DE69533887D1 - Spreizspektrumempfangsgerät - Google Patents

Spreizspektrumempfangsgerät

Info

Publication number
DE69533887D1
DE69533887D1 DE69533887T DE69533887T DE69533887D1 DE 69533887 D1 DE69533887 D1 DE 69533887D1 DE 69533887 T DE69533887 T DE 69533887T DE 69533887 T DE69533887 T DE 69533887T DE 69533887 D1 DE69533887 D1 DE 69533887D1
Authority
DE
Germany
Prior art keywords
spreizspektrumempfangsgerät
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
DE69533887T
Other languages
English (en)
Other versions
DE69533887T2 (de
Inventor
Norihiro Mochizuki
Katsuo Saito
Akira Torisawa
Toshihiko Myojo
Ichiro Kato
Tetsuo Kanda
Atsushi Takasaki
Kazuo Moritomo
Rie Suzuki
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Publication of DE69533887D1 publication Critical patent/DE69533887D1/de
Application granted granted Critical
Publication of DE69533887T2 publication Critical patent/DE69533887T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
DE1995633887 1994-10-21 1995-10-20 Spreizspektrumempfangsgerät Expired - Lifetime DE69533887T2 (de)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP25671394 1994-10-21
JP25671494 1994-10-21
JP25671394 1994-10-21
JP25671594 1994-10-21
JP25671594 1994-10-21
JP25671494 1994-10-21
JP22051595A JP3581448B2 (ja) 1994-10-21 1995-08-29 スペクトラム拡散通信装置
JP22051595 1995-08-29

Publications (2)

Publication Number Publication Date
DE69533887D1 true DE69533887D1 (de) 2005-02-03
DE69533887T2 DE69533887T2 (de) 2005-12-15

Family

ID=27476965

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1995633887 Expired - Lifetime DE69533887T2 (de) 1994-10-21 1995-10-20 Spreizspektrumempfangsgerät

Country Status (4)

Country Link
US (2) US5856997A (de)
EP (1) EP0708534B1 (de)
JP (1) JP3581448B2 (de)
DE (1) DE69533887T2 (de)

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US5737326A (en) * 1996-07-12 1998-04-07 Lucent Technologies Inc. Multi-code code division multiple access receiver
US7035232B1 (en) 1996-12-03 2006-04-25 Canon Kabushiki Kaisha Spread-spectrum communication method and apparatus
JP3305217B2 (ja) * 1996-12-03 2002-07-22 キヤノン株式会社 通信方法
KR100450966B1 (ko) * 1997-11-17 2005-01-17 삼성전자주식회사 멀티코드 방식의 cdma 시스템에서의 데이터 복조기
US6018547A (en) * 1998-01-09 2000-01-25 Bsd Broadband, N.V. Method and apparatus for increasing spectral efficiency of CDMA systems using direct sequence spread spectrum signals
US6061551A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for down-converting electromagnetic signals
US7515896B1 (en) 1998-10-21 2009-04-07 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships
KR100532328B1 (ko) * 1998-08-29 2006-03-23 삼성전자주식회사 부호분할다중접속통신시스템의피.엔시퀀스식별장치
US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
US7039372B1 (en) 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
US6370371B1 (en) 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
FR2787951B1 (fr) * 1998-12-23 2007-01-12 Commissariat Energie Atomique Procede de reception de signaux a etalement de spectre avec correction de decalage en frequence, et recepteur correspondant
US6879817B1 (en) 1999-04-16 2005-04-12 Parkervision, Inc. DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
US6853690B1 (en) 1999-04-16 2005-02-08 Parkervision, Inc. Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments
US7110435B1 (en) * 1999-03-15 2006-09-19 Parkervision, Inc. Spread spectrum applications of universal frequency translation
US7693230B2 (en) 1999-04-16 2010-04-06 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
US7110444B1 (en) 1999-08-04 2006-09-19 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations
US7065162B1 (en) 1999-04-16 2006-06-20 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same
FR2797122B1 (fr) * 1999-07-30 2006-08-04 Commissariat Energie Atomique Procede de transmission de donnees utilisant des jeux repetitifs de sequences d'etalement, emetteur et recepteur correspondants
US8295406B1 (en) 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
FI111579B (fi) * 1999-10-13 2003-08-15 U Nav Microelectronics Corp Hajaspektrivastaanotin
US6963734B2 (en) * 1999-12-22 2005-11-08 Parkervision, Inc. Differential frequency down-conversion using techniques of universal frequency translation technology
JP2001284996A (ja) * 2000-03-31 2001-10-12 Matsushita Electric Ind Co Ltd ゲイン制御装置
US7010286B2 (en) 2000-04-14 2006-03-07 Parkervision, Inc. Apparatus, system, and method for down-converting and up-converting electromagnetic signals
EP1296474A4 (de) 2000-06-15 2005-01-26 Sanyo Electric Co Empfangsvorrichtung und empfangsverfahren
CA2363253C (en) * 2000-11-07 2007-01-09 Research In Motion Limited Communication channel detector and channel detection method
US7454453B2 (en) 2000-11-14 2008-11-18 Parkervision, Inc. Methods, systems, and computer program products for parallel correlation and applications thereof
EP1213338B1 (de) 2000-11-16 2003-07-23 Consortium für elektrochemische Industrie GmbH Verfahren zur Herstellung von Plättchen
CA2363927C (en) * 2000-11-28 2004-07-06 Research In Motion Limited Synchronization signal detector and method
US7327809B2 (en) * 2001-06-08 2008-02-05 Broadcom Corporation Channel equalization with SCDMA modulation
US7072427B2 (en) 2001-11-09 2006-07-04 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
US7013117B2 (en) * 2002-03-25 2006-03-14 Broadcom Corporation Analog power detection for gain control operations
US7460584B2 (en) 2002-07-18 2008-12-02 Parkervision, Inc. Networking methods and systems
US7379883B2 (en) 2002-07-18 2008-05-27 Parkervision, Inc. Networking methods and systems
DE60238833D1 (de) * 2002-08-02 2011-02-17 St Microelectronics Srl Integrierte Schaltung für Kodeerfassung
DE60220046T2 (de) * 2002-08-02 2008-01-10 Stmicroelectronics Ltd., Almondsbury Integrierter Schaltkreis zur GPS Kodeerfassung
EP1387498A1 (de) * 2002-08-02 2004-02-04 STMicroelectronics Limited Integrierter Schaltkreis für Kodeerfassung
JP3917637B2 (ja) * 2003-02-05 2007-05-23 日本電信電話株式会社 無線通信システム、無線送信機、無線受信機および無線通信方法
JP4245038B2 (ja) 2006-11-02 2009-03-25 ソニー株式会社 Ｐｌｌ回路、位相制御方法、および、ｉｃチップ
US9143190B2 (en) * 2013-03-11 2015-09-22 Freescale Semiconductor,Inc System and method for demodulating an incoming signal
GB2521446A (en) * 2013-12-20 2015-06-24 Nordic Semiconductor Asa Digital processing
AU2015221710A1 (en) * 2014-02-28 2016-08-11 Nec Corporation Wireless transmission device, wireless reception device, wireless communication system, and wireless communication method
US10163192B2 (en) 2015-10-27 2018-12-25 Canon Kabushiki Kaisha Image encoding apparatus and method of controlling the same
US10356408B2 (en) 2015-11-27 2019-07-16 Canon Kabushiki Kaisha Image encoding apparatus and method of controlling the same

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US4599732A (en) * 1984-04-17 1986-07-08 Harris Corporation Technique for acquiring timing and frequency synchronization for modem utilizing known (non-data) symbols as part of their normal transmitted data format
JPS6481538A (en) 1987-09-24 1989-03-27 Nec Corp Digital spread spectrum signal demodulator
GB2210739A (en) * 1987-10-06 1989-06-14 Honeywell Control Syst Spread spectrum receiver
US4873683A (en) * 1987-12-04 1989-10-10 Motorola, Inc. TDMA radio system employing BPSK synchronization for QPSK signals subject to random phase variation and multipath fading
JPH0456543A (ja) * 1990-06-26 1992-02-24 Clarion Co Ltd スペクトラム拡散受信機
US5245611A (en) * 1991-05-31 1993-09-14 Motorola, Inc. Method and apparatus for providing carrier frequency offset compensation in a tdma communication system
US5311545A (en) * 1991-06-17 1994-05-10 Hughes Aircraft Company Modem for fading digital channels affected by multipath
JP3144025B2 (ja) 1992-03-05 2001-03-07 松下電器産業株式会社 スペクトラム拡散通信受信装置
US5309482A (en) * 1992-03-30 1994-05-03 Novatel Communications Ltd. Receiver having an adjustable matched filter
JPH05292133A (ja) 1992-04-14 1993-11-05 Japan Radio Co Ltd ディジタル復調回路
JPH0697911A (ja) 1992-09-16 1994-04-08 Matsushita Electric Ind Co Ltd 同期捕捉装置
JP3128997B2 (ja) 1992-10-09 2001-01-29 ソニー株式会社 受信装置及びマルチパス信号の選択方法
JP3212390B2 (ja) * 1992-11-17 2001-09-25 クラリオン株式会社 スライディング相関器
US5311544A (en) * 1992-11-19 1994-05-10 Samsung Electronics Co., Ltd. Receiver of a direct sequence spread spectrum system
US5596599A (en) * 1992-12-04 1997-01-21 Canon Kabushiki Kaisha Spread spectrum receiving apparatus
KR960011125B1 (ko) * 1993-01-30 1996-08-20 삼성전자 주식회사 시분할 다중 통신 채널용 디지탈 복조 회로
JP3280141B2 (ja) 1993-04-30 2002-04-30 キヤノン株式会社 スペクトラム拡散受信装置
JPH06334627A (ja) 1993-05-21 1994-12-02 Tokyo Electric Co Ltd スペクトル拡散受信機
JP2689890B2 (ja) * 1993-12-30 1997-12-10 日本電気株式会社 スペクトラム拡散受信機
US5577066A (en) * 1994-05-13 1996-11-19 Stanford Telecommunications, Inc. Charge-coupled-device based data-in-voice modem
US5623511A (en) * 1994-08-30 1997-04-22 Lucent Technologies Inc. Spread spectrum code pulse position modulated receiver having delay spread compensation
US6128331A (en) * 1994-11-07 2000-10-03 Cisco Systems, Inc. Correlation system for use in wireless direct sequence spread spectrum systems
US5875218A (en) * 1995-03-31 1999-02-23 Unisys Corporation Variable rate clock for timing recovery and method therefor
US5627855A (en) * 1995-05-25 1997-05-06 Golden Bridge Technology, Inc. Programmable two-part matched filter for spread spectrum

Also Published As

Publication number Publication date
JP3581448B2 (ja) 2004-10-27
JPH08172417A (ja) 1996-07-02
EP0708534B1 (de) 2004-12-29
DE69533887T2 (de) 2005-12-15
EP0708534A2 (de) 1996-04-24
US6459721B1 (en) 2002-10-01
EP0708534A3 (de) 2000-05-24
US5856997A (en) 1999-01-05

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