HK1037818A1 - Automatic frequency control apparatus and method in mobile communication system. - Google Patents

Automatic frequency control apparatus and method in mobile communication system.

Info

Publication number
HK1037818A1
HK1037818A1 HK01108374A HK01108374A HK1037818A1 HK 1037818 A1 HK1037818 A1 HK 1037818A1 HK 01108374 A HK01108374 A HK 01108374A HK 01108374 A HK01108374 A HK 01108374A HK 1037818 A1 HK1037818 A1 HK 1037818A1
Authority
HK
Hong Kong
Prior art keywords
communication system
mobile communication
control apparatus
frequency control
automatic frequency
Prior art date
Application number
HK01108374A
Other languages
English (en)
Inventor
Masaru Hirata
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
Publication of HK1037818A1 publication Critical patent/HK1037818A1/xx

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03JTUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02Automatic frequency control
HK01108374A 1999-12-15 2001-11-28 Automatic frequency control apparatus and method in mobile communication system. HK1037818A1 (en)

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
HK1037818A1 true HK1037818A1 (en) 2002-02-15

Family

ID=18443577

Family Applications (1)

Application Number Title Priority Date Filing Date
HK01108374A HK1037818A1 (en) 1999-12-15 2001-11-28 Automatic frequency control apparatus and method in mobile communication system.

Country Status (6)

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

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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
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US7725727B2 (en) * 2005-06-01 2010-05-25 International Business Machines Corporation Automatic signature generation for content recognition
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US20130078934A1 (en) 2011-04-08 2013-03-28 Gregory Rawlins Systems and Methods of RF Power Transmission, Modulation, and Amplification
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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
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
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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
US8958460B2 (en) 2008-03-18 2015-02-17 On-Ramp Wireless, Inc. Forward error correction media access control system
US7733945B2 (en) * 2008-03-18 2010-06-08 On-Ramp Wireless, Inc. Spread spectrum with doppler optimization
US20090239550A1 (en) * 2008-03-18 2009-09-24 Myers Theodore J Random phase multiple access system with location tracking
US8520721B2 (en) 2008-03-18 2013-08-27 On-Ramp Wireless, Inc. RSSI measurement mechanism in the presence of pulsed jammers
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US8477830B2 (en) 2008-03-18 2013-07-02 On-Ramp Wireless, Inc. Light monitoring system using a random phase multiple access system
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US7639726B1 (en) 2009-03-20 2009-12-29 On-Ramp Wireless, Inc. Downlink communication
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Also Published As

Publication number Publication date
EP1109313A3 (en) 2003-10-15
EP1109313A2 (en) 2001-06-20
JP2001177436A (ja) 2001-06-29
DE60043180D1 (de) 2009-12-03
EP1109313B1 (en) 2009-10-21
US20010004373A1 (en) 2001-06-21
US6816540B2 (en) 2004-11-09
CN1305281A (zh) 2001-07-25
CN1201515C (zh) 2005-05-11

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20131214