HK1041136A1 - Portable radio system and portable radio equipmentto be used in the same and frequency error predic tion method used therefor - Google Patents

Portable radio system and portable radio equipmentto be used in the same and frequency error predic tion method used therefor

Info

Publication number
HK1041136A1
HK1041136A1 HK02102863A HK02102863A HK1041136A1 HK 1041136 A1 HK1041136 A1 HK 1041136A1 HK 02102863 A HK02102863 A HK 02102863A HK 02102863 A HK02102863 A HK 02102863A HK 1041136 A1 HK1041136 A1 HK 1041136A1
Authority
HK
Hong Kong
Prior art keywords
portable radio
equipmentto
same
frequency error
tion method
Prior art date
Application number
HK02102863A
Other languages
English (en)
Inventor
Mariko Matsumoto
Shigeru Ono
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 HK1041136A1 publication Critical patent/HK1041136A1/xx

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
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
HK02102863A 2000-04-19 2002-04-16 Portable radio system and portable radio equipmentto be used in the same and frequency error predic tion method used therefor HK1041136A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000117369A JP3598938B2 (ja) 2000-04-19 2000-04-19 携帯無線システム及びそれに用いる携帯無線装置並びにそれらに用いる周波数誤差推定方法

Publications (1)

Publication Number Publication Date
HK1041136A1 true HK1041136A1 (en) 2002-06-28

Family

ID=18628691

Family Applications (1)

Application Number Title Priority Date Filing Date
HK02102863A HK1041136A1 (en) 2000-04-19 2002-04-16 Portable radio system and portable radio equipmentto be used in the same and frequency error predic tion method used therefor

Country Status (6)

Country Link
US (1) US6891908B2 (xx)
EP (1) EP1148642B1 (xx)
JP (1) JP3598938B2 (xx)
CN (1) CN1231026C (xx)
DE (1) DE60127020T2 (xx)
HK (1) HK1041136A1 (xx)

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WO2003049391A1 (en) * 2001-12-05 2003-06-12 Nokia Corporation Frequency offset correction based on the presence or absence of a received signal
US6861900B2 (en) * 2001-12-27 2005-03-01 Proxim Corporation Fast timing acquisition for multiple radio terminals
EP1414164A1 (en) * 2002-10-25 2004-04-28 Alcatel Method for cross-talk cancellation
CN1327731C (zh) * 2003-04-22 2007-07-18 联发科技股份有限公司 无线通讯系统中对应多个基站的自动频率控制系统
KR101100128B1 (ko) 2003-07-02 2011-12-29 에스티 에릭슨 에스에이 반송 주파수와 동기화 방법, 기준 주파수 발진기를 갖는이동국 및 마이크로프로세서
JP4457867B2 (ja) * 2004-11-25 2010-04-28 富士通株式会社 無線通信装置、移動局
US20060200510A1 (en) * 2005-01-31 2006-09-07 Wang Cindy C Precision cordic processor
US7839923B2 (en) * 2005-06-22 2010-11-23 Marvell World Trade Ltd. Method and system for equalizing received signals in communications systems
JP4987269B2 (ja) 2005-08-22 2012-07-25 東芝機械株式会社 速度検出装置およびサーボモータ
CN101479936B (zh) * 2006-05-04 2013-03-27 意法爱立信有限公司 具有用于软切换操作的afc功能的接收机
JP4455541B2 (ja) * 2006-06-19 2010-04-21 株式会社エヌ・ティ・ティ・ドコモ 移動局装置および基地局装置並びに上りリンクのユーザ間同期方法
US7941403B2 (en) * 2006-11-30 2011-05-10 Hewlett-Packard Development Company, L.P. Embedded file system recovery techniques
JP2009281883A (ja) * 2008-05-22 2009-12-03 Toshiba Mach Co Ltd 速度検出装置およびサーボモータ
JP2011103603A (ja) * 2009-11-11 2011-05-26 Sony Corp 無線送信装置、無線受信装置、無線通信システム及び無線通信方法
CN102136850B (zh) * 2010-01-27 2014-04-30 中兴通讯股份有限公司 一种实现自动频率控制的方法和装置
CN102651673B (zh) * 2012-05-03 2014-07-23 海能达通信股份有限公司 一种终端及终端的频率校准方法
CN113169660B (zh) * 2019-07-04 2024-03-08 东芝三菱电机产业系统株式会社 同步控制电路及具备同步控制电路的不间断电源装置
CN113132027B (zh) * 2019-12-30 2023-02-10 江西联智集成电路有限公司 无线电发射器的工作频率校正方法及其装置
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Also Published As

Publication number Publication date
EP1148642B1 (en) 2007-03-07
CN1231026C (zh) 2005-12-07
DE60127020T2 (de) 2007-11-08
US20010053192A1 (en) 2001-12-20
DE60127020D1 (de) 2007-04-19
JP2001308943A (ja) 2001-11-02
US6891908B2 (en) 2005-05-10
EP1148642A3 (en) 2003-11-05
CN1318932A (zh) 2001-10-24
JP3598938B2 (ja) 2004-12-08
EP1148642A2 (en) 2001-10-24

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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: 20110419