GB2465111B - 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

Info

Publication number
GB2465111B
GB2465111B GB1002392.7A GB201002392A GB2465111B GB 2465111 B GB2465111 B GB 2465111B GB 201002392 A GB201002392 A GB 201002392A GB 2465111 B GB2465111 B GB 2465111B
Authority
GB
United Kingdom
Prior art keywords
mimo
closed loop
channel aware
single user
multiple user
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.)
Expired - Fee Related
Application number
GB1002392.7A
Other versions
GB201002392D0 (en
GB2465111A (en
Inventor
Hongming Zheng
Shanshan Zheng
Xiaoyun Wu
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.)
Intel Corp
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
Priority claimed from US12/183,371 external-priority patent/US7716909B2/en
Application filed by Intel Corp filed Critical Intel Corp
Publication of GB201002392D0 publication Critical patent/GB201002392D0/en
Publication of GB2465111A publication Critical patent/GB2465111A/en
Application granted granted Critical
Publication of GB2465111B publication Critical patent/GB2465111B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
GB1002392.7A 2007-08-10 2008-08-07 Channel aware multiple user mimo scheme unified with single user closed loop mimo Expired - Fee Related GB2465111B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US95515507P 2007-08-10 2007-08-10
US12/183,371 US7716909B2 (en) 2008-07-31 2008-07-31 Apparatus and method for picking up berries
PCT/US2008/072511 WO2009023532A2 (en) 2007-08-10 2008-08-07 Channel aware multiple user mimo scheme unified with single user closed loop mimo

Publications (3)

Publication Number Publication Date
GB201002392D0 GB201002392D0 (en) 2010-03-31
GB2465111A GB2465111A (en) 2010-05-12
GB2465111B true GB2465111B (en) 2012-06-06

Family

ID=40351416

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1002392.7A Expired - Fee Related GB2465111B (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
US9241323B2 (en) 2010-08-19 2016-01-19 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for transport format selection in wireless communication system
WO2012024837A1 (en) * 2010-08-26 2012-03-01 Huawei Technologies Co., Ltd. Method and system for precoding
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
DE112008002055B4 (en) 2015-12-17
WO2009023532A3 (en) 2009-04-16
CN101785210A (en) 2010-07-21
GB201002392D0 (en) 2010-03-31
WO2009023532A2 (en) 2009-02-19
GB2465111A (en) 2010-05-12
CN101785210B (en) 2013-04-24
DE112008002055T5 (en) 2010-09-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20170807