WO2009013969A1 - 無線通信システム及びその節電方法 - Google Patents

無線通信システム及びその節電方法 Download PDF

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Publication number
WO2009013969A1
WO2009013969A1 PCT/JP2008/061538 JP2008061538W WO2009013969A1 WO 2009013969 A1 WO2009013969 A1 WO 2009013969A1 JP 2008061538 W JP2008061538 W JP 2008061538W WO 2009013969 A1 WO2009013969 A1 WO 2009013969A1
Authority
WO
WIPO (PCT)
Prior art keywords
beacon signals
master node
communication system
radio communication
power
Prior art date
Application number
PCT/JP2008/061538
Other languages
English (en)
French (fr)
Inventor
Yuuichi Aoki
Original Assignee
Nec Corporation
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 Corporation filed Critical Nec Corporation
Priority to JP2009524429A priority Critical patent/JP5152187B2/ja
Priority to US12/669,512 priority patent/US20100195557A1/en
Publication of WO2009013969A1 publication Critical patent/WO2009013969A1/ja

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
    • 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]
    • H04L12/40—Bus networks
    • H04L12/403—Bus networks with centralised control, e.g. polling
    • H04L12/4035—Bus networks with centralised control, e.g. polling in which slots of a TDMA packet structure are assigned based on a contention resolution carried out at a master unit
    • 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

Abstract

　１対多通信であるビーコン信号を一定周期毎に送信する親ノード及びビーコン信号を受信する子ノードを備え、親ノード及び子ノードがビーコン信号により同期して動作する無線通信システムにおいて、子ノードは、ビーコン信号間の予め設定された所定の期間内で、親ノードに対するデータの送信予定の有無を通知するための予定通知信号を送信する。親ノードは、所定の期間内で予定通知信号を確認できない場合、次のビーコン信号の送信時刻まで休止状態に遷移する。
PCT/JP2008/061538 2007-07-24 2008-06-25 無線通信システム及びその節電方法 WO2009013969A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009524429A JP5152187B2 (ja) 2007-07-24 2008-06-25 無線通信システム及びその節電方法
US12/669,512 US20100195557A1 (en) 2007-07-24 2008-06-25 Radio communication system and power-saving method thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-192020 2007-07-24
JP2007192020 2007-07-24

Publications (1)

Publication Number Publication Date
WO2009013969A1 true WO2009013969A1 (ja) 2009-01-29

Family

ID=40281228

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/061538 WO2009013969A1 (ja) 2007-07-24 2008-06-25 無線通信システム及びその節電方法

Country Status (3)

Country Link
US (1) US20100195557A1 (ja)
JP (1) JP5152187B2 (ja)
WO (1) WO2009013969A1 (ja)

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JP2010191882A (ja) * 2009-02-20 2010-09-02 Hitachi Ltd 位置追跡装置、位置追跡システムおよび位置追跡方法
JP2013530609A (ja) * 2010-05-11 2013-07-25 クアルコム，インコーポレイテッド アクティブ状態とスリープ状態間の移行による節電を実装するワイヤレスパーソナルエリアネットワーク（ｐａｎ）コーディネータ

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US10772028B2 (en) * 2009-02-13 2020-09-08 Signify Holding B.V. Method for communicating in a network comprising a batteryless ZigBee device, network and device therefor
CN101937611A (zh) * 2010-08-10 2011-01-05 南京瀚之显电子科技有限公司 基于Zigbee网络的农业大棚温湿度监测系统及方法
EP2898609B8 (en) 2012-09-21 2018-11-07 Myriota Pty Ltd Multi-access communication system
JP2014127956A (ja) * 2012-12-27 2014-07-07 Toshiba Corp 無線通信装置
WO2014210422A1 (en) * 2013-06-28 2014-12-31 Huawei Technologies Co., Ltd. Presence delay and state computation for composite services
GB201712136D0 (en) 2017-07-27 2017-09-13 Finlay Alan A sensor network for a rotatable element
US20230388928A1 (en) * 2022-05-26 2023-11-30 Qualcomm Incorporated Pre-emptive buffer status report extension for network power saving

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JP2005086425A (ja) * 2003-09-08 2005-03-31 Seiko Epson Corp データ通信装置及びデータ通信システム

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JP2001156788A (ja) * 1999-11-24 2001-06-08 Matsushita Electric Ind Co Ltd 無線ｌａｎアクセスポイント
US6839331B2 (en) * 2000-11-02 2005-01-04 Sharp Laboratories Of America, Inc. Method to dynamically change all MIB parameters of a wireless data network
US20020159418A1 (en) * 2000-11-02 2002-10-31 Sharp Laboratories Of America, Inc. Quality of service using wireless lan
JP2002300175A (ja) * 2001-04-03 2002-10-11 Matsushita Electric Ind Co Ltd 無線通信システム
US7382757B2 (en) * 2003-09-23 2008-06-03 Motorola, Inc. Method for supporting a plurality of subscribers operating on different frequency bands using a single access point
US8903440B2 (en) * 2004-01-29 2014-12-02 Qualcomm Incorporated Distributed hierarchical scheduling in an ad hoc network
KR100606084B1 (ko) * 2004-08-17 2006-07-28 삼성전자주식회사 광대역 무선 접속 통신 시스템에서 이동 단말기의 슬립 식별자 업데이트 시스템 및 방법
GB2417860A (en) * 2004-09-01 2006-03-08 Tak Ming Leung Identifying the modulation format of a received signal
US7855986B2 (en) * 2004-11-26 2010-12-21 Panasonic Corporation Communication terminal and method for handling power off time
KR100871853B1 (ko) * 2006-06-05 2008-12-03 삼성전자주식회사 비압축 ａｖ 데이터 전송을 위한 데이터 슬롯 할당 방법,비압축 ａｖ 데이터 전송 방법, 및 상기 방법을 이용하는장치
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JP2004336401A (ja) * 2003-05-08 2004-11-25 Sony Corp 無線通信システム
JP2005086425A (ja) * 2003-09-08 2005-03-31 Seiko Epson Corp データ通信装置及びデータ通信システム

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010191882A (ja) * 2009-02-20 2010-09-02 Hitachi Ltd 位置追跡装置、位置追跡システムおよび位置追跡方法
JP2013530609A (ja) * 2010-05-11 2013-07-25 クアルコム，インコーポレイテッド アクティブ状態とスリープ状態間の移行による節電を実装するワイヤレスパーソナルエリアネットワーク（ｐａｎ）コーディネータ
JP2014168306A (ja) * 2010-05-11 2014-09-11 Qualcomm Inc アクティブ状態とスリープ状態間の移行による節電を実装するワイヤレスパーソナルエリアネットワーク（ｐａｎ）コーディネータ
US8971223B2 (en) 2010-05-11 2015-03-03 Qualcomm Incorporated Wireless personal area network coordinator
KR101499307B1 (ko) * 2010-05-11 2015-03-05 퀄컴 인코포레이티드 액티브 상태와 슬립 상태 간을 천이함으로써 전력 절약을 구현하는 무선 개인 영역 네트워크 (ｐａｎ) 조정자
JP2016042729A (ja) * 2010-05-11 2016-03-31 クアルコム，インコーポレイテッド アクティブ状態とスリープ状態間の移行による節電を実装するワイヤレスパーソナルエリアネットワーク（ｐａｎ）コーディネータ
US9629091B2 (en) 2010-05-11 2017-04-18 Qualcomm Incorporated Wireless personal area network device

Also Published As

Publication number Publication date
JPWO2009013969A1 (ja) 2010-09-30
JP5152187B2 (ja) 2013-02-27
US20100195557A1 (en) 2010-08-05

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