WO2009075097A1 - データ送受信システム、端末、中継機器及びデータ送信方法 - Google Patents

データ送受信システム、端末、中継機器及びデータ送信方法 Download PDF

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Publication number
WO2009075097A1
WO2009075097A1 PCT/JP2008/003667 JP2008003667W WO2009075097A1 WO 2009075097 A1 WO2009075097 A1 WO 2009075097A1 JP 2008003667 W JP2008003667 W JP 2008003667W WO 2009075097 A1 WO2009075097 A1 WO 2009075097A1
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WO
WIPO (PCT)
Prior art keywords
terminal
transmission
data
error correction
data transmission
Prior art date
Application number
PCT/JP2008/003667
Other languages
English (en)
French (fr)
Inventor
Takao Yamaguchi
Atsushi Yoshida
Tomoki Ishii
Original Assignee
Panasonic 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 Panasonic Corporation filed Critical Panasonic Corporation
Priority to EP08859804.0A priority Critical patent/EP2109339B8/en
Priority to JP2009517787A priority patent/JP4382153B2/ja
Priority to US12/529,620 priority patent/US8284671B2/en
Priority to CN200880014480.XA priority patent/CN101675706B/zh
Publication of WO2009075097A1 publication Critical patent/WO2009075097A1/ja

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028—Formatting
    • H04L1/0031—Multiple signaling transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H04L1/203—Details of error rate determination, e.g. BER, FER or WER
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H04L43/0823—Errors, e.g. transmission errors
    • H04L43/0829—Packet loss
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/11—Identifying congestion
    • H04L47/115—Identifying congestion using a dedicated packet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/33—Flow control; Congestion control using forward notification
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/021—Traffic management, e.g. flow control or congestion control in wireless networks with changing topologies, e.g. ad-hoc networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/26—Flow control; Congestion control using explicit feedback to the source, e.g. choke packets
    • H04L47/263—Rate modification at the source after receiving feedback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
    • H04W40/246—Connectivity information discovery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
    • H04W40/248—Connectivity information update
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Environmental & Geological Engineering (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)

Abstract

　端末は、データと、伝送品質を観測するための観測パケットとの送信及び受信を行なう送受信部（９０８）と、（ｉ）送受信部（９０８）を介して他の端末との間で観測パケットのやり取りを行ない、（ｉｉ）端末がデータの受信側の場合には、他の端末との間におけるデータのロス率を観測するとともに、当該ロス率を示す劣化状態情報を観測パケットに書込み、（ｉｉｉ）端末がデータの送信側の場合には、他の端末から収集した観測パケットに含まれる劣化状態情報から輻輳状態情報を減じることにより、端末及び中継機器におけるデータの伝送誤り率を求める伝送品質管理部（９０６）と、伝送品質管理部（９０６）で求められた伝送誤り率に基づいて前方誤り訂正能力を決定し、送信するデータに前方誤り訂正能力に応じた前方誤り訂正符号を付与する誤り訂正符号処理部（９０５）とを備える。
PCT/JP2008/003667 2007-12-12 2008-12-09 データ送受信システム、端末、中継機器及びデータ送信方法 WO2009075097A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP08859804.0A EP2109339B8 (en) 2007-12-12 2008-12-09 Data transmitting and receiving system, terminal, relay device, and data transmitting method
JP2009517787A JP4382153B2 (ja) 2007-12-12 2008-12-09 データ送受信システム、端末、中継機器及びデータ送信方法
US12/529,620 US8284671B2 (en) 2007-12-12 2008-12-09 Data transmitting and receiving system, terminal, relay device, and data transmitting method
CN200880014480.XA CN101675706B (zh) 2007-12-12 2008-12-09 数据收发系统、终端、中继设备以及数据发送方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-321306 2007-12-12
JP2007321306 2007-12-12

Publications (1)

Publication Number Publication Date
WO2009075097A1 true WO2009075097A1 (ja) 2009-06-18

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PCT/JP2008/003667 WO2009075097A1 (ja) 2007-12-12 2008-12-09 データ送受信システム、端末、中継機器及びデータ送信方法

Country Status (5)

Country Link
US (1) US8284671B2 (ja)
EP (1) EP2109339B8 (ja)
JP (1) JP4382153B2 (ja)
CN (1) CN101675706B (ja)
WO (1) WO2009075097A1 (ja)

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GB2471347A (en) * 2009-06-23 2010-12-29 Nec Europe Ltd Using a control parameter to control the level of communication message congestion in and between nodes in a wireless vehicle to vehicle network.
WO2013015193A1 (ja) * 2011-07-22 2013-01-31 シャープ株式会社 コンテンツ配信装置、受信装置、中継装置、コンテンツ配信システム、コンテンツ配信方法及びプログラム
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EP2109339A1 (en) 2009-10-14
JP4382153B2 (ja) 2009-12-09
EP2109339B8 (en) 2016-05-25
EP2109339A4 (en) 2014-01-22
JPWO2009075097A1 (ja) 2011-04-28
CN101675706A (zh) 2010-03-17
US20100097924A1 (en) 2010-04-22
EP2109339B1 (en) 2016-04-06
CN101675706B (zh) 2014-01-29
US8284671B2 (en) 2012-10-09

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