DE60043180D1 - Afc-Vorrichtung und Verfahren in einem mobilen Kommunikationssystem - Google Patents

Afc-Vorrichtung und Verfahren in einem mobilen Kommunikationssystem

Info

Publication number
DE60043180D1
DE60043180D1 DE60043180T DE60043180T DE60043180D1 DE 60043180 D1 DE60043180 D1 DE 60043180D1 DE 60043180 T DE60043180 T DE 60043180T DE 60043180 T DE60043180 T DE 60043180T DE 60043180 D1 DE60043180 D1 DE 60043180D1
Authority
DE
Germany
Prior art keywords
communication system
mobile communication
afc device
afc
mobile
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
DE60043180T
Other languages
English (en)
Inventor
Masaru Hirata
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE60043180D1 publication Critical patent/DE60043180D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
DE60043180T 1999-12-15 2000-12-12 Afc-Vorrichtung und Verfahren in einem mobilen Kommunikationssystem Expired - Lifetime DE60043180D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP35537599A JP2001177436A (ja) 1999-12-15 1999-12-15 移動通信システムにおけるａｆｃ制御装置及びその方法並びにそれを使用した移動通信機

Publications (1)

Publication Number Publication Date
DE60043180D1 true DE60043180D1 (de) 2009-12-03

Family

ID=18443577

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60043180T Expired - Lifetime DE60043180D1 (de) 1999-12-15 2000-12-12 Afc-Vorrichtung und Verfahren in einem mobilen Kommunikationssystem

Country Status (6)

Country Link
US (1) US6816540B2 (de)
EP (1) EP1109313B1 (de)
JP (1) JP2001177436A (de)
CN (1) CN1201515C (de)
DE (1) DE60043180D1 (de)
HK (1) HK1037818A1 (de)

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US7443826B1 (en) * 2000-10-04 2008-10-28 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for automatic frequency control in a CDMA receiver
JP2002152081A (ja) * 2000-11-07 2002-05-24 Matsushita Electric Ind Co Ltd 受信装置及び受信装置における基準周波数制御方法
JP2002190765A (ja) * 2000-12-20 2002-07-05 Nec Corp 移動端末の周波数制御方式
JP2004080223A (ja) 2002-08-14 2004-03-11 Nec Corp Ａｆｃ装置及びその動作制御方法並びにそれを用いた移動通信装置
US7333573B2 (en) 2002-08-23 2008-02-19 Hitachi Kokusai Electric Inc. Radio communication apparatus and method having automatic frequency control function
JP4154591B2 (ja) * 2003-04-25 2008-09-24 日本電気株式会社 周波数オフセットの検出処理システム及びそれを用いた周波数オフセットの検出処理方法
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FI20040700A0 (fi) * 2004-05-19 2004-05-19 Oulun Ylipisto Signaalin vastaanotto kommunikaatiojärjestelmässä
US7355470B2 (en) 2006-04-24 2008-04-08 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning
US7327803B2 (en) 2004-10-22 2008-02-05 Parkervision, Inc. Systems and methods for vector power amplification
US7725727B2 (en) * 2005-06-01 2010-05-25 International Business Machines Corporation Automatic signature generation for content recognition
US7865158B2 (en) * 2005-07-26 2011-01-04 Interdigital Technology Corporation Method and apparatus for automatically correcting receiver oscillator frequency
US7911272B2 (en) 2007-06-19 2011-03-22 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
US8013675B2 (en) 2007-06-19 2011-09-06 Parkervision, Inc. Combiner-less multiple input single output (MISO) amplification with blended control
US8031804B2 (en) 2006-04-24 2011-10-04 Parkervision, Inc. Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion
US7937106B2 (en) 2006-04-24 2011-05-03 ParkerVision, Inc, Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of same
CN101166184B (zh) * 2006-10-17 2011-03-30 华为技术有限公司 Ntp软件时间硬件测量方法和装置
US7620129B2 (en) * 2007-01-16 2009-11-17 Parkervision, Inc. RF power transmission, modulation, and amplification, including embodiments for generating vector modulation control signals
JP4215168B2 (ja) * 2007-01-19 2009-01-28 日本電波工業株式会社 信号処理部及び無線機
WO2008144017A1 (en) 2007-05-18 2008-11-27 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
WO2009005768A1 (en) 2007-06-28 2009-01-08 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
JP2009065581A (ja) * 2007-09-10 2009-03-26 Nec Corp 無線通信システム及び方法
CN101447800B (zh) * 2007-11-27 2013-01-09 展讯通信（上海）有限公司 提高手机输出频率精度的方法和装置及其手机
US20090239550A1 (en) * 2008-03-18 2009-09-24 Myers Theodore J Random phase multiple access system with location tracking
US7733945B2 (en) * 2008-03-18 2010-06-08 On-Ramp Wireless, Inc. Spread spectrum with doppler optimization
US7773664B2 (en) * 2008-03-18 2010-08-10 On-Ramp Wireless, Inc. Random phase multiple access system with meshing
US8520721B2 (en) 2008-03-18 2013-08-27 On-Ramp Wireless, Inc. RSSI measurement mechanism in the presence of pulsed jammers
US8958460B2 (en) 2008-03-18 2015-02-17 On-Ramp Wireless, Inc. Forward error correction media access control system
US7593452B1 (en) * 2008-03-18 2009-09-22 On-Ramp Wireless, Inc. Despreading spread spectrum data
US8477830B2 (en) 2008-03-18 2013-07-02 On-Ramp Wireless, Inc. Light monitoring system using a random phase multiple access system
WO2009145887A1 (en) 2008-05-27 2009-12-03 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
US7639726B1 (en) * 2009-03-20 2009-12-29 On-Ramp Wireless, Inc. Downlink communication
US8363699B2 (en) 2009-03-20 2013-01-29 On-Ramp Wireless, Inc. Random timing offset determination
US7702290B1 (en) 2009-04-08 2010-04-20 On-Ramp Wirless, Inc. Dynamic energy control
KR20140026458A (ko) 2011-04-08 2014-03-05 파커비전, 인크. Ｒｆ 전력 송신, 변조 및 증폭 시스템들 및 방법들
WO2012144205A1 (ja) 2011-04-19 2012-10-26 パナソニック株式会社 信号生成方法及び信号生成装置
KR20140034895A (ko) 2011-06-02 2014-03-20 파커비전, 인크. 안테나 제어
WO2015042142A1 (en) 2013-09-17 2015-03-26 Parkervision, Inc. Method, apparatus and system for rendering an information bearing function of time

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US5278874A (en) * 1992-09-02 1994-01-11 Motorola, Inc. Phase lock loop frequency correction circuit
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GB2282300B (en) * 1993-09-22 1997-10-22 Northern Telecom Ltd Communications system and receiver devices therefor
CA2151737C (en) * 1993-10-14 1999-09-28 Tomohiro Dohi Correlation detector and communication apparatus
JP3252566B2 (ja) 1993-10-22 2002-02-04 富士通株式会社 スペクトラム拡散通信における自動周波数制御回路及びその受信装置
CA2153516C (en) * 1994-07-20 1999-06-01 Yasuo Ohgoshi Mobile station for cdma mobile communication system and detection method of the same
EP0750408B1 (de) * 1995-01-05 2005-06-15 NTT DoCoMo, Inc. Vorrichtung und verfahren zur kohärenten verfolgung eines signals zur verwendung in einem cdma empfänger
JP2705613B2 (ja) * 1995-01-31 1998-01-28 日本電気株式会社 周波数オフセット補正装置
JP3193613B2 (ja) 1996-01-12 2001-07-30 株式会社日立国際電気 相関ピーク検出型周波数誤差検出回路
JP3611665B2 (ja) 1996-04-30 2005-01-19 松下電器産業株式会社 Ａｆｃ回路
JPH09321667A (ja) * 1996-05-29 1997-12-12 Yozan:Kk Ｃｄｍａ通信システム用受信機
JPH09331307A (ja) * 1996-06-13 1997-12-22 Hitachi Ltd スペクトル拡散復調装置
JP2865086B2 (ja) * 1996-11-28 1999-03-08 日本電気株式会社 移動通信端末
JPH10210095A (ja) 1997-01-28 1998-08-07 Toshiba Corp 周波数誤差補正方法及び無線通信装置
JPH10224420A (ja) 1997-02-05 1998-08-21 Toshiba Corp デジタル復調装置のａｆｃ回路
US6005889A (en) * 1997-07-17 1999-12-21 Nokia Pseudo-random noise detector for signals having a carrier frequency offset

Also Published As

Publication number Publication date
CN1201515C (zh) 2005-05-11
EP1109313B1 (de) 2009-10-21
EP1109313A2 (de) 2001-06-20
CN1305281A (zh) 2001-07-25
US20010004373A1 (en) 2001-06-21
US6816540B2 (en) 2004-11-09
HK1037818A1 (en) 2002-02-15
JP2001177436A (ja) 2001-06-29
EP1109313A3 (de) 2003-10-15

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