EP1929654A4 - Verfahren zum auswählen von antennen und strahlen in drahtlosen mimo-lans - Google Patents

Verfahren zum auswählen von antennen und strahlen in drahtlosen mimo-lans

Info

Publication number
EP1929654A4
EP1929654A4 EP05852027A EP05852027A EP1929654A4 EP 1929654 A4 EP1929654 A4 EP 1929654A4 EP 05852027 A EP05852027 A EP 05852027A EP 05852027 A EP05852027 A EP 05852027A EP 1929654 A4 EP1929654 A4 EP 1929654A4
Authority
EP
European Patent Office
Prior art keywords
beams
wireless lans
mimo wireless
selecting antennas
antennas
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.)
Withdrawn
Application number
EP05852027A
Other languages
English (en)
French (fr)
Other versions
EP1929654A1 (de
Inventor
Daqing Gu
Hongyuan Zhang
Jinyun Zhang
Andreas F Molisch
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.)
Mitsubishi Electric Research Laboratories Inc
Original Assignee
Mitsubishi Electric Research Laboratories 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
Priority claimed from PCT/US2005/035012 external-priority patent/WO2007040515A2/en
Application filed by Mitsubishi Electric Research Laboratories Inc filed Critical Mitsubishi Electric Research Laboratories Inc
Publication of EP1929654A1 publication Critical patent/EP1929654A1/de
Publication of EP1929654A4 publication Critical patent/EP1929654A4/de
Withdrawn legal-status Critical Current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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/0874—Hybrid systems, i.e. switching and combining using subgroups of receive antennas
    • 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
    • H04B7/0602—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 antenna switching
    • H04B7/0608—Antenna selection according to transmission parameters
    • 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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas
    • 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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03343—Arrangements at the transmitter end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03777—Arrangements for removing intersymbol interference characterised by the signalling
    • H04L2025/03802—Signalling on the reverse channel
    • H04L2025/03808—Transmission of equaliser coefficients
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
EP05852027A 2005-09-30 2005-11-21 Verfahren zum auswählen von antennen und strahlen in drahtlosen mimo-lans Withdrawn EP1929654A4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
PCT/US2005/035012 WO2007040515A2 (en) 2005-09-30 2005-09-30 Training signals for selecting antennas and beams in mimo wireless lans
PCT/US2005/039651 WO2007040554A2 (en) 2005-09-30 2005-11-03 Method for selecting antennas and beams in mimo wireless lans
PCT/US2005/042358 WO2007040564A1 (en) 2005-09-30 2005-11-21 Method for selecting antennas and beams in mimo wireless lans

Publications (2)

Publication Number Publication Date
EP1929654A1 EP1929654A1 (de) 2008-06-11
EP1929654A4 true EP1929654A4 (de) 2010-06-23

Family

ID=37906465

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05852027A Withdrawn EP1929654A4 (de) 2005-09-30 2005-11-21 Verfahren zum auswählen von antennen und strahlen in drahtlosen mimo-lans

Country Status (2)

Country Link
EP (1) EP1929654A4 (de)
WO (1) WO2007040564A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7917107B2 (en) 2006-03-23 2011-03-29 Mitsubishi Electric Research Laboratories, Inc. Antenna selection with RF imbalance
US7756099B2 (en) 2007-07-13 2010-07-13 Mitsubishi Electric Research Laboratories, Inc. Method and system for selecting antennas adaptively in OFDMA networks
US8086272B2 (en) * 2007-08-06 2011-12-27 Mitsubishi Electric Research Laboratories, Inc. Wireless networks incorporating antenna selection based on received sounding reference signals
JP5639470B2 (ja) 2007-08-31 2014-12-10 コーニンクレッカ フィリップス エヌ ヴェ 改善されたマルチユーザ伝送
US8176378B2 (en) * 2007-09-07 2012-05-08 Broadcom Corporation Method and system for a transmitting antenna selection failure recovery mode
US7924803B2 (en) * 2007-11-09 2011-04-12 Mitsubishi Electric Research Labs, Inc. Antenna selection for mobile stations in OFDMA networks
US8498362B2 (en) 2008-02-01 2013-07-30 Marvell World Trade Ltd. Channel sounding and estimation strategies for antenna selection in MIMO systems
US9749022B2 (en) 2008-02-01 2017-08-29 Marvell World Trade Ltd. Channel sounding and estimation strategies in MIMO systems
JP5202092B2 (ja) * 2008-05-09 2013-06-05 キヤノン株式会社 通信装置及び制御方法
EP2342877B1 (de) 2008-08-26 2013-03-27 Marvell World Trade Ltd. Dateneinheitsformat der bitübertragungsschicht
EP2415182B1 (de) * 2009-03-31 2018-11-28 Marvell World Trade Ltd. Verfahren und vorrichtung mit lotungs- und steuerprotokolle zur drahtlose kommunikation
DK2782264T3 (en) 2009-11-13 2019-01-14 Interdigital Patent Holdings Inc METHOD AND APPARATUS FOR SUPPORTING HANDLING OPERATIONS AT A VERY HIGH CONTROL IN WIRELESS COMMUNICATION.

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005034387A2 (en) * 2003-10-01 2005-04-14 Broadcom Corporation System and method for antenna selection

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004040690A2 (en) * 2002-10-29 2004-05-13 Nokia Corporation Low complexity beamformers for multiple transmit and receive antennas
KR100651447B1 (ko) * 2004-04-14 2006-11-29 삼성전자주식회사 복수의 안테나들을 사용하는 셀룰러 이동통신 시스템에서의 안테나 재 선택 시스템 및 방법
WO2007069071A2 (en) * 2005-01-14 2007-06-21 Piping Hot Networks Limited Dual payload and adaptive modulation

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005034387A2 (en) * 2003-10-01 2005-04-14 Broadcom Corporation System and method for antenna selection

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"Draft Amendment to IEEE Standard for Local and metropolitan area networks", INTERNET CITATION, 13 September 2005 (2005-09-13), XP002556945 *
See also references of WO2007040564A1 *

Also Published As

Publication number Publication date
EP1929654A1 (de) 2008-06-11
WO2007040564A1 (en) 2007-04-12

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