DE60026327D1 - Verfahren und system zum messen und zur einstellung der signalqualität bei orthogonaler senddiversität - Google Patents

Verfahren und system zum messen und zur einstellung der signalqualität bei orthogonaler senddiversität

Info

Publication number
DE60026327D1
DE60026327D1 DE60026327T DE60026327T DE60026327D1 DE 60026327 D1 DE60026327 D1 DE 60026327D1 DE 60026327 T DE60026327 T DE 60026327T DE 60026327 T DE60026327 T DE 60026327T DE 60026327 D1 DE60026327 D1 DE 60026327D1
Authority
DE
Germany
Prior art keywords
sendiversity
orthogonal
measuring
adjusting
signal quality
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 - Lifetime
Application number
DE60026327T
Other languages
English (en)
Other versions
DE60026327T2 (de
Inventor
Robert Meszko
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 Mobility LLC
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 DE60026327D1 publication Critical patent/DE60026327D1/de
Application granted granted Critical
Publication of DE60026327T2 publication Critical patent/DE60026327T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04B7/0697—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 spatial multiplexing
    • 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
    • H04B7/0667—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 delayed versions of same signal
    • H04B7/0671—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 delayed versions of same signal using different delays between 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
    • H04B7/0613—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
    • H04B7/0678—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 using different spreading codes between antennas
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Radio Transmission System (AREA)
  • Transmitters (AREA)
DE60026327T 1999-08-31 2000-08-19 Verfahren und system zum messen und zur einstellung der signalqualität bei orthogonaler senddiversität Expired - Lifetime DE60026327T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/387,107 US6327299B1 (en) 1999-08-31 1999-08-31 Method and system for measuring and adjusting the quality of an orthogonal transmit diversity signal in a wireless communications system
US387107 1999-08-31
PCT/US2000/022862 WO2001017156A1 (en) 1999-08-31 2000-08-19 Method and system for measuring and adjusting the quality of an orthogonal transmit diversity signal

Publications (2)

Publication Number Publication Date
DE60026327D1 true DE60026327D1 (de) 2006-04-27
DE60026327T2 DE60026327T2 (de) 2006-08-10

Family

ID=23528496

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60026327T Expired - Lifetime DE60026327T2 (de) 1999-08-31 2000-08-19 Verfahren und system zum messen und zur einstellung der signalqualität bei orthogonaler senddiversität

Country Status (6)

Country Link
US (1) US6327299B1 (de)
EP (1) EP1214809B1 (de)
JP (1) JP4653917B2 (de)
AU (1) AU6920200A (de)
DE (1) DE60026327T2 (de)
WO (1) WO2001017156A1 (de)

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EP1808969B1 (de) * 1997-10-31 2014-01-01 AT & T Mobility II, LLC Maximal-Wahrscheinlichkeitsdetektion von verketteten Raum/Zeit Kodes für schnurlose Anwendungen mit Sender-Diversity
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
US6594473B1 (en) * 1999-05-28 2003-07-15 Texas Instruments Incorporated Wireless system with transmitter having multiple transmit antennas and combining open loop and closed loop transmit diversities
US6721339B2 (en) * 1999-08-17 2004-04-13 Lucent Technologies Inc. Method of providing downlink transmit diversity
JP3402363B2 (ja) * 2000-06-13 2003-05-06 日本電気株式会社 送信ダイバーシチ方式送信機における遅延時間制御方式。
WO2003003613A1 (en) * 2001-06-27 2003-01-09 Koninklijke Philips Electronics N.V. Frequency offset diversity receiver
US7327798B2 (en) * 2001-10-19 2008-02-05 Lg Electronics Inc. Method and apparatus for transmitting/receiving signals in multiple-input multiple-output communication system provided with plurality of antenna elements
US20030108087A1 (en) * 2001-12-06 2003-06-12 Itzhak Shperling Method and base station for providing transmit diversity
US7043273B2 (en) * 2002-01-15 2006-05-09 Telefonaktiebolaget Lm Ericsson (Publ) Diversity branch delay alignment in radio base station
DE10247149A1 (de) 2002-10-09 2004-04-22 Leopold Kostal Gmbh & Co Kg Verfahren zum Übertragen eines Datenprotokolls auf einer HF-Funkstrecke
US7542733B1 (en) * 2003-02-04 2009-06-02 Sprint Spectrum L.P. Method and apparatus for diversity transmission from a mobile station
US8233555B2 (en) * 2004-05-17 2012-07-31 Qualcomm Incorporated Time varying delay diversity of OFDM
US7729727B2 (en) 2004-07-06 2010-06-01 Telefonaktiebolaget Lm Ericson (Publ) Aligning radio base station node transmission timing on multiple transmit paths
US8169886B2 (en) * 2008-11-19 2012-05-01 Harris Corporation Code division multiple access based contingency transmission
CN102045754B (zh) 2009-10-22 2014-04-30 华为技术有限公司 发射机、基站设备和对齐发射机信号的方法
US8472579B2 (en) 2010-07-28 2013-06-25 Adc Telecommunications, Inc. Distributed digital reference clock
US8532242B2 (en) * 2010-10-27 2013-09-10 Adc Telecommunications, Inc. Distributed antenna system with combination of both all digital transport and hybrid digital/analog transport
US8462683B2 (en) 2011-01-12 2013-06-11 Adc Telecommunications, Inc. Distinct transport path for MIMO transmissions in distributed antenna systems
US10020850B2 (en) 2013-02-22 2018-07-10 Commscope Technologies Llc Master reference for base station network interface sourced from distributed antenna system
US9178636B2 (en) 2013-02-22 2015-11-03 Adc Telecommunications, Inc. Universal remote radio head
US9787457B2 (en) 2013-10-07 2017-10-10 Commscope Technologies Llc Systems and methods for integrating asynchronous signals in distributed antenna system with direct digital interface to base station
EP3155731A4 (de) 2014-06-11 2018-02-28 Commscope Technologies LLC Effizienter bitratentransport durch verteilte antennensysteme
US10499269B2 (en) 2015-11-12 2019-12-03 Commscope Technologies Llc Systems and methods for assigning controlled nodes to channel interfaces of a controller

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US5402450A (en) * 1992-01-22 1995-03-28 Trimble Navigation Signal timing synchronizer
US5530449A (en) * 1994-11-18 1996-06-25 Hughes Electronics Phased array antenna management system and calibration method
US5691974A (en) * 1995-01-04 1997-11-25 Qualcomm Incorporated Method and apparatus for using full spectrum transmitted power in a spread spectrum communication system for tracking individual recipient phase, time and energy
US5563610A (en) * 1995-06-08 1996-10-08 Metawave Communications Corporation Narrow beam antenna systems with angular diversity
JP3578839B2 (ja) * 1995-07-18 2004-10-20 三菱電機株式会社 ディジタル受信機
DE69629633T2 (de) * 1995-07-19 2004-06-17 Nec Corp. Vielfaltnachrichtenübertragungssystem mit Kodemultiplexvielfachzugriff
US5825887A (en) * 1995-12-28 1998-10-20 Trimble Navigation Limited Transmitting and receiving apparatus for full code correlation operation under encryption for satellite positioning system
US5689271A (en) * 1996-05-03 1997-11-18 Trimble Navigation Limited Method and apparatus for civilian receiver operation with P(Y) code in satellite positioning system receiver
JPH1013918A (ja) * 1996-06-19 1998-01-16 Toshiba Corp 符号分割多元接続方式を採用した移動通信システムとその無線通信装置
JP2762406B1 (ja) * 1996-12-16 1998-06-04 株式会社ワイ・アール・ピー移動通信基盤技術研究所 直接拡散符号分割通信システム
JPH10336149A (ja) * 1997-05-28 1998-12-18 Matsushita Electric Ind Co Ltd アレーアンテナ無線ｃｄｍａ通信装置
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US6173005B1 (en) * 1997-09-04 2001-01-09 Motorola, Inc. Apparatus and method for transmitting signals in a communication system

Also Published As

Publication number Publication date
EP1214809A1 (de) 2002-06-19
US6327299B1 (en) 2001-12-04
WO2001017156A1 (en) 2001-03-08
EP1214809B1 (de) 2006-03-01
JP2003508964A (ja) 2003-03-04
EP1214809A4 (de) 2004-08-04
AU6920200A (en) 2001-03-26
JP4653917B2 (ja) 2011-03-16
DE60026327T2 (de) 2006-08-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MOTOROLA MOBILITY, INC. ( N.D. GES. D. STAATES, US