TW200307393A - Wireless communication device and microcomputer - Google Patents

Wireless communication device and microcomputer Download PDF

Info

Publication number
TW200307393A
TW200307393A TW92108705A TW92108705A TW200307393A TW 200307393 A TW200307393 A TW 200307393A TW 92108705 A TW92108705 A TW 92108705A TW 92108705 A TW92108705 A TW 92108705A TW 200307393 A TW200307393 A TW 200307393A
Authority
TW
Taiwan
Prior art keywords
clock signal
clock
wireless communication
communication device
signal
Prior art date
Application number
TW92108705A
Other languages
English (en)
Chinese (zh)
Inventor
Koji Kojima
Atsushi Kiuchi
Yuichi Takijiyo
Katsumi Yamamoto
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of TW200307393A publication Critical patent/TW200307393A/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • H04W52/0287—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level changing the clock frequency of a controller in the equipment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
    • H04M1/72412—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories using two-way short-range wireless interfaces
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transceivers (AREA)
  • Small-Scale Networks (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • Telephone Function (AREA)
TW92108705A 2002-04-26 2003-04-15 Wireless communication device and microcomputer TW200307393A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002125685A JP4030792B2 (ja) 2002-04-26 2002-04-26 無線通信装置及びマイクロコンピュータ

Publications (1)

Publication Number Publication Date
TW200307393A true TW200307393A (en) 2003-12-01

Family

ID=29540331

Family Applications (1)

Application Number Title Priority Date Filing Date
TW92108705A TW200307393A (en) 2002-04-26 2003-04-15 Wireless communication device and microcomputer

Country Status (3)

Country Link
US (1) US7212786B2 (enExample)
JP (1) JP4030792B2 (enExample)
TW (1) TW200307393A (enExample)

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US8385985B2 (en) * 2003-11-25 2013-02-26 Qualcomm Incorporated Method for reducing power consumption in a multi-mode device
JP4266165B2 (ja) * 2003-12-19 2009-05-20 株式会社東芝 通信装置および通信制御プログラム
US7653017B2 (en) * 2004-01-30 2010-01-26 Stmicroelectronics N.V. Bluetooth sniff mode power saving
DE102004009695A1 (de) * 2004-02-27 2005-09-29 Advanced Micro Devices, Inc., Sunnyvale Effizienter Stromsparmodus für WLAN-Kommunikationssysteme
US7181188B2 (en) * 2004-03-23 2007-02-20 Freescale Semiconductor, Inc. Method and apparatus for entering a low power mode
JP4277084B2 (ja) 2004-04-09 2009-06-10 Ｏｋｉセミコンダクタ株式会社 ローカルタイマ装置
US7248848B2 (en) * 2004-06-30 2007-07-24 Matthews Phillip M Communication apparatus including dual timer units
US7468966B2 (en) * 2004-12-30 2008-12-23 Motorola, Inc. Method and apparatus for performing neighbor tracking in a wireless local area network
KR100652747B1 (ko) * 2005-07-16 2006-12-01 엘지전자 주식회사 공유버스를 구비한 이동 통신 단말기 및 그 공유 방법
JP4503512B2 (ja) * 2005-08-26 2010-07-14 京セラ株式会社 無線通信装置及び電力変換器の動作周波数制御方法
US7878395B2 (en) * 2005-09-08 2011-02-01 Research In Motion Limited Alerting a smart card reader of probable wireless communication
KR100678905B1 (ko) * 2005-09-27 2007-02-06 삼성전자주식회사 무선 ｕｓｂ 호스트, 무선 ｕｓｂ 디바이스, 이중 역할장치 호스트의 기능을 제공하는 방법 및 이중 역할 장치호스트의 기능을 수행하는 방법
US20090164821A1 (en) * 2005-10-28 2009-06-25 Nxp B.V. Method and a system for controlling a sleep mode of a device in a wireless communications network or in a mobile point-to-point connection
KR100768104B1 (ko) * 2006-09-27 2007-10-17 한국전자통신연구원 이동통신 단말기에서의 저전력 동작 상태 제어 방법
WO2008044344A1 (en) * 2006-10-12 2008-04-17 Panasonic Corporation Communication apparatus, semiconductor integrated circuit and electronic device
US8014723B2 (en) * 2007-03-23 2011-09-06 Sigmatel, Inc. Wireless transceiver and method for use therewith
US8112646B2 (en) 2007-09-17 2012-02-07 Intel Corporation Buffering techniques for power management
US8312307B2 (en) * 2007-11-07 2012-11-13 Intel Corporation Systems and methods for reducing power consumption during communication between link partners
US8375261B2 (en) * 2008-07-07 2013-02-12 Qualcomm Incorporated System and method of puncturing pulses in a receiver or transmitter
US8213303B2 (en) 2008-09-12 2012-07-03 Intel Corporation Generating, at least in part, and/or receiving, at least in part, at least one request
US8848585B2 (en) 2009-03-06 2014-09-30 Futurewei Technologies, Inc. System and method of power management for a device with multiple network interfaces
US8201005B2 (en) 2009-03-17 2012-06-12 Intel Corporation Negotiating a transmit wake time
US20100303185A1 (en) * 2009-06-02 2010-12-02 Jacobus Cornelis Haartsen Methods of Operating Wireless Communications Devices Including Detecting Times of Receipt of Packets and Related Devices
US8942628B2 (en) 2011-11-28 2015-01-27 Qualcomm Incorporated Reducing power consumption for connection establishment in near field communication systems
US8903312B2 (en) * 2011-11-28 2014-12-02 Qualcomm Incorporated Modified connection establishment for reducing power consumption in near field communication systems
US8849361B2 (en) 2012-01-18 2014-09-30 Marvell World Trade Ltd. Intelligent detection interface for wireless devices
JP2013225214A (ja) * 2012-04-20 2013-10-31 Sharp Corp 画像形成装置
US9413399B2 (en) 2014-04-15 2016-08-09 Blackberry Limited Mobile wireless communications device providing enhanced interference mitigation from wireline transmitter and related methods
US20200059504A1 (en) * 2018-08-19 2020-02-20 Pixart Imaging Inc. Schemes capable of synchronizing native clocks and audio codec clocks of audio playing for bluetooth wireless devices
KR102814766B1 (ko) * 2019-09-11 2025-05-29 삼성전자주식회사 블루투스 네트워크 환경에서 데이터 패킷을 수신하기 위한 전자 장치

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JP3440286B2 (ja) 1997-01-30 2003-08-25 京セラ株式会社 携帯端末
US6198820B1 (en) * 1996-12-18 2001-03-06 Kyocera Corporation Portable remote terminal apparatus
EP1004167B1 (de) * 1997-08-08 2003-12-03 Siemens Aktiengesellschaft Verfahren zur aufrechterhaltung durch eine hohe taktfrequenz vorgegebenen zeitrasters durch eine niedrige taktfrequenz
JP4001686B2 (ja) * 1997-11-19 2007-10-31 株式会社日立国際電気 受信機及び間欠フレーム同期方法及び携帯端末
US6473607B1 (en) * 1998-06-01 2002-10-29 Broadcom Corporation Communication device with a self-calibrating sleep timer
JP2000244351A (ja) 1999-02-19 2000-09-08 Fujitsu Ltd 受信制御装置及びその方法
US6725067B1 (en) * 2000-03-24 2004-04-20 International Business Machines Corporation Method and system for restarting a reference clock of a mobile station after a sleep period with a zero mean time error
JP2002164841A (ja) * 2000-11-29 2002-06-07 Nec Corp 携帯電話の制御装置及び制御方法

Also Published As

Publication number Publication date
US20040203389A1 (en) 2004-10-14
JP2003318771A (ja) 2003-11-07
JP4030792B2 (ja) 2008-01-09
US7212786B2 (en) 2007-05-01

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