-08-25 2012-08-23 User equipment enhancements for cooperative multi-point communication
PCT/US2012/052329 WO2013029000A1 (en) 2011-08-25 2012-08-24 User equipment enhancements for cooperative multi-point communication

Publications (1)

Publication Number Publication Date
IN2014CN00391A true IN2014CN00391A (enrdf_load_stackoverflow) 2015-04-03

Family

ID=47744455

Family Applications (1)

Application Number Title Priority Date Filing Date
IN391CHN2014 IN2014CN00391A (enrdf_load_stackoverflow) 2011-08-25 2012-08-24

Country Status (9)

Country Link
US (1) US9008582B2 (enrdf_load_stackoverflow)
EP (1) EP2748943B1 (enrdf_load_stackoverflow)
JP (1) JP5980926B2 (enrdf_load_stackoverflow)
KR (1) KR101537290B1 (enrdf_load_stackoverflow)
CN (1) CN103748802B (enrdf_load_stackoverflow)
ES (1) ES2659456T3 (enrdf_load_stackoverflow)
HU (1) HUE035257T2 (enrdf_load_stackoverflow)
IN (1) IN2014CN00391A (enrdf_load_stackoverflow)
WO (1) WO2013029000A1 (enrdf_load_stackoverflow)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8797966B2 (en) 2011-09-23 2014-08-05 Ofinno Technologies, Llc Channel state information transmission
KR101502740B1 (ko) * 2011-09-26 2015-03-13 엘지전자 주식회사 무선 통신 시스템에서 간섭을 측정하는 방법 및 장치
EP2961221B1 (en) * 2011-10-03 2018-02-21 Ntt Docomo, Inc. Radio communication system, feedback method, user terminal, and radio base station apparatus
US8885569B2 (en) 2011-12-19 2014-11-11 Ofinno Technologies, Llc Beamforming signaling in a wireless network
US9832658B2 (en) * 2012-03-23 2017-11-28 Nokia Solutions And Networks Oy Interference coordination by means of directional antenna beams in a wireless system
US9425934B2 (en) * 2012-05-07 2016-08-23 Lg Electronics Inc. Method and user device for receiving downlink data, and method and base station for transmitting downlink data
WO2014077577A1 (ko) 2012-11-13 2014-05-22 엘지전자 주식회사 데이터 전송 방법 및 장치와, 데이터 전송 방법 및 장치
EP2962485B1 (en) * 2013-03-01 2019-08-21 Intel IP Corporation Wireless local area network (wlan) traffic offloading
US9854589B2 (en) 2013-03-06 2017-12-26 Interdigital Patent Holdings, Inc. Interference management and interference alignment in wireless networks
JP6301065B2 (ja) * 2013-04-04 2018-03-28 株式会社Ｎｔｔドコモ 無線基地局、ユーザ端末および無線通信方法
US9755810B2 (en) * 2013-04-12 2017-09-05 Qualcomm Incorporated Precoder resource bundling information for interference cancellation in LTE
US9769834B2 (en) * 2013-05-07 2017-09-19 Spectrum Effect, Inc. Interference detection with UE signal subtraction
KR102058878B1 (ko) * 2013-05-16 2019-12-26 삼성전자주식회사 무선 통신 시스템에서 데이터 송수신 방법 및 장치
US9479230B2 (en) 2013-05-31 2016-10-25 Blackberry Limited Systems and methods for data offload in wireless networks
JP6286032B2 (ja) * 2013-07-09 2018-02-28 エルジー エレクトロニクス インコーポレイティド 無線通信システムにおいてチャネル状態報告のための方法及びそのための装置
KR102083563B1 (ko) * 2013-07-22 2020-03-03 삼성전자주식회사 무선 전력 전송 시스템에서의 간섭 제어 방법 및 장치
KR101754178B1 (ko) * 2013-07-30 2017-07-05 후아웨이 테크놀러지 컴퍼니 리미티드 동일 채널 셀 간섭을 처리하는 방법, 장치, 및 시스템
CN104469960B (zh) * 2013-09-25 2019-12-10 中兴通讯股份有限公司 调度配置方法与装置
DE102013113457B4 (de) * 2013-12-04 2017-07-06 Intel IP Corporation Verfahren und vorrichtung zum erkennen eines interferenzszenarios
US9813179B2 (en) * 2014-01-29 2017-11-07 Mediatek Inc. Method for cancelling a data transmission of a neighboring cell
WO2015149349A1 (zh) * 2014-04-04 2015-10-08 华为技术有限公司 参考信号的检测方法、接收方法、用户设备和基站
WO2016163658A1 (ko) * 2015-04-09 2016-10-13 한국전자통신연구원 비면허대역 ｌｔｅ 데이터의 간섭신호 감지 및 디코딩 방법
US10141987B2 (en) 2015-05-15 2018-11-27 Lg Electronics Inc. Method for feeding back reference signal information in multi-antenna wireless communication system and apparatus therefor
WO2017075821A1 (zh) * 2015-11-06 2017-05-11 华为技术有限公司 一种信道状态信息的测量与反馈方法、用户设备及基站
KR20170054070A (ko) * 2015-11-09 2017-05-17 삼성전자주식회사 빔포밍이 적용되는 통신 시스템에서 복수개의 기지국들에 의한 협력통신 제공 방법 및 장치
US11005539B2 (en) * 2016-01-26 2021-05-11 Apple Inc. System and method for system information transmission in stand-alone mmwave systems
KR102278012B1 (ko) * 2016-04-07 2021-07-15 삼성전자주식회사 무선 통신 시스템에서 간섭 정렬을 위한 장치 및 방법
CN107453834A (zh) * 2016-05-31 2017-12-08 华为技术有限公司 一种下行干扰管理方法、基站及用户设备
WO2018086057A1 (en) * 2016-11-11 2018-05-17 Qualcomm Incorporated Reference signal purpose indication
ES2925892T3 (es) 2016-11-22 2022-10-20 Samsung Electronics Co Ltd Procedimiento y aparato para la estimación del canal y la decodificación de datos en un sistema de comunicación inalámbrica
US10469298B2 (en) * 2017-05-12 2019-11-05 Qualcomm Incorporated Increasing reference signal density in wireless communications
CN109327294B (zh) * 2017-08-01 2021-07-27 深圳市中兴微电子技术有限公司 用户设备、传输节点、协作传输方法及计算机存储介质
ES2890324T3 (es) 2017-08-11 2022-01-18 Fraunhofer Ges Forschung Conceptos para transmitir datos a uno o más usuarios
CN109803351B (zh) * 2017-11-17 2021-03-16 维沃移动通信有限公司 一种资源分配的方法及设备
CN108282822B (zh) * 2018-01-22 2021-05-04 重庆邮电大学 用户关联与功率控制在异构蜂窝网络中的协同优化算法
CN110944346B (zh) * 2018-09-21 2023-05-05 中国移动通信有限公司研究院 一种信号发送方法及设备
US11451926B2 (en) * 2018-10-31 2022-09-20 Qualcomm Incorporated Methods and systems for on-demand transmission of a positioning reference signal in a wireless network
US12041578B2 (en) 2018-10-31 2024-07-16 Qualcomm Incorporated System and methods for supporting uplink and downlink positioning procedures in a wireless network
WO2020102971A1 (en) * 2018-11-20 2020-05-28 Qualcomm Incorporated Cross link interference detection systems and methods
CN113196700B (zh) * 2018-12-21 2025-04-01 谷歌有限责任公司 减轻由多无线电接入技术和多连接性环境中的并发传输所引起的本地干扰状况
WO2020167071A1 (ko) * 2019-02-14 2020-08-20 엘지전자 주식회사 무선 통신 시스템에서 데이터를 송수신하기 위한 방법 및 이를 위한 장치
US11229033B2 (en) * 2019-06-02 2022-01-18 Qualcomm Incorporated Over-the-air interference coordination
US11653228B2 (en) * 2020-02-24 2023-05-16 Qualcomm Incorporated Channel state information (CSI) learning
US11785637B2 (en) 2020-04-29 2023-10-10 Qualcomm Incorporated Multiple channel state feedback reports for MU-MIMO scheduling assistance
WO2021260413A1 (en) * 2020-06-23 2021-12-30 Nokia Technologies Oy Method, apparatus and computer program
US11683713B2 (en) * 2021-08-02 2023-06-20 Qualcomm Incorporated Inter-cell downlink (DL) interference measurement
EP4391400A4 (en) 2021-10-29 2024-12-25 Samsung Electronics Co., Ltd. INTELLIGENT WIRELESS ACCESS NETWORK CONTROL DEVICE WHICH SELECTS CELL THAT PERFORMS COORDINATION FUNCTION WITH REAGENTS, AND IMPLEMENTATION METHOD THEREFOR

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8897269B2 (en) * 2008-01-30 2014-11-25 Qualcomm Incorporated Method and apparatus for mitigating pilot pollution in a wireless network
US8780829B2 (en) 2008-12-11 2014-07-15 Lg Electronics Inc. Method for transmitting and receiving a comp reference signal in a multi-cell environment
US8472539B2 (en) * 2009-04-07 2013-06-25 Lg Electronics Inc. Method of transmitting power information in wireless communication system
KR101478316B1 (ko) * 2009-04-28 2014-12-31 한국전자통신연구원 전용 레퍼런스 시그널 전송 방법 및 전용 레퍼런스 시그널 수신 방법
KR101568274B1 (ko) 2009-05-29 2015-11-20 삼성전자주식회사 협력 멀티-포인트 송신을 위한 클러스터링 방법 및 통신 장치
JP5051935B2 (ja) * 2009-06-16 2012-10-17 シャープ株式会社 基地局装置、端末装置、方法および通信システム
US8600308B2 (en) 2009-06-17 2013-12-03 Futurewei Technologies, Inc. Channel state information feedback for coordinated multiple points transmission
WO2011034392A2 (ko) * 2009-09-18 2011-03-24 한국전자통신연구원 클러스터드 디에프티 스프레드 오에프디엠 전송에 있어서 상향링크 복조용 레퍼런스 시그널의 생성 및 전송 방법
US8755365B2 (en) * 2009-11-08 2014-06-17 Lg Electronics Inc. Method and a base station for transmitting a CSI-RS, and a method and user equipment for receiving the CSI-RS
CN102111879B (zh) * 2009-12-29 2014-07-02 中国移动通信集团公司 分配资源、发送信道状态信息导频信号的方法及设备
US9515773B2 (en) 2010-04-13 2016-12-06 Qualcomm Incorporated Channel state information reporting in a wireless communication network
CN101867457B (zh) * 2010-06-21 2016-01-20 中兴通讯股份有限公司 信道状态信息的处理方法及用户设备
JP2012147048A (ja) * 2011-01-06 2012-08-02 Ntt Docomo Inc 無線基地局装置、移動端末装置、及び無線通信方法
US9544108B2 (en) 2011-02-11 2017-01-10 Qualcomm Incorporated Method and apparatus for enabling channel and interference estimations in macro/RRH system

Also Published As

Publication number Publication date
JP2014524718A (ja) 2014-09-22
JP5980926B2 (ja) 2016-08-31
US20130053077A1 (en) 2013-02-28
HUE035257T2 (en) 2018-05-02
EP2748943B1 (en) 2017-12-06
EP2748943A1 (en) 2014-07-02
CN103748802B (zh) 2016-09-14
KR20140047162A (ko) 2014-04-21
CN103748802A (zh) 2014-04-23
ES2659456T3 (es) 2018-03-15
WO2013029000A1 (en) 2013-02-28
US9008582B2 (en) 2015-04-14
KR101537290B1 (ko) 2015-07-16

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