JP4653917B2 - 直交送信ダイバーシティ信号の品質を測定し調整するための方法とシステム - Google Patents

直交送信ダイバーシティ信号の品質を測定し調整するための方法とシステム Download PDF

Info

Publication number
JP4653917B2
JP4653917B2 JP2001520983A JP2001520983A JP4653917B2 JP 4653917 B2 JP4653917 B2 JP 4653917B2 JP 2001520983 A JP2001520983 A JP 2001520983A JP 2001520983 A JP2001520983 A JP 2001520983A JP 4653917 B2 JP4653917 B2 JP 4653917B2
Authority
JP
Japan
Prior art keywords
radio frequency
signal
frequency diversity
signals
diversity
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
JP2001520983A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003508964A5 (enExample
JP2003508964A (ja
Inventor
ロバート メズコ、ウィリアム
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 JP2003508964A publication Critical patent/JP2003508964A/ja
Publication of JP2003508964A5 publication Critical patent/JP2003508964A5/ja
Application granted granted Critical
Publication of JP4653917B2 publication Critical patent/JP4653917B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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)
JP2001520983A 1999-08-31 2000-08-19 直交送信ダイバーシティ信号の品質を測定し調整するための方法とシステム Expired - Lifetime JP4653917B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/387,107 1999-08-31
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
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 (3)

Publication Number Publication Date
JP2003508964A JP2003508964A (ja) 2003-03-04
JP2003508964A5 JP2003508964A5 (enExample) 2007-09-27
JP4653917B2 true JP4653917B2 (ja) 2011-03-16

Family

ID=23528496

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001520983A Expired - Lifetime JP4653917B2 (ja) 1999-08-31 2000-08-19 直交送信ダイバーシティ信号の品質を測定し調整するための方法とシステム

Country Status (6)

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

Families Citing this family (26)

* 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
EP0960487B1 (en) 1997-10-31 2006-03-08 AT&T Wireless Services, Inc. Maximum likelihood detection of concatenated space-time codes for wireless applications with transmitter 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。
ATE356474T1 (de) * 2001-06-27 2007-03-15 Koninkl Philips Electronics Nv Frequenzverschiebungdiversitätsempfänger
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
US6990317B2 (en) 2002-05-28 2006-01-24 Wireless Innovation Interference resistant wireless sensor and control system
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
CN1985403B (zh) 2004-07-06 2012-05-23 艾利森电话股份有限公司 在多个发射路径上对准无线电基站节点的传输定时
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
US9178636B2 (en) 2013-02-22 2015-11-03 Adc Telecommunications, Inc. Universal remote radio head
WO2014130794A1 (en) 2013-02-22 2014-08-28 Adc Telecommunications, Inc. Master reference for base station network interface sourced from distributed antenna system
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
US9596322B2 (en) 2014-06-11 2017-03-14 Commscope Technologies Llc Bitrate efficient transport through distributed antenna systems
US10499269B2 (en) 2015-11-12 2019-12-03 Commscope Technologies Llc Systems and methods for assigning controlled nodes to channel interfaces of a controller

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4395772A (en) * 1981-04-30 1983-07-26 Bell Telephone Laboratories, Incorporated Line protection switch controller
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
EP0755127B1 (en) * 1995-07-19 2003-08-27 Nec Corporation CDMA diversity transmission system
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
FI106669B (fi) * 1997-08-20 2001-03-15 Nokia Networks Oy Lähetysmenetelmä ja radiojärjestelmä
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
EP1214809A4 (en) 2004-08-04
EP1214809A1 (en) 2002-06-19
WO2001017156A1 (en) 2001-03-08
US6327299B1 (en) 2001-12-04
DE60026327D1 (de) 2006-04-27
AU6920200A (en) 2001-03-26
DE60026327T2 (de) 2006-08-10
JP2003508964A (ja) 2003-03-04
EP1214809B1 (en) 2006-03-01

Similar Documents

Publication Publication Date Title
JP4653917B2 (ja) 直交送信ダイバーシティ信号の品質を測定し調整するための方法とシステム
KR100780579B1 (ko) 무선 통신 시스템에서의 진폭 및 위상 추정 방법
US6404759B1 (en) CDMA multi-user receiving apparatus including interference canceller with optimal receiving state
JP3967472B2 (ja) Ｃｄｍａ受信機
US7313167B2 (en) Signal-to-noise ratio estimation of CDMA signals
KR100831136B1 (ko) Ｃｄｍａ 통신 시스템에서 전송 전력을 제어하는 방법 및장치
KR100982143B1 (ko) 송신 다이버시티 시스템
US6493330B1 (en) CDMA cellular radio transmission system
JP4369518B2 (ja) ワイヤレス通信システムで使用する加入者ユニットおよび方法
US6865218B1 (en) Multipath interference reduction for a CDMA system
JP4076202B2 (ja) スペクトラム拡散信号受信機及び受信方法
JP3437524B2 (ja) 無線通信装置および無線通信方法
HK1047832A1 (en) Cdma multiple access interference cancellation using signal estimation
JP3598609B2 (ja) スペクトル拡散通信システムにおける受信装置
US6275521B1 (en) Demodulating apparatus and demodulating method
EP0794627B1 (en) Spread spectrum communication apparatus
CN1839602B (zh) 使用导频符号的信道估计
JP3875998B2 (ja) 通信システム用装置および方法
US20060045170A1 (en) Apparatus and method for canceling interference in a single antenna 1xEV-DV mobile station
JP2002232327A (ja) 受信装置に用いるパス選択方法および回路
EP1065802B1 (en) Transmission power control method and apparatus by measuring the Eb/No of a weighted signals' combination
AU745469B2 (en) Reception method and apparatus in CDMA system
KR20010082264A (ko) 이동 및/또는 고정 송수신 장치사이에서 무선 통신을 수행하는 통신 시스템, 특히 제 3 세대 이동 무선 시스템에서 얼리-레이트 트래킹을 수행하는 레이크 수신기에서 메모리 액세스를 제어하는 방법
JP3429716B2 (ja) Ｍ系列直交変調を用いた無線通信システムにおける復調方法および装置
JP2002359607A (ja) 受信方法、その方法を利用可能な検波回路、およびその方法を利用可能な移動通信端末。

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070810

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20070810

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20100722

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20100727

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20101027

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20101124

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20101220

R150 Certificate of patent or registration of utility model

Ref document number: 4653917

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20131224

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20131224

Year of fee payment: 3

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313111

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20131224

Year of fee payment: 3

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20131224

Year of fee payment: 3

S533 Written request for registration of change of name

Free format text: JAPANESE INTERMEDIATE CODE: R313533

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20131224

Year of fee payment: 3

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

S531 Written request for registration of change of domicile

Free format text: JAPANESE INTERMEDIATE CODE: R313531

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term