AU2001270229A1 - Method and system for combining orthogonal transmit diversity and adaptive arraytechniques in a wireless communications system - Google Patents

Method and system for combining orthogonal transmit diversity and adaptive arraytechniques in a wireless communications system

Info

Publication number
AU2001270229A1
AU2001270229A1 AU2001270229A AU7022901A AU2001270229A1 AU 2001270229 A1 AU2001270229 A1 AU 2001270229A1 AU 2001270229 A AU2001270229 A AU 2001270229A AU 7022901 A AU7022901 A AU 7022901A AU 2001270229 A1 AU2001270229 A1 AU 2001270229A1
Authority
AU
Australia
Prior art keywords
arraytechniques
adaptive
wireless communications
transmit diversity
orthogonal transmit
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.)
Abandoned
Application number
AU2001270229A
Other languages
English (en)
Inventor
Robert M Harrison
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.)
Motorola Solutions Inc
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of AU2001270229A1 publication Critical patent/AU2001270229A1/en
Abandoned 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
AU2001270229A 2000-06-30 2001-06-28 Method and system for combining orthogonal transmit diversity and adaptive arraytechniques in a wireless communications system Abandoned AU2001270229A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09608894 2000-06-30
US09/608,894 US6298082B1 (en) 1998-10-19 2000-06-30 Method and system for combining orthogonal transmit diversity and adaptive array techniques in a wireless communications system
PCT/US2001/020580 WO2002003642A1 (fr) 2000-06-30 2001-06-28 Procede et systeme pour combiner les techniques de diversite de transmission orthogonale et de reseau adaptatif dans un systeme de communication sans fil

Publications (1)

Publication Number Publication Date
AU2001270229A1 true AU2001270229A1 (en) 2002-01-14

Family

ID=24438508

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001270229A Abandoned AU2001270229A1 (en) 2000-06-30 2001-06-28 Method and system for combining orthogonal transmit diversity and adaptive arraytechniques in a wireless communications system

Country Status (6)

Country Link
US (1) US6298082B1 (fr)
EP (1) EP1198939B1 (fr)
CN (1) CN1383660A (fr)
AU (1) AU2001270229A1 (fr)
DE (1) DE60128633T2 (fr)
WO (1) WO2002003642A1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6185258B1 (en) 1997-09-16 2001-02-06 At&T Wireless Services Inc. Transmitter diversity technique for wireless communications
JP3660361B2 (ja) * 1997-10-31 2005-06-15 エイ ティ アンド ティ ワイヤレス サービス インコーポレイテッド 無線機器のための連結された空間符号の簡単な最尤検出
US6188736B1 (en) * 1997-12-23 2001-02-13 At&T Wireless Svcs. Inc. Near-optimal low-complexity decoding of space-time codes for fixed wireless applications
US6459740B1 (en) 1998-09-17 2002-10-01 At&T Wireless Services, Inc. Maximum ratio transmission
US7822140B2 (en) 2003-03-17 2010-10-26 Broadcom Corporation Multi-antenna communication systems utilizing RF-based and baseband signal weighting and combining
US7389096B2 (en) * 2003-04-07 2008-06-17 Bellow Bellows Llc Monitoring system using multi-antenna transceivers
US8014374B2 (en) 2003-04-07 2011-09-06 Bellow Bellows Llc System and method for achieving timing compatibility with multi-antenna wireless data protocols
US7933255B2 (en) * 2003-04-07 2011-04-26 Bellow Bellows Llc Multi-antenna wireless data processing system
US7646744B2 (en) * 2003-04-07 2010-01-12 Shaolin Li Method of operating multi-antenna wireless data processing system
US7512083B2 (en) * 2003-04-07 2009-03-31 Shaolin Li Single chip multi-antenna wireless data processor
JP2005260294A (ja) * 2004-03-09 2005-09-22 Nec Corp 携帯型通信端末の照光装置
WO2006082637A1 (fr) * 2005-02-03 2006-08-10 Fujitsu Limited Systeme et procede de communication sans fil
US9559871B2 (en) * 2006-01-10 2017-01-31 Alcatel-Lucent Usa Inc. Composite channel equalization of a wideband wireless communication system
WO2014205835A1 (fr) * 2013-06-29 2014-12-31 华为技术有限公司 Procédé, dispositif et système de transmission de données

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3911364A (en) * 1974-05-09 1975-10-07 Bell Telephone Labor Inc Cophasing combiner with cochannel signal selector
JPH08195703A (ja) * 1995-01-17 1996-07-30 Toshiba Corp 無線通信装置
US5623485A (en) * 1995-02-21 1997-04-22 Lucent Technologies Inc. Dual mode code division multiple access communication system and method
US5835847A (en) * 1996-04-02 1998-11-10 Qualcomm Incorporated Pilot signal strength control for a low earth orbiting satellite communications system
US5956368A (en) * 1997-08-29 1999-09-21 Telefonaktiebolaget Lm Ericsson Downlink channel handling within a spread spectrum communications system
US5982327A (en) * 1998-01-12 1999-11-09 Motorola, Inc. Adaptive array method, device, base station and subscriber unit
US6067324A (en) * 1998-06-30 2000-05-23 Motorola, Inc. Method and system for transmitting and demodulating a communications signal using an adaptive antenna array in a wireless communication system

Also Published As

Publication number Publication date
EP1198939A4 (fr) 2004-08-18
DE60128633T2 (de) 2007-10-04
EP1198939B1 (fr) 2007-05-30
DE60128633D1 (de) 2007-07-12
EP1198939A1 (fr) 2002-04-24
US6298082B1 (en) 2001-10-02
CN1383660A (zh) 2002-12-04
WO2002003642A1 (fr) 2002-01-10

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