WO2010013477A1 - 報知方法およびアクセス制御装置 - Google Patents

報知方法およびアクセス制御装置 Download PDF

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Publication number
WO2010013477A1
WO2010013477A1 PCT/JP2009/003613 JP2009003613W WO2010013477A1 WO 2010013477 A1 WO2010013477 A1 WO 2010013477A1 JP 2009003613 W JP2009003613 W JP 2009003613W WO 2010013477 A1 WO2010013477 A1 WO 2010013477A1
Authority
WO
WIPO (PCT)
Prior art keywords
unit
slot
slots
control device
access control
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/JP2009/003613
Other languages
English (en)
French (fr)
Inventor
永井真琴
樋口啓介
中岡謙
土居義晴
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co 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
Priority claimed from JP2008198941A external-priority patent/JP5258440B2/ja
Priority claimed from JP2008198942A external-priority patent/JP5258441B2/ja
Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to CN2009801305381A priority Critical patent/CN102165829A/zh
Priority to US13/056,882 priority patent/US8976687B2/en
Publication of WO2010013477A1 publication Critical patent/WO2010013477A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/091—Traffic information broadcasting
    • G08G1/092—Coding or decoding of the information
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/091—Traffic information broadcasting
    • G08G1/094—Hardware aspects; Signal processing or signal properties, e.g. frequency bands
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/30—Resource management for broadcast services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)

Abstract

　複数のスロットを少なくとも含んだフレームが繰り返されるように規定され、検出部３２は、複数のスロットの中から、端末装置間の通信に使用可能なスロットを検出する。変復調部２４、ＲＦ部２２は、検出したスロットに関する情報を報知する。ここで、検出部３２において、電力測定部３８は、複数のスロットのそれぞれに対する受信電力を測定し、空きスロット特定部４２は、受信電力がしきい値よりも小さいスロットを特定する。
PCT/JP2009/003613 2008-07-31 2009-07-30 報知方法およびアクセス制御装置 Ceased WO2010013477A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2009801305381A CN102165829A (zh) 2008-07-31 2009-07-30 报知方法和访问控制装置
US13/056,882 US8976687B2 (en) 2008-07-31 2009-07-30 Broadcasting method and access control apparatus

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2008-198941 2008-07-31
JP2008198941A JP5258440B2 (ja) 2008-07-31 2008-07-31 報知方法およびアクセス制御装置
JP2008198942A JP5258441B2 (ja) 2008-07-31 2008-07-31 報知方法およびアクセス制御装置
JP2008-198942 2008-07-31

Publications (1)

Publication Number Publication Date
WO2010013477A1 true WO2010013477A1 (ja) 2010-02-04

Family

ID=41610191

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2009/003613 Ceased WO2010013477A1 (ja) 2008-07-31 2009-07-30 報知方法およびアクセス制御装置

Country Status (3)

Country Link
US (1) US8976687B2 (ja)
CN (1) CN102165829A (ja)
WO (1) WO2010013477A1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102474702A (zh) * 2010-06-14 2012-05-23 三洋电机株式会社 终端装置
DE102011105356A1 (de) * 2011-06-22 2012-12-27 Audi Ag Verfahren zur Auslösung wenigstens einer irreversiblen Rückhalteeinrichtung eines Kraftfahrzeugs
KR102034292B1 (ko) * 2012-09-12 2019-10-18 한국전자통신연구원 단말간 직접 통신 네트워크의 동기신호 송신 방법 및 단말
US9179269B2 (en) * 2012-09-12 2015-11-03 Electronics And Telecommunications Research Institute Method and apparatus for transmitting synchronization signal in talk-around direct communication network

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10209956A (ja) * 1997-01-28 1998-08-07 Nippon Telegr & Teleph Corp <Ntt> 無線パケット通信方法
JP2006086563A (ja) * 2004-09-14 2006-03-30 Matsushita Electric Ind Co Ltd 無線通信システム
JP2007235830A (ja) * 2006-03-03 2007-09-13 Nippon Telegr & Teleph Corp <Ntt> ランダムアクセス方式、基地局装置及び端末局装置
JP2008148131A (ja) * 2006-12-12 2008-06-26 Tokai Rika Co Ltd 車車間通信の発信信号周波数設定システム及びその発信信号周波数設定方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3429925B2 (ja) * 1995-11-28 2003-07-28 パイオニア株式会社 Ｃａｔｖ通信方法、ｃａｔｖ通信システム、そのセンタ装置、及び、その端末装置
US5995498A (en) * 1996-12-30 1999-11-30 Ericsson, Inc. Channel strength measurement shifting scheme
JP3955680B2 (ja) 1998-05-12 2007-08-08 株式会社エヌ・ティ・ティ・ドコモ 時分割通信方式の移動通信システムにおける無線チャネルアクセス方法、その方法を使用する基地局及び移動局
SG114476A1 (en) * 1999-11-04 2005-09-28 Ntt Docomo Inc Method, base station and mobile station for timeslot selection and timeslot assignment
JP2001168873A (ja) * 1999-12-07 2001-06-22 Sony Corp 無線通信システムおよびその方法と無線通信装置
DE602004011194T2 (de) * 2003-01-10 2008-12-24 Matsushita Electric Industrial Co., Ltd., Kadoma Verfahren zum senden eines Datenstroms über ein drahtloses Medium über ein drahtloses Netzwerk und drahtloses Netzwerk
JP4725036B2 (ja) 2003-12-16 2011-07-13 株式会社デンソー 通信装置、移動体用通信システム及びプログラム
US7693173B2 (en) * 2004-11-19 2010-04-06 Panasonic Corporation Communication system, communication control method, communication control apparatus, and communication control program
US8576811B2 (en) * 2006-02-06 2013-11-05 Motorola Solutions, Inc. System, method and apparatus for reliable exchange of information between nodes of a multi-hop wireless communication network
US8503343B2 (en) 2006-08-21 2013-08-06 Panasonic Corporation Wireless communication system, communication control method and communication node
US8976796B2 (en) * 2006-09-25 2015-03-10 Futurewei Technologies, Inc. Bandwidth reuse in multiplexed data stream
WO2008157724A1 (en) * 2007-06-19 2008-12-24 The Trustees Of Columbia University In The City Of New York Methods and systems for providing feedback for beamforming and power control
US8320321B2 (en) * 2007-06-22 2012-11-27 Motorola Solutions, Inc. Optimizing positions of time slots in a hybrid time division multiple access (TDMA)-carrier sense multiple access (CSMA) medium access control (MAC) for multi-hop ad hoc networks
JP2010028636A (ja) 2008-07-23 2010-02-04 Fujitsu Ltd 基地局、移動局、通信制御方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10209956A (ja) * 1997-01-28 1998-08-07 Nippon Telegr & Teleph Corp <Ntt> 無線パケット通信方法
JP2006086563A (ja) * 2004-09-14 2006-03-30 Matsushita Electric Ind Co Ltd 無線通信システム
JP2007235830A (ja) * 2006-03-03 2007-09-13 Nippon Telegr & Teleph Corp <Ntt> ランダムアクセス方式、基地局装置及び端末局装置
JP2008148131A (ja) * 2006-12-12 2008-06-26 Tokai Rika Co Ltd 車車間通信の発信信号周波数設定システム及びその発信信号周波数設定方法

Also Published As

Publication number Publication date
US8976687B2 (en) 2015-03-10
CN102165829A (zh) 2011-08-24
US20110134789A1 (en) 2011-06-09

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