DE69734208D1 - Verfahren und einrichtung zur entscheidungsgesteuerten demodulation mittels gruppenantennen und räumlicher verarbeitung - Google Patents

Verfahren und einrichtung zur entscheidungsgesteuerten demodulation mittels gruppenantennen und räumlicher verarbeitung

Info

Publication number
DE69734208D1
DE69734208D1 DE69734208T DE69734208T DE69734208D1 DE 69734208 D1 DE69734208 D1 DE 69734208D1 DE 69734208 T DE69734208 T DE 69734208T DE 69734208 T DE69734208 T DE 69734208T DE 69734208 D1 DE69734208 D1 DE 69734208D1
Authority
DE
Germany
Prior art keywords
decision
spatial processing
demodulation
group antennas
base station
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
DE69734208T
Other languages
English (en)
Other versions
DE69734208T2 (de
Inventor
Craig Barratt
Farhad Farzaneh
M Parish
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
Arraycomm LLC
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 Arraycomm LLC filed Critical Arraycomm LLC
Publication of DE69734208D1 publication Critical patent/DE69734208D1/de
Application granted granted Critical
Publication of DE69734208T2 publication Critical patent/DE69734208T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/003—Correction of carrier offset at baseband only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0046—Open loops
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0083—Signalling arrangements
    • H04L2027/0089—In-band signals
    • H04L2027/0093—Intermittant signals
    • H04L2027/0095—Intermittant signals in a preamble or similar structure
DE69734208T 1996-10-11 1997-10-10 Verfahren und einrichtung zur entscheidungsgesteuerten demodulation mittels gruppenantennen und räumlicher verarbeitung Expired - Lifetime DE69734208T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US729390 1996-10-11
US08/729,390 US5909470A (en) 1996-10-11 1996-10-11 Method and apparatus for decision directed demodulation using antenna arrays and spatial processing
PCT/US1997/018745 WO1998017037A1 (en) 1996-10-11 1997-10-10 Method and apparatus for decision directed demodulation using antenna arrays and spatial processing

Publications (2)

Publication Number Publication Date
DE69734208D1 true DE69734208D1 (de) 2005-10-20
DE69734208T2 DE69734208T2 (de) 2006-06-22

Family

ID=24930817

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69734208T Expired - Lifetime DE69734208T2 (de) 1996-10-11 1997-10-10 Verfahren und einrichtung zur entscheidungsgesteuerten demodulation mittels gruppenantennen und räumlicher verarbeitung

Country Status (10)

Country Link
US (1) US5909470A (de)
EP (1) EP0951770B1 (de)
JP (1) JP4364946B2 (de)
CN (1) CN1290299C (de)
AT (1) ATE304771T1 (de)
AU (1) AU4906697A (de)
BR (1) BR9711898B1 (de)
CA (1) CA2268262A1 (de)
DE (1) DE69734208T2 (de)
WO (1) WO1998017037A1 (de)

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US6963548B1 (en) * 2000-04-17 2005-11-08 The Directv Group, Inc. Coherent synchronization of code division multiple access signals
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DE60133229T2 (de) * 2000-10-05 2009-03-26 Samsung Electronics Co., Ltd., Suwon TSTD Vorrichtung und Verfahren für ein TDD CDMA Mobilkommunikationssystem
US6798853B1 (en) * 2000-11-15 2004-09-28 Telefonaktiebolaget Lm Ericsson (Publ) System and method for compensating for frequency offset
US6768747B1 (en) 2000-11-30 2004-07-27 Arraycomm, Inc. Relative and absolute timing acquisition for a radio communications system
US6801589B1 (en) * 2000-11-30 2004-10-05 Arraycomm, Inc. Relative timing acquisition for a radio communications system
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KR100761420B1 (ko) 2002-10-25 2007-09-27 어레이컴, 엘엘씨 적응성 스마트 안테나 처리 방법 및 장치
JP4323873B2 (ja) * 2003-06-13 2009-09-02 富士通株式会社 入出力インタフェース回路
US20050111427A1 (en) * 2003-11-21 2005-05-26 Qinghua Li SDMA training and operation
US7460839B2 (en) 2004-07-19 2008-12-02 Purewave Networks, Inc. Non-simultaneous frequency diversity in radio communication systems
US7263335B2 (en) * 2004-07-19 2007-08-28 Purewave Networks, Inc. Multi-connection, non-simultaneous frequency diversity in radio communication systems
JP4338624B2 (ja) * 2004-12-07 2009-10-07 三洋電機株式会社 周波数オフセット推定方法およびそれを利用した周波数オフセット補正装置
US7853216B1 (en) * 2005-12-22 2010-12-14 Atheros Communications, Inc. Multi-channel RX/TX calibration and local oscillator mismatch mitigation
CN1960511B (zh) * 2006-09-01 2010-05-26 Ut斯达康(中国)有限公司 在个人便携电话系统中实现半速率业务的空中接口方法
US20100279643A1 (en) * 2008-01-21 2010-11-04 Yasushi Maruta Communication device, communication system, control method, and control program
JP4898897B2 (ja) * 2009-12-22 2012-03-21 インターナショナル・ビジネス・マシーンズ・コーポレーション タイミング相関値を用いた周波数オフセットによるデータのずれの補償
CN102571170B (zh) * 2011-12-23 2014-11-19 北京遥测技术研究所 一种实时校准上行天线组阵链路变化的方法
GB202002985D0 (en) * 2020-03-02 2020-04-15 Institute Of Science And Tech Austria Ist Austria Demodulator, and method of demodulating a signal
CN115242367B (zh) * 2021-04-25 2023-07-25 中国科学院沈阳自动化研究所 面向工业无线信道脉冲响应的数据误差矫正方法
CN114338476B (zh) * 2022-03-15 2022-06-03 北京金橙子科技股份有限公司 基于脉冲编码测量的通信波特率检测和地址分配的方法
CN115277344B (zh) * 2022-06-29 2023-08-18 西北工业大学 一种基于松弛相位约束的鲁棒方向调制安全传输方法

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Also Published As

Publication number Publication date
CN1233367A (zh) 1999-10-27
AU4906697A (en) 1998-05-11
EP0951770A1 (de) 1999-10-27
EP0951770B1 (de) 2005-09-14
WO1998017037A1 (en) 1998-04-23
JP4364946B2 (ja) 2009-11-18
US5909470A (en) 1999-06-01
DE69734208T2 (de) 2006-06-22
JP2001502502A (ja) 2001-02-20
BR9711898B1 (pt) 2011-03-09
BR9711898A (pt) 1999-08-24
EP0951770A4 (de) 2002-04-17
ATE304771T1 (de) 2005-09-15
CA2268262A1 (en) 1998-04-23
CN1290299C (zh) 2006-12-13

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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: INTEL CORPORATION (N.D.GES.D. STAATES DELAWARE, US

8328 Change in the person/name/address of the agent

Representative=s name: EISENFUEHR, SPEISER & PARTNER, 28217 BREMEN

8328 Change in the person/name/address of the agent

Representative=s name: MARKS & CLERK (LUXEMBOURG) LLP, LUXEMBOURG, LU