WO2010137925A2 - 무선 통신 시스템에서 프리코딩된 참조신호를 효율적으로 전송하는 방법 및 장치 - Google Patents

무선 통신 시스템에서 프리코딩된 참조신호를 효율적으로 전송하는 방법 및 장치 Download PDF

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Publication number
WO2010137925A2
WO2010137925A2 PCT/KR2010/003458 KR2010003458W WO2010137925A2 WO 2010137925 A2 WO2010137925 A2 WO 2010137925A2 KR 2010003458 W KR2010003458 W KR 2010003458W WO 2010137925 A2 WO2010137925 A2 WO 2010137925A2
Authority
WO
WIPO (PCT)
Prior art keywords
precoded reference
communication system
radio communication
reference signals
reference signal
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/KR2010/003458
Other languages
English (en)
French (fr)
Other versions
WO2010137925A3 (ko
Inventor
고현수
이문일
임빈철
이욱봉
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.)
LG Electronics Inc
Original Assignee
LG Electronics 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 LG Electronics Inc filed Critical LG Electronics Inc
Priority to US13/375,209 priority Critical patent/US8614984B2/en
Priority to EP10780836.2A priority patent/EP2437409A4/en
Priority claimed from KR1020100050876A external-priority patent/KR20100129237A/ko
Publication of WO2010137925A2 publication Critical patent/WO2010137925A2/ko
Publication of WO2010137925A3 publication Critical patent/WO2010137925A3/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
    • H04B7/0426—Power distribution
    • H04B7/043—Power distribution using best eigenmode, e.g. beam forming or beam steering
    • 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
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • 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
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal

Landscapes

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

Abstract

본 발명은 무선 통신 시스템에 대한 것으로, 프리코딩된 참조신호를 효율적으로 전송하는 방법 및 장치가 개시된다. 본 발명의 일 실시예에 따른 다중 안테나 전송에서 참조신호를 전송하는 방법은, M 개의 (M ≥ 3, M은 자연수) 레이어 각각에 대한 프리코딩 벡터를 결정하는 단계, 상기 프리코딩 벡터에 따라서 상기 M 개의 레이어 각각에 대한 참조신호를 프리코딩하는 단계, 상기 M 개의 레이어 각각에 대한 프리코딩된 참조신호 중에서 N (N<M, N은 자연수)개의 레이어에 대한 프리코딩된 참조신호를 N 개의 코드를 이용하여 다중화하는 단계, 및 상기 다중화된 프리코딩된 참조신호를 수신측으로 전송하는 단계를 포함할 수 있다.
PCT/KR2010/003458 2009-05-29 2010-05-31 무선 통신 시스템에서 프리코딩된 참조신호를 효율적으로 전송하는 방법 및 장치 Ceased WO2010137925A2 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US13/375,209 US8614984B2 (en) 2009-05-29 2010-05-31 Method and device for efficiently transmitting precoded reference signal in radio communication system
EP10780836.2A EP2437409A4 (en) 2009-05-29 2010-05-31 Method and device for efficiently transmitting precoded reference signal in radio communication system

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US18211909P 2009-05-29 2009-05-29
US61/182,119 2009-05-29
KR1020100050876A KR20100129237A (ko) 2009-05-29 2010-05-31 무선 통신 시스템에서 프리코딩된 참조신호를 효율적으로 전송하는 방법 및 장치
KR10-2010-0050876 2010-05-31

Publications (2)

Publication Number Publication Date
WO2010137925A2 true WO2010137925A2 (ko) 2010-12-02
WO2010137925A3 WO2010137925A3 (ko) 2011-03-31

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2010/003458 Ceased WO2010137925A2 (ko) 2009-05-29 2010-05-31 무선 통신 시스템에서 프리코딩된 참조신호를 효율적으로 전송하는 방법 및 장치

Country Status (3)

Country Link
US (1) US8614984B2 (ko)
EP (1) EP2437409A4 (ko)
WO (1) WO2010137925A2 (ko)

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CN102158319B (zh) * 2010-02-12 2015-12-16 中兴通讯股份有限公司 一种基于混合复用解调参考符号的预编码方法及装置
US9326122B2 (en) * 2013-08-08 2016-04-26 Intel IP Corporation User equipment and method for packet based device-to-device (D2D) discovery in an LTE network
US9681354B2 (en) 2013-08-08 2017-06-13 Intel IP Corporation Signaling radio bearer optimizations and other techniques for supporting small data transmissions
WO2015020736A1 (en) 2013-08-08 2015-02-12 Intel IP Corporation Method, apparatus and system for electrical downtilt adjustment in a multiple input multiple output system
US9564958B2 (en) 2013-08-08 2017-02-07 Intel IP Corporation Power saving mode optimizations and related procedures
US9499995B2 (en) 2013-08-08 2016-11-22 Intel IP Corporation Coverage extension level for coverage limited device
US9661657B2 (en) 2013-11-27 2017-05-23 Intel Corporation TCP traffic adaptation in wireless systems
CN109495149B (zh) * 2017-09-11 2021-10-15 华为技术有限公司 通信方法、网络设备、终端设备和系统
US9973225B1 (en) * 2017-10-26 2018-05-15 Qualcomm Incorporated Receiver providing reduced distortion in a wireless device

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US7852811B2 (en) * 2006-02-03 2010-12-14 Freescale Semiconductor, Inc. Communication system with MIMO channel estimation using peak-limited pilot signals
US8243850B2 (en) * 2006-10-24 2012-08-14 Samsung Electronics Co., Ltd. Method and system for generating reference signals in a wireless communication system
KR101351020B1 (ko) * 2007-01-04 2014-01-16 엘지전자 주식회사 이동 통신 시스템에서의 제어 신호 다중화 방법
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
US8369450B2 (en) * 2007-08-07 2013-02-05 Samsung Electronics Co., Ltd. Pilot boosting and traffic to pilot ratio estimation in a wireless communication system
US8009617B2 (en) * 2007-08-15 2011-08-30 Qualcomm Incorporated Beamforming of control information in a wireless communication system
US8233559B2 (en) * 2008-03-12 2012-07-31 Lg Electronics Inc. Method and apparatus for transmitting a pilot in multi-antenna system
KR101597573B1 (ko) * 2008-08-11 2016-02-25 엘지전자 주식회사 제어정보의 상향링크 전송 방법
CN102273091A (zh) * 2008-11-03 2011-12-07 爱立信电话股份有限公司 发射参考信号并确定多天线发射的预编码矩阵的方法
US8228862B2 (en) * 2008-12-03 2012-07-24 Samsung Electronics Co., Ltd. Method and system for reference signal pattern design
US8503572B2 (en) * 2009-02-02 2013-08-06 Qualcomm Incorporated Antenna virtualization in a wireless communication environment

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Title
None
See also references of EP2437409A4

Also Published As

Publication number Publication date
US8614984B2 (en) 2013-12-24
WO2010137925A3 (ko) 2011-03-31
US20120113934A1 (en) 2012-05-10
EP2437409A2 (en) 2012-04-04
EP2437409A4 (en) 2017-02-01

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