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WO2008139830A1 - 無線ローカルエリアネットワーク（ｌａｎ）システム - Google Patents

無線ローカルエリアネットワーク（ｌａｎ）システム Download PDF

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Publication number
WO2008139830A1
WO2008139830A1 PCT/JP2008/057532 JP2008057532W WO2008139830A1 WO 2008139830 A1 WO2008139830 A1 WO 2008139830A1 JP 2008057532 W JP2008057532 W JP 2008057532W WO 2008139830 A1 WO2008139830 A1 WO 2008139830A1
Authority
WO
WIPO (PCT)
Prior art keywords
slave units
base unit
communication
lan
area network
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.)
Ceased
Application number
PCT/JP2008/057532
Other languages
English (en)
French (fr)
Inventor
Masakuni Okada
Kazuto Yamafuji
Hiroaki Kubo
Takehito Sakuragi
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40002049&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2008139830(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Priority to CN2008800146684A priority Critical patent/CN101682930B/zh
Priority to EP08740594.0A priority patent/EP2157740A4/en
Priority to US12/599,104 priority patent/US8488496B2/en
Priority to JP2009514050A priority patent/JP5039928B2/ja
Priority to BRPI0810275-9A priority patent/BRPI0810275B1/pt
Publication of WO2008139830A1 publication Critical patent/WO2008139830A1/ja
Anticipated expiration legal-status Critical
Priority to US13/794,087 priority patent/US8873434B2/en
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/34—Modification of an existing route
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/04—Arrangements for maintaining operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • 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
    • H04W84/20—Leader-follower arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Small-Scale Networks (AREA)

Abstract

【課題】　無線LANシステムにおいて、遮蔽物、電磁波によるノイズ等の影響によって無線通信ができなくなることを回避する。 【解決手段】　外部システムと通信可能な中継器と、中継器と通信可能な親機100と、 親機と無線通信可能な複数の子機であって、子機の一部が親機からの同期信号を受信できない場合に、親機から受け取った情報信号を前記一部の子機へ送る機能を有する代替子機112からなる第１グループと、前記一部の子機への送信機能を有しない非代替子機122、124からなる第２グループを含む、複数の子機とを備える、無線ＬＡＮシステムである。
PCT/JP2008/057532 2007-05-08 2008-04-17 無線ローカルエリアネットワーク（ｌａｎ）システム Ceased WO2008139830A1 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CN2008800146684A CN101682930B (zh) 2007-05-08 2008-04-17 无线局域网系统
EP08740594.0A EP2157740A4 (en) 2007-05-08 2008-04-17 LOCAL RADIO NETWORK (LAN) SYSTEM
US12/599,104 US8488496B2 (en) 2007-05-08 2008-04-17 Wireless local area network (LAN) system
JP2009514050A JP5039928B2 (ja) 2007-05-08 2008-04-17 無線ｌａｎシステムにおける無線通信方法
BRPI0810275-9A BRPI0810275B1 (pt) 2007-05-08 2008-04-17 Equipamento e método de comunicação para rede de área local (lan) sem fio
US13/794,087 US8873434B2 (en) 2007-05-08 2013-03-11 Wireless local area network (LAN) system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-123906 2007-05-08
JP2007123906 2007-05-08

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US12/599,104 A-371-Of-International US8488496B2 (en) 2007-05-08 2008-04-17 Wireless local area network (LAN) system
US13/794,087 Continuation US8873434B2 (en) 2007-05-08 2013-03-11 Wireless local area network (LAN) system

Publications (1)

Publication Number Publication Date
WO2008139830A1 true WO2008139830A1 (ja) 2008-11-20

Family

ID=40002049

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/057532 Ceased WO2008139830A1 (ja) 2007-05-08 2008-04-17 無線ローカルエリアネットワーク（ｌａｎ）システム

Country Status (8)

Country Link
US (2) US8488496B2 (ja)
EP (1) EP2157740A4 (ja)
JP (1) JP5039928B2 (ja)
KR (1) KR101038897B1 (ja)
CN (1) CN101682930B (ja)
BR (1) BRPI0810275B1 (ja)
TW (1) TWI444008B (ja)
WO (1) WO2008139830A1 (ja)

Cited By (2)

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Publication number Priority date Publication date Assignee Title
WO2010065176A1 (en) 2008-12-01 2010-06-10 Motorola, Inc. Method and apparatus for establishing a call in a digital radio communication system
US10608767B2 (en) 2016-03-09 2020-03-31 Omron Corporation Wireless communication device, wireless information collection system, and wireless communication method

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KR101563195B1 (ko) * 2009-08-18 2015-10-27 삼성전자주식회사 호스트 장치 및 슬레이브 장치 제어 방법
US8472437B2 (en) * 2010-02-15 2013-06-25 Texas Instruments Incorporated Wireless chip-to-chip switching
JPWO2012056633A1 (ja) * 2010-10-27 2014-03-20 パナソニック株式会社 無線通信装置および無線通信方法
US9832631B2 (en) 2013-09-27 2017-11-28 Koninklijke Kpn N.V. Public safety system
JP6390126B2 (ja) * 2014-03-14 2018-09-19 株式会社リコー 情報処理システム、情報処理装置、情報処理方法、及びプログラム
KR101590272B1 (ko) * 2014-12-31 2016-01-29 엘에스산전 주식회사 Plc 시스템의 메시지 처리장치
US10015744B2 (en) * 2015-01-05 2018-07-03 Qualcomm Incorporated Low power operations in a wireless tunneling transceiver
CN108990107B (zh) * 2017-06-02 2021-06-22 华为技术有限公司 数据传输方法及设备
CN109831815B (zh) * 2018-12-14 2021-10-08 中磊电子股份有限公司 数据传输协调系统及其方法
JP7287325B2 (ja) * 2020-03-26 2023-06-06 横河電機株式会社 制御システム、制御装置、及び、フィールド機器へのアクセス方法

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JP2003143644A (ja) * 2001-05-08 2003-05-16 Sony Corp 無線通信システム、無線通信制御装置及び無線通信制御方法、並びにコンピュータ・プログラム
JP2004282758A (ja) 2003-03-13 2004-10-07 Samsung Electronics Co Ltd 無線アドホックネットワーク環境における再同期化方法
WO2005034434A1 (ja) * 2003-10-03 2005-04-14 Sharp Kabushiki Kaisha 通信装置、その装置の動作モード起動方法、通信方法、通信システム、プログラム、および、そのプログラムを記録した記録媒体
JP2005176356A (ja) * 2003-12-05 2005-06-30 Samsung Electronics Co Ltd 高速個人用無線ネットワークでのブリッジデバイスを選定するためのフレーム構造とそれによる選定方法
JP2006287477A (ja) * 2005-03-31 2006-10-19 Advanced Telecommunication Research Institute International 無線装置

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US20020044549A1 (en) * 2000-06-12 2002-04-18 Per Johansson Efficient scatternet forming
US6934554B2 (en) * 2001-02-21 2005-08-23 Nippon Telegraph And Telephone Corporation Radio communication system
US20030179722A1 (en) * 2001-05-14 2003-09-25 Sunao Takatori Master communication apparatus used in radio lan system, and control method and control program of master communication apparatus
CN1711720A (zh) * 2002-10-17 2005-12-21 松下电器产业株式会社 无线通信系统
JP4618989B2 (ja) 2003-02-18 2011-01-26 三菱電機株式会社 磁気記憶半導体装置
US7668124B2 (en) * 2003-05-21 2010-02-23 Broadcom Corporation Position based WPAN (Wireless Personal Area Network) management
KR101086981B1 (ko) * 2003-08-06 2011-11-29 파나소닉 주식회사 통신시스템의 마스터 스테이션과 액세스 제어 방법
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JP4214960B2 (ja) * 2004-06-24 2009-01-28 株式会社日立製作所 無線通信ネットワークシステム
KR100582727B1 (ko) * 2004-12-08 2006-05-22 삼성전자주식회사 무선랜의 송신전력 제어 시스템 및 그 방법
JP4662353B2 (ja) * 2005-08-12 2011-03-30 キヤノン株式会社 通信システム、通信装置、通信制御デバイス、制御プログラムおよび制御方法
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JP2004282758A (ja) 2003-03-13 2004-10-07 Samsung Electronics Co Ltd 無線アドホックネットワーク環境における再同期化方法
WO2005034434A1 (ja) * 2003-10-03 2005-04-14 Sharp Kabushiki Kaisha 通信装置、その装置の動作モード起動方法、通信方法、通信システム、プログラム、および、そのプログラムを記録した記録媒体
JP2005176356A (ja) * 2003-12-05 2005-06-30 Samsung Electronics Co Ltd 高速個人用無線ネットワークでのブリッジデバイスを選定するためのフレーム構造とそれによる選定方法
JP2006287477A (ja) * 2005-03-31 2006-10-19 Advanced Telecommunication Research Institute International 無線装置

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010065176A1 (en) 2008-12-01 2010-06-10 Motorola, Inc. Method and apparatus for establishing a call in a digital radio communication system
CN102232320A (zh) * 2008-12-01 2011-11-02 摩托罗拉解决方案公司 用于在数字无线电通信系统中建立呼叫的方法和装置
EP2371177A4 (en) * 2008-12-01 2012-12-12 Motorola Solutions Inc METHOD AND DEVICE FOR CONNECTING IN A DIGITAL RADIO COMMUNICATION SYSTEM
KR101292416B1 (ko) 2008-12-01 2013-08-01 모토로라 솔루션즈, 인크. 디지털 무선 통신 시스템에서 호를 설정하는 방법 및 장치
US8559380B2 (en) 2008-12-01 2013-10-15 Motorola Solutions, Inc. Method and apparatus for establishing a call in a digital radio communication system
CN102232320B (zh) * 2008-12-01 2014-07-09 摩托罗拉解决方案公司 用于在数字无线电通信系统中建立呼叫的方法和装置
US10608767B2 (en) 2016-03-09 2020-03-31 Omron Corporation Wireless communication device, wireless information collection system, and wireless communication method

Also Published As

Publication number Publication date
EP2157740A1 (en) 2010-02-24
US8488496B2 (en) 2013-07-16
CN101682930B (zh) 2012-11-14
JP5039928B2 (ja) 2012-10-03
US20100214999A1 (en) 2010-08-26
TWI444008B (zh) 2014-07-01
BRPI0810275B1 (pt) 2020-03-31
TW200910835A (en) 2009-03-01
US8873434B2 (en) 2014-10-28
US20130195094A1 (en) 2013-08-01
KR20090114434A (ko) 2009-11-03
EP2157740A4 (en) 2014-01-22
KR101038897B1 (ko) 2011-06-07
BRPI0810275A2 (pt) 2017-06-06
CN101682930A (zh) 2010-03-24
JPWO2008139830A1 (ja) 2010-07-29

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