JP4030792B2 - 無線通信装置及びマイクロコンピュータ - Google Patents

無線通信装置及びマイクロコンピュータ Download PDF

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Publication number
JP4030792B2
JP4030792B2 JP2002125685A JP2002125685A JP4030792B2 JP 4030792 B2 JP4030792 B2 JP 4030792B2 JP 2002125685 A JP2002125685 A JP 2002125685A JP 2002125685 A JP2002125685 A JP 2002125685A JP 4030792 B2 JP4030792 B2 JP 4030792B2
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JP
Japan
Prior art keywords
clock
clock signal
wireless communication
signal
oscillation
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Expired - Lifetime
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JP2002125685A
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English (en)
Japanese (ja)
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JP2003318771A (ja
JP2003318771A5 (enExample
Inventor
浩嗣 小島
淳 木内
雄一 瀧常
克己 山本
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Renesas Technology Corp
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Renesas Technology Corp
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Publication date
Application filed by Renesas Technology Corp filed Critical Renesas Technology Corp
Priority to JP2002125685A priority Critical patent/JP4030792B2/ja
Priority to US10/410,172 priority patent/US7212786B2/en
Priority to TW92108705A priority patent/TW200307393A/zh
Publication of JP2003318771A publication Critical patent/JP2003318771A/ja
Publication of JP2003318771A5 publication Critical patent/JP2003318771A5/ja
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    • 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)
JP2002125685A 2002-04-26 2002-04-26 無線通信装置及びマイクロコンピュータ Expired - Lifetime JP4030792B2 (ja)

Priority Applications (3)

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
US10/410,172 US7212786B2 (en) 2002-04-26 2003-04-10 Wireless communication system and microcomputer
TW92108705A TW200307393A (en) 2002-04-26 2003-04-15 Wireless communication device and microcomputer

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 (3)

Publication Number Publication Date
JP2003318771A JP2003318771A (ja) 2003-11-07
JP2003318771A5 JP2003318771A5 (enExample) 2005-09-29
JP4030792B2 true JP4030792B2 (ja) 2008-01-09

Family

ID=29540331

Family Applications (1)

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JP2002125685A Expired - Lifetime 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

Country Status (3)

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

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US6968219B2 (en) * 2001-08-15 2005-11-22 Qualcomm, Incorporated Method for reducing power consumption in bluetooth and CDMA modes of operation
US7627353B2 (en) * 2007-03-01 2009-12-01 Aerielle Technologies, Inc. Circuit and method for providing an auto-off capability for a wireless transmitter
TWI223535B (en) * 2003-05-21 2004-11-01 Admtek Inc Control signal generation device and method for transmission time of beacon frame
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

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
TW200307393A (en) 2003-12-01
US20040203389A1 (en) 2004-10-14
JP2003318771A (ja) 2003-11-07
US7212786B2 (en) 2007-05-01

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