[go: up one dir, main page]

WO2012002753A3 - 채널정보 송수신방법 및 그 단말, 그 기지국 - Google Patents

채널정보 송수신방법 및 그 단말, 그 기지국 Download PDF

Info

Publication number
WO2012002753A3
WO2012002753A3 PCT/KR2011/004808 KR2011004808W WO2012002753A3 WO 2012002753 A3 WO2012002753 A3 WO 2012002753A3 KR 2011004808 W KR2011004808 W KR 2011004808W WO 2012002753 A3 WO2012002753 A3 WO 2012002753A3
Authority
WO
WIPO (PCT)
Prior art keywords
terminal
transmitting
base station
channel state
state information
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2011/004808
Other languages
English (en)
French (fr)
Other versions
WO2012002753A2 (ko
Inventor
박경민
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pantech Co Ltd
Original Assignee
Pantech Co Ltd
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 Pantech Co Ltd filed Critical Pantech Co Ltd
Priority to US13/807,696 priority Critical patent/US20130107849A1/en
Publication of WO2012002753A2 publication Critical patent/WO2012002753A2/ko
Publication of WO2012002753A3 publication Critical patent/WO2012002753A3/ko
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback 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
    • H04B7/0413—MIMO systems
    • H04B7/0452—Multi-user 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
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0469—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking special antenna structures, e.g. cross polarized antennas into account
    • 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
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0473—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking constraints in layer or codeword to antenna mapping into account
    • 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
    • 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
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • 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
    • H04B7/0636—Feedback format
    • H04B7/0645—Variable feedback
    • H04B7/0647—Variable feedback rate
    • 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
    • H04B7/0636—Feedback format
    • H04B7/0645—Variable feedback
    • H04B7/065—Variable contents, e.g. long-term or short-short
    • 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
    • H04B7/10—Polarisation diversity; Directional diversity

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)

Abstract

이 출원은 송수신단 모두에서 다중입력다중출력 (MIM0) 안테나를 이용하는 무선통신시스템에 관한 것이다. 특히, 기지국에서 적어도 하나의 단말로부터 제 1채널상태정보와제 2채널 상태정보를 서로 다른 주기로 피드백받는 단계 및 상기 단말과 적어도 하나의 다른 단말의 동시 접속을 허용하는 경우 상기 다른 단말의 다중 접속정보를 상기 제 1채널상태정보 또는 상기 제 2채널상태정보 중 주기가 짧은 하나보다 긴 주기로 피드백받는 단계를 포함하는 것을 기술적 특징으로 한다.
PCT/KR2011/004808 2010-07-01 2011-06-30 채널정보 송수신방법 및 그 단말, 그 기지국 Ceased WO2012002753A2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/807,696 US20130107849A1 (en) 2010-07-01 2011-06-30 Method, terminal, and base station for transmitting and receiving channel information

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020100063612A KR20120002875A (ko) 2010-07-01 2010-07-01 채널정보 송수신방법 및 그 단말, 그 기지국
KR10-2010-0063612 2010-07-01

Publications (2)

Publication Number Publication Date
WO2012002753A2 WO2012002753A2 (ko) 2012-01-05
WO2012002753A3 true WO2012002753A3 (ko) 2012-02-23

Family

ID=45402585

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/004808 Ceased WO2012002753A2 (ko) 2010-07-01 2011-06-30 채널정보 송수신방법 및 그 단말, 그 기지국

Country Status (3)

Country Link
US (1) US20130107849A1 (ko)
KR (1) KR20120002875A (ko)
WO (1) WO2012002753A2 (ko)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4862086B2 (ja) * 2010-03-04 2012-01-25 シャープ株式会社 無線通信システム、基地局装置、移動局装置、無線通信方法および集積回路
EP2557839A1 (en) 2011-08-12 2013-02-13 Panasonic Corporation Channel quality information reporting in protected subframes
US9608785B2 (en) 2012-01-11 2017-03-28 Lg Electronics Inc. Channel estimation method and apparatus using reference signal
WO2013137655A1 (ko) * 2012-03-14 2013-09-19 엘지전자 주식회사 무선 통신 시스템에서 채널상태정보 보고 방법 및 장치
US8913682B2 (en) * 2012-05-18 2014-12-16 Samsung Electronics Co., Ltd. Apparatus and method for channel state information codeword construction for a cellular wireless communication system
KR101987232B1 (ko) 2012-11-02 2019-09-30 주식회사 팬택 다중 안테나 시스템에서 참조 신호의 전송장치 및 방법
CN103945555B (zh) * 2013-01-21 2018-03-20 电信科学技术研究院 多点协作传输下的资源调度方法和设备
US9077487B2 (en) * 2013-02-25 2015-07-07 Itron, Inc. Radio to support channel plans of arbitrary width and/or spacing
US9014307B2 (en) 2013-02-25 2015-04-21 Itron, Inc. Radio to analog-to-digital sample rate decoupled from digital subsystem
US9426680B2 (en) 2013-02-25 2016-08-23 Itron, Inc. Real-time radio spectrum assessment engine
US9252998B2 (en) 2013-02-25 2016-02-02 Itron, Inc. Radio to detect and compensate for frequency misalignment
US9814037B2 (en) 2013-06-28 2017-11-07 Intel Corporation Method for efficient channel estimation and beamforming in FDD system by exploiting uplink-downlink correspondence
US9794870B2 (en) 2013-06-28 2017-10-17 Intel Corporation User equipment and method for user equipment feedback of flow-to-rat mapping preferences
WO2015034311A1 (ko) * 2013-09-05 2015-03-12 엘지전자 주식회사 다중 안테나 지원 무선 통신 시스템에서 참조 신호를 전송하는 방법 및 장치
US9866364B2 (en) * 2014-08-29 2018-01-09 Huawei Technologies Co., Ltd. System and method for semi-orthogonal multiple access
US9954591B2 (en) * 2015-01-16 2018-04-24 RF DSP Inc. Beamforming in a MU-MIMO wireless communication system
CN111478761B (zh) 2015-04-10 2022-10-18 阿里斯卡尔股份有限公司 发送和接收信道状态信息-参考信号的方法和设备
US9900901B1 (en) * 2015-04-22 2018-02-20 Mediatek Inc. Sounding method and wireless communication system
US10374837B2 (en) * 2015-07-07 2019-08-06 Lg Electronics Inc. Method for measuring effective channel for must transmission in wireless communication system and apparatus therefor
US9992124B2 (en) 2015-10-09 2018-06-05 Itron, Inc. Multi-channel decoder architecture
US10742360B2 (en) * 2017-04-14 2020-08-11 Mediatek Inc. Layer mapping, CSI feedback and HARQ feedback in mobile communications
KR102349455B1 (ko) * 2018-01-19 2022-01-10 삼성전자주식회사 무선통신시스템에서 신호를 송수신하는 방법 및 장치
WO2020221422A1 (en) 2019-04-29 2020-11-05 Telefonaktiebolaget Lm Ericsson (Publ) Transmission of reference signals from a terminal device
KR102765674B1 (ko) * 2023-12-12 2025-02-07 연세대학교 산학협력단 Fdd 통신 시스템의 사용자 단말 선택 장치 및 방법

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090023879A (ko) * 2007-09-03 2009-03-06 삼성전자주식회사 다중 사용자 다중 입출력 무선통신 시스템에서 간섭 제거를위한 신호 처리 장치 및 방법

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8320301B2 (en) * 2002-10-25 2012-11-27 Qualcomm Incorporated MIMO WLAN system
US8391322B2 (en) * 2003-07-09 2013-03-05 Broadcom Corporation Method and system for single weight (SW) antenna system for spatial multiplexing (SM) MIMO system for WCDMA/HSDPA
US8064837B2 (en) * 2005-06-16 2011-11-22 Qualcomm Incorporated Method and apparatus for optimum selection of MIMO and interference cancellation
US7809074B2 (en) * 2007-03-16 2010-10-05 Freescale Semiconductor, Inc. Generalized reference signaling scheme for multi-user, multiple input, multiple output (MU-MIMO) using arbitrarily precoded reference signals
US8325671B2 (en) * 2007-09-06 2012-12-04 Qualcomm Incorporated Methods and apparatus for improved utilization of air link resources in a wireless communications system including a multi-antenna element base station
JP5269098B2 (ja) * 2008-01-14 2013-08-21 テレフオンアクチーボラゲット エル エム エリクソン（パブル） Ｍｉｍｏ通信における開ループ事前符号化器循環
WO2010032385A1 (ja) * 2008-09-22 2010-03-25 パナソニック株式会社 無線通信装置、無線通信システム及び無線通信方法
US9019902B2 (en) * 2008-11-11 2015-04-28 Qualcomm Incorporated Channel quality feedback in multicarrier systems
US8737509B2 (en) * 2009-01-07 2014-05-27 Panasonic Corporation Wireless communication apparatus, wireless communication system and wireless communication method
US8711716B2 (en) * 2009-06-19 2014-04-29 Texas Instruments Incorporated Multiple CQI feedback for cellular networks
JP5505676B2 (ja) * 2010-06-18 2014-05-28 日本電気株式会社 無線通信システムにおけるダウンリンク協調マルチポイント送信のためのプリコーディング技法
US20110319027A1 (en) * 2010-06-25 2011-12-29 Motorola, Inc. Method for channel quality feedback in wireless communication systems

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090023879A (ko) * 2007-09-03 2009-03-06 삼성전자주식회사 다중 사용자 다중 입출력 무선통신 시스템에서 간섭 제거를위한 신호 처리 장치 및 방법

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
A. GHOSH ET AL.: "LTE-advanced: Next-generation wireless broadband technology", IEEE WIRELESS COMMUNICATIONS, vol. 17, no. 3, June 2010 (2010-06-01), pages 10 - 22, XP011311803 *
K. WU ET AL.: "A hierarchical feedback technique for multiuser MIMO", IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE 2009 (WCNC 2009), 8 April 2009 (2009-04-08), pages 1 - 5, XP031454000 *

Also Published As

Publication number Publication date
US20130107849A1 (en) 2013-05-02
KR20120002875A (ko) 2012-01-09
WO2012002753A2 (ko) 2012-01-05

Similar Documents

Publication Publication Date Title
WO2012002753A3 (ko) 채널정보 송수신방법 및 그 단말, 그 기지국
WO2011126243A3 (ko) 채널상태정보 피드백 장치와 그 방법, 기지국
WO2010093166A2 (ko) 다중안테나 전송을 위한 단말 동작
WO2012005476A3 (ko) 송신장치 및 그 통신방법, 수신장치, 그 통신방법
WO2011155763A3 (ko) 협력 멀티 포인트 통신 시스템에서 채널상태정보 송수신 방법 및 장치
WO2011155784A3 (ko) 이동 통신 시스템 및 그 이동 통신 시스템에서 패킷 제어 방법
WO2011053084A3 (ko) 채널 정보 피드백 장치 및 방법과 그를 이용하는 모드 전환 스위칭 방법과 통신단말장치 및 기지국 장치
WO2010101352A3 (ko) 무선 통신 시스템에서 조정 멀티 포인트 세트 설정 방법 및 이를 위한 장치
WO2010117981A3 (en) System and method for supporting multiplen reverse link data streams
WO2009136736A3 (en) Method for transmitting and receiving data in a cooperative multiple-input multiple-output mobile communication system
WO2011046317A3 (ko) 다중-셀 협력 통신 모드 및 단일-셀 mimo 통신 모드 간의 모드 스위칭 방법 및 장치
WO2011021814A3 (ko) 무선통신시스템에서 데이터 송수신 방법 및 시스템
WO2011042847A3 (en) A method for operating a radio station in a cellular communication network
WO2009047739A3 (en) Method and system for managing precoding in a multi-user wireless communications system
WO2011013977A3 (ko) 제어 정보를 전송하는 방법 및 이를 위한 장치
WO2013043007A3 (ko) 무선 통신 시스템에서 랜덤 액세스 방법 및 장치
WO2012141483A3 (ko) 단말 획득 정보를 효율적으로 기지국에 전달하는 방법 및 장치
WO2011055940A3 (ko) 채널 품질 정보의 전송 방법 및 이를 위한 장치
WO2012067445A3 (en) Uplink transmission power control method and apparatus for a distributed antenna mobile communication system
WO2011162532A3 (ko) 장치의 채널정보 전송방법, 그 장치, 기지국, 그 기지국의 전송방법
WO2011065798A3 (en) Device and method for selecting transceiver in mobile communication system
WO2010110568A3 (ko) 복수 안테나를 이용한 채널 사운딩 방법 및 이를 위한 장치
WO2011115421A3 (en) Method and apparatus for providing channel state information-reference signal (csi-rs) configuration information in a wireless communication system supporting multiple antennas
WO2010101345A3 (en) Signal transmission method and system for transmitting signal by using interference control method and/or transmission power control method
WO2011008059A3 (ko) 다중 안테나 무선 통신 시스템에서 하향링크 신호를 수신하는 방법 및 이를 위한 장치

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11801159

Country of ref document: EP

Kind code of ref document: A2

WWE Wipo information: entry into national phase

Ref document number: 13807696

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 11801159

Country of ref document: EP

Kind code of ref document: A2