WO2009023532A3 - Channel aware multiple user mimo scheme unified with single user closed loop mimo - Google Patents

Channel aware multiple user mimo scheme unified with single user closed loop mimo Download PDF

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Publication number
WO2009023532A3
WO2009023532A3 PCT/US2008/072511 US2008072511W WO2009023532A3 WO 2009023532 A3 WO2009023532 A3 WO 2009023532A3 US 2008072511 W US2008072511 W US 2008072511W WO 2009023532 A3 WO2009023532 A3 WO 2009023532A3
Authority
WO
WIPO (PCT)
Prior art keywords
subscriber
mimo
user mimo
base station
closed loop
Prior art date
Application number
PCT/US2008/072511
Other languages
French (fr)
Other versions
WO2009023532A2 (en
Inventor
Hongming Zheng
Shanshan Zheng
Xiaoyun Wu
Original Assignee
Intel Corp
Hongming Zheng
Shanshan Zheng
Xiaoyun Wu
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
Priority claimed from US12/183,371 external-priority patent/US7716909B2/en
Application filed by Intel Corp, Hongming Zheng, Shanshan Zheng, Xiaoyun Wu filed Critical Intel Corp
Priority to DE112008002055.8T priority Critical patent/DE112008002055B4/en
Priority to CN200880102523.XA priority patent/CN101785210B/en
Priority to GB1002392.7A priority patent/GB2465111B/en
Publication of WO2009023532A2 publication Critical patent/WO2009023532A2/en
Publication of WO2009023532A3 publication Critical patent/WO2009023532A3/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
    • H04B7/0617—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
    • 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
    • H04B7/06—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
    • H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode 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
    • H04B7/0621—Feedback content
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • 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
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • 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

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

A base station is capable of unifying a single-user MIMO scheme with a multi-user MIMO scheme by receiving a Rank-1 CQI values from one or more subscriber stations. The base station also receives precoding vectors from the subscriber stations, and then determines which of the subscriber stations has a best Rank-1 CQI value. The base station then determines a beam forming matrix to use based at least in part on the vectors received from the subscriber station having the best Rank-1 CQI value. The base station then broadcasts data to the subscriber station using the beam forming matrix corresponding to the subscriber station having the best Rank-1 channel quality indicator to implement single-user MIMO in one or multiple streams to that subscriber station, or to the subscriber stations having the best Rank-2 channel quality indicators to implement multi-user MIMO in multiple streams.
PCT/US2008/072511 2007-08-10 2008-08-07 Channel aware multiple user mimo scheme unified with single user closed loop mimo WO2009023532A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE112008002055.8T DE112008002055B4 (en) 2007-08-10 2008-08-07 Channel-aware multi-user MIMO scheme unified with single-user closed-loop MIMO
CN200880102523.XA CN101785210B (en) 2007-08-10 2008-08-07 Channel aware multiple user MIMO scheme unified with single user closed loop MIMO
GB1002392.7A GB2465111B (en) 2007-08-10 2008-08-07 Channel aware multiple user mimo scheme unified with single user closed loop mimo

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US95515507P 2007-08-10 2007-08-10
US60/955,155 2007-08-10
US12/183,371 US7716909B2 (en) 2008-07-31 2008-07-31 Apparatus and method for picking up berries
US12/183,371 2008-07-31

Publications (2)

Publication Number Publication Date
WO2009023532A2 WO2009023532A2 (en) 2009-02-19
WO2009023532A3 true WO2009023532A3 (en) 2009-04-16

Family

ID=40351416

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2008/072511 WO2009023532A2 (en) 2007-08-10 2008-08-07 Channel aware multiple user mimo scheme unified with single user closed loop mimo

Country Status (4)

Country Link
CN (1) CN101785210B (en)
DE (1) DE112008002055B4 (en)
GB (1) GB2465111B (en)
WO (1) WO2009023532A2 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7907677B2 (en) 2007-08-10 2011-03-15 Intel Corporation Open loop MU-MIMO
CN101848068B (en) * 2009-03-24 2014-07-16 中兴通讯股份有限公司 Intermediate code allocation method and device based on multi-user multiple input multiple output technology
US9184511B2 (en) * 2009-07-10 2015-11-10 Futurewei Technologies, Inc. System and method for downlink channel sounding in wireless communications systems
CN102035585B (en) * 2009-09-28 2015-03-11 华为技术有限公司 Pre-coding method, communication device and relay device in cooperative relay system
WO2011038530A1 (en) * 2009-09-29 2011-04-07 France Telecom Research & Development Beijing Company Limited Method of precoding symbols for transmission, method of sending a quality value associated with a precoding vector and corresponding devices
US8547918B2 (en) * 2009-11-17 2013-10-01 Qualcomm Incorporated Multiple-user multiple-input and multiple-output for high-speed packet access systems
WO2012022010A1 (en) 2010-08-19 2012-02-23 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for transport format selection in wireless communication system
ES2555534T3 (en) 2010-08-26 2016-01-04 Huawei Technologies Co., Ltd. Precoding method and system
US20150110013A1 (en) * 2012-03-29 2015-04-23 Nec (China) Co., Ltd. Method and apparatus for link adaptation in precoded mimo systems
US9935699B2 (en) 2012-06-22 2018-04-03 Samsung Electronics Co., Ltd. Communication method and apparatus using beamforming in a wireless communication system
CN103812603A (en) * 2012-11-12 2014-05-21 华为技术有限公司 SUMIMO/MUMIMO dynamic switching feedback method and device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006099349A1 (en) * 2005-03-10 2006-09-21 Qualcomm Incorporated Systems and methods for beamforming and rate control in a multi-input multi-output communication systems
WO2006130866A2 (en) * 2005-06-01 2006-12-07 Qualcomm Incorporated Cqi and rank prediction for list sphere decoding and ml mimo receivers
KR20070046755A (en) * 2005-10-31 2007-05-03 삼성전자주식회사 Method and system for transmitting data in communication system
US20070183380A1 (en) * 2006-02-09 2007-08-09 Samsung Electronics Co., Ltd. Method and System for Scheduling Users Based on User-Determined Ranks In A MIMO System

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7428269B2 (en) * 2005-06-01 2008-09-23 Qualcomm Incorporated CQI and rank prediction for list sphere decoding and ML MIMO receivers

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006099349A1 (en) * 2005-03-10 2006-09-21 Qualcomm Incorporated Systems and methods for beamforming and rate control in a multi-input multi-output communication systems
WO2006130866A2 (en) * 2005-06-01 2006-12-07 Qualcomm Incorporated Cqi and rank prediction for list sphere decoding and ml mimo receivers
KR20070046755A (en) * 2005-10-31 2007-05-03 삼성전자주식회사 Method and system for transmitting data in communication system
US20070183380A1 (en) * 2006-02-09 2007-08-09 Samsung Electronics Co., Ltd. Method and System for Scheduling Users Based on User-Determined Ranks In A MIMO System

Also Published As

Publication number Publication date
CN101785210B (en) 2013-04-24
GB201002392D0 (en) 2010-03-31
WO2009023532A2 (en) 2009-02-19
DE112008002055B4 (en) 2015-12-17
GB2465111B (en) 2012-06-06
CN101785210A (en) 2010-07-21
DE112008002055T5 (en) 2010-09-16
GB2465111A (en) 2010-05-12

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