HK1106642A1 - Closed loop multiple-input-output-system with reduced feedback of channel state information - Google Patents

Closed loop multiple-input-output-system with reduced feedback of channel state information

Info

Publication number
HK1106642A1
HK1106642A1 HK07112036.4A HK07112036A HK1106642A1 HK 1106642 A1 HK1106642 A1 HK 1106642A1 HK 07112036 A HK07112036 A HK 07112036A HK 1106642 A1 HK1106642 A1 HK 1106642A1
Authority
HK
Hong Kong
Prior art keywords
input
output
state information
closed loop
channel state
Prior art date
Application number
HK07112036.4A
Other languages
English (en)
Inventor
Ada Poon
Original Assignee
Intel Corp
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 Intel Corp filed Critical Intel Corp
Publication of HK1106642A1 publication Critical patent/HK1106642A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • 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
    • H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • 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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
HK07112036.4A 2004-06-23 2007-11-06 Closed loop multiple-input-output-system with reduced feedback of channel state information HK1106642A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/875,111 US7710925B2 (en) 2004-06-23 2004-06-23 Spatial puncturing apparatus, method, and system
PCT/US2005/017653 WO2006007138A1 (en) 2004-06-23 2005-05-20 Closed loop multiple-input-output-system with reduced feedback of channel state information

Publications (1)

Publication Number Publication Date
HK1106642A1 true HK1106642A1 (en) 2008-03-14

Family

ID=34970154

Family Applications (1)

Application Number Title Priority Date Filing Date
HK07112036.4A HK1106642A1 (en) 2004-06-23 2007-11-06 Closed loop multiple-input-output-system with reduced feedback of channel state information

Country Status (6)

Country Link
US (2) US7710925B2 (xx)
CN (2) CN102355288B (xx)
HK (1) HK1106642A1 (xx)
MY (1) MY143928A (xx)
TW (1) TWI285480B (xx)
WO (1) WO2006007138A1 (xx)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7710925B2 (en) * 2004-06-23 2010-05-04 Intel Corporation Spatial puncturing apparatus, method, and system
WO2006002550A1 (en) * 2004-07-07 2006-01-12 Nortel Networks Limited System and method for mapping symbols for mimo transmission
US8457152B2 (en) * 2004-07-16 2013-06-04 Qualcomm Incorporated Multiple modulation schemes in single rate layering wireless communication systems
US7680212B2 (en) * 2004-08-17 2010-03-16 The Board Of Trustees Of The Leland Stanford Junior University Linear precoding for multi-input systems based on channel estimate and channel statistics
US20060045169A1 (en) * 2004-08-27 2006-03-02 Qualcomm Incorporated Coded-bit scrambling for multi-stream communication in a mimo channel
US7596355B2 (en) * 2004-11-29 2009-09-29 Intel Corporation System and method capable of closed loop MIMO calibration
US8130864B1 (en) * 2007-04-03 2012-03-06 Marvell International Ltd. System and method of beamforming with reduced feedback
US8095097B1 (en) * 2007-08-06 2012-01-10 Marvell International Ltd. Increasing the robustness of channel estimates derived through sounding for WLAN
US7929918B2 (en) * 2007-08-13 2011-04-19 Samsung Electronics Co., Ltd. System and method for training the same type of directional antennas that adapts the training sequence length to the number of antennas
CN101179318B (zh) * 2007-12-03 2011-04-27 中国科学技术大学 一种基于优化信道训练的多用户多入多出系统传输方法
WO2009084877A1 (en) * 2007-12-28 2009-07-09 Samsung Electronics Co., Ltd. Method and apparatus for transmitting/receiving downlink data in wireless communication network
US8478204B2 (en) 2008-07-14 2013-07-02 Samsung Electronics Co., Ltd. System and method for antenna training of beamforming vectors having reuse of directional information
CN102684835B (zh) * 2012-05-10 2015-05-20 电信科学技术研究院 多点信道状态信息的上报方法和设备
US9161153B2 (en) * 2012-06-15 2015-10-13 Industrial Technology Research Institute Method of handling CSI report and related communication device
KR102079590B1 (ko) * 2013-05-03 2020-02-21 삼성전자주식회사 빔포밍을 사용하는 통신 시스템에서 채널 정보 측정 및 피드백을 위한 방법 및 장치
US20160261325A1 (en) 2013-11-04 2016-09-08 Lg Electronics Inc. Method and apparatus for transmitting signal in wireless communication system
US10763931B2 (en) 2016-09-27 2020-09-01 Apple Inc. Communication device and a method for hybrid beamforming
US11929812B2 (en) * 2018-11-10 2024-03-12 Qualcomm Incorporated Techniques for reducing feedback information

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6134231A (en) * 1997-08-08 2000-10-17 Telefonaktiebolaget Lm Ericsson (Publ) Uplink channel puncturing for reduced interference within a wireless data communications network
US6801775B1 (en) * 1999-06-23 2004-10-05 At&T Wireless Services, Inc. Establishing a communication channel in a wireless network
DE60135183D1 (de) * 2000-05-23 2008-09-18 Ntt Docomo Inc Raummultiplex Übertragungsverfahren und System
US8634481B1 (en) * 2000-11-16 2014-01-21 Alcatel Lucent Feedback technique for wireless systems with multiple transmit and receive antennas
US6917820B2 (en) * 2001-01-26 2005-07-12 Stanford University Method and apparatus for selection and use of optimal antennas in wireless systems
US6859503B2 (en) * 2001-04-07 2005-02-22 Motorola, Inc. Method and system in a transceiver for controlling a multiple-input, multiple-output communications channel
GB0125178D0 (en) * 2001-10-19 2001-12-12 Koninkl Philips Electronics Nv Method of operating a wireless communication system
US6741587B2 (en) * 2002-04-02 2004-05-25 Nokia Corporation Inter-frequency measurements with MIMO terminals
GB0212165D0 (en) * 2002-05-27 2002-07-03 Nokia Corp A wireless system
KR100831987B1 (ko) * 2002-08-30 2008-05-23 삼성전자주식회사 다중 사용자를 위한 다중 안테나를 이용한 송수신 장치
US7324605B2 (en) * 2004-01-12 2008-01-29 Intel Corporation High-throughput multicarrier communication systems and methods for exchanging channel state information
EP1709752B1 (en) * 2004-01-20 2016-09-14 LG Electronics, Inc. Method for transmitting/receiving signals in a mimo system
US7551589B2 (en) * 2004-04-02 2009-06-23 Lg Electronics Inc. Frame structure of uplink control information transmission channel in MIMO communication system
US7710925B2 (en) * 2004-06-23 2010-05-04 Intel Corporation Spatial puncturing apparatus, method, and system

Also Published As

Publication number Publication date
US8160028B2 (en) 2012-04-17
WO2006007138A1 (en) 2006-01-19
CN102355288B (zh) 2016-09-14
TWI285480B (en) 2007-08-11
US20050286404A1 (en) 2005-12-29
MY143928A (en) 2011-07-29
US20100189091A1 (en) 2010-07-29
CN101015160A (zh) 2007-08-08
CN102355288A (zh) 2012-02-15
CN101015160B (zh) 2011-12-07
US7710925B2 (en) 2010-05-04
TW200614711A (en) 2006-05-01

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20170520