ZA200205137B - Method for making data transmission more effective and a data transmission protocol. - Google Patents

Method for making data transmission more effective and a data transmission protocol. Download PDF

Info

Publication number
ZA200205137B
ZA200205137B ZA200205137A ZA200205137A ZA200205137B ZA 200205137 B ZA200205137 B ZA 200205137B ZA 200205137 A ZA200205137 A ZA 200205137A ZA 200205137 A ZA200205137 A ZA 200205137A ZA 200205137 B ZA200205137 B ZA 200205137B
Authority
ZA
South Africa
Prior art keywords
layer
data
rlc
transmitted
upper layer
Prior art date
Application number
ZA200205137A
Other languages
English (en)
Inventor
Jan Suumaki
Ari Tourunen
Hans Kallio
Original Assignee
Nokia 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=8555849&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA200205137(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nokia Corp filed Critical Nokia Corp
Publication of ZA200205137B publication Critical patent/ZA200205137B/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0078Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
    • H04L1/0079Formats for control data
    • H04L1/0082Formats for control data fields explicitly indicating existence of error in data being transmitted, e.g. so that downstream stations can avoid decoding erroneous packet; relays
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1809Selective-repeat protocols
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829Arrangements specially adapted for the receiver end
    • H04L1/1835Buffer management
    • H04L1/1838Buffer management for semi-reliable protocols, e.g. for less sensitive applications such as streaming video
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867Arrangements specially adapted for the transmitter end
    • H04L1/187Details of sliding window management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/30Definitions, standards or architectural aspects of layered protocol stacks
    • H04L69/32Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
    • H04L69/321Interlayer communication protocols or service data unit [SDU] definitions; Interfaces between layers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40Network security protocols
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/30Definitions, standards or architectural aspects of layered protocol stacks
    • H04L69/32Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • H04W28/06Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W80/00Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/02Data link layer protocols

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Communication Control (AREA)
  • Mobile Radio Communication Systems (AREA)
ZA200205137A 1999-12-31 2002-06-26 Method for making data transmission more effective and a data transmission protocol. ZA200205137B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI992837A FI110831B (fi) 1999-12-31 1999-12-31 Menetelmä tiedonsiirron tehostamiseksi ja tiedonsiirtoprotokolla

Publications (1)

Publication Number Publication Date
ZA200205137B true ZA200205137B (en) 2003-02-06

Family

ID=8555849

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200205137A ZA200205137B (en) 1999-12-31 2002-06-26 Method for making data transmission more effective and a data transmission protocol.

Country Status (14)

Country Link
US (1) US6857095B2 (de)
EP (1) EP1243144B1 (de)
JP (1) JP3735067B2 (de)
KR (1) KR100621150B1 (de)
CN (1) CN1191725C (de)
AT (1) ATE341904T1 (de)
AU (1) AU2377601A (de)
BR (1) BR0016735A (de)
CA (1) CA2395615C (de)
DE (1) DE60031167T2 (de)
ES (1) ES2272350T3 (de)
FI (1) FI110831B (de)
WO (1) WO2001050789A1 (de)
ZA (1) ZA200205137B (de)

Families Citing this family (87)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI106504B (fi) * 1998-10-06 2001-02-15 Nokia Networks Oy Datan segmentointimenetelmä tietoliikennejärjestelmässä
DE10008148A1 (de) * 2000-02-22 2001-08-23 Bosch Gmbh Robert Verfahren zum Betreiben eines Mobilfunknetzes
CN1290287C (zh) * 2000-04-17 2006-12-13 北方电讯网络有限公司 在用于无线通信的物理和链路层的自动重发请求协议的合作
KR100644594B1 (ko) * 2000-06-10 2006-11-13 삼성전자주식회사 무선 데이터 송수신 장치 및 그 방법
FI112995B (fi) * 2001-01-16 2004-02-13 Nokia Corp Virheellisen datan käsittely pakettivälitteistä tiedonsiirtoa tarjoavassa tietoliikennejärjestelmässä
US20020163908A1 (en) * 2001-05-07 2002-11-07 Ari Lakaniemi Apparatus, and associated method, for synchronizing operation of codecs operable pursuant to a communicaton session
US7165112B2 (en) * 2001-06-22 2007-01-16 Motorola, Inc. Method and apparatus for transmitting data in a communication system
KR100883062B1 (ko) * 2001-07-07 2009-02-10 엘지전자 주식회사 무선 통신 시스템에서 무선 링크 제어 계층의 정보를 전송하는 방법
US7242670B2 (en) * 2001-07-07 2007-07-10 Lg Electronics Inc. Method for controlling retransmission of information using state variables in radio communication system
KR100595583B1 (ko) * 2001-07-09 2006-07-03 엘지전자 주식회사 이동통신시스템에서 핸드오버에 따른 패킷 데이터 전송 방법
US6725040B2 (en) * 2001-07-09 2004-04-20 Asustek Computer Inc. Lossless SRNS relocation procedure in a wireless communications system
US7542482B2 (en) 2001-08-16 2009-06-02 Qualcomm Incorporated Method and apparatus for message segmentation in a wireless communication system
US6839566B2 (en) * 2001-08-16 2005-01-04 Qualcomm, Incorporated Method and apparatus for time-based reception of transmissions in a wireless communication system
DE10141092A1 (de) * 2001-08-22 2003-03-06 Siemens Ag Verfahren zur Übertragung von Datenpaketen in einem Funk-Kommunikationssystem
US6874113B2 (en) * 2001-09-17 2005-03-29 Interdigital Technology Corporation Radio resource control-service data unit reception
SE0103506D0 (sv) * 2001-10-19 2001-10-19 Ericsson Telefon Ab L M HARQ stall avoidance
PL368133A1 (en) 2001-10-19 2005-03-21 Telefonaktiebolaget L M Ericsson (Publ) Avoiding stall conditions and sequence number ambiguity in an automatic repeat request protocol
US6904016B2 (en) * 2001-11-16 2005-06-07 Asustek Computer Inc. Processing unexpected transmission interruptions in a wireless communications system
ATE502472T1 (de) 2001-11-24 2011-04-15 Lg Electronics Inc Verfahren zur übertragung von paketdaten in komprimierter form in einem kommunikationssystem
US7515557B1 (en) * 2002-01-11 2009-04-07 Broadcom Corporation Reconfiguration of a communication system
US8027637B1 (en) 2002-01-11 2011-09-27 Broadcom Corporation Single frequency wireless communication system
US7689210B1 (en) 2002-01-11 2010-03-30 Broadcom Corporation Plug-n-playable wireless communication system
US7876704B1 (en) 2002-01-11 2011-01-25 Broadcom Corporation Tunneling protocols for wireless communications
US7149196B1 (en) 2002-01-11 2006-12-12 Broadcom Corporation Location tracking in a wireless communication system using power levels of packets received by repeaters
US7672274B2 (en) 2002-01-11 2010-03-02 Broadcom Corporation Mobility support via routing
US6788658B1 (en) * 2002-01-11 2004-09-07 Airflow Networks Wireless communication system architecture having split MAC layer
EP1343267A3 (de) * 2002-02-08 2005-08-03 ASUSTeK Computer Inc. Bestätigung einer Datenübertragung in einem schnurlosen Kommunikationssystem
EP1337065A1 (de) * 2002-02-13 2003-08-20 Telefonaktiebolaget L M Ericsson (Publ) Halb-zuverlässiges ARQ Verfahren und entsprechende Einrichtung
KR100896484B1 (ko) * 2002-04-08 2009-05-08 엘지전자 주식회사 이동통신시스템에서 데이터 전송 무선통신방법 및 무선통신장치
DE10215567A1 (de) * 2002-04-09 2003-10-23 Siemens Ag Verfahren zur Übertragung von Daten, insbesondere mit multimedialen Inhalten, in einem Mobilfunknetz
US8484370B1 (en) * 2002-04-16 2013-07-09 Trimble Navigation Limited Method and system for efficient extended data communications using GPRS
US8171300B2 (en) * 2002-04-30 2012-05-01 Qualcomm Incorporated Security method and apparatus
US7113498B2 (en) * 2002-06-05 2006-09-26 Broadcom Corporation Virtual switch
US7542471B2 (en) * 2002-10-30 2009-06-02 Citrix Systems, Inc. Method of determining path maximum transmission unit
US7630305B2 (en) * 2003-07-29 2009-12-08 Orbital Data Corporation TCP selective acknowledgements for communicating delivered and missed data packets
US8233392B2 (en) 2003-07-29 2012-07-31 Citrix Systems, Inc. Transaction boundary detection for reduction in timeout penalties
US8270423B2 (en) 2003-07-29 2012-09-18 Citrix Systems, Inc. Systems and methods of using packet boundaries for reduction in timeout prevention
US7616638B2 (en) 2003-07-29 2009-11-10 Orbital Data Corporation Wavefront detection and disambiguation of acknowledgments
US7269760B2 (en) * 2003-02-05 2007-09-11 Innovative Sonic Limited Scheme to discard an erroneous PDU received in a wireless communication system
KR100498347B1 (ko) * 2003-04-01 2005-07-01 엘지전자 주식회사 Amr 코덱을 지원하기 위한 데이터 처리방법
CN1768511B (zh) * 2003-04-09 2010-12-01 日本电气株式会社 无线电网络控制设备及其使用的qos控制方法
US7698453B2 (en) * 2003-07-29 2010-04-13 Oribital Data Corporation Early generation of acknowledgements for flow control
US8238241B2 (en) 2003-07-29 2012-08-07 Citrix Systems, Inc. Automatic detection and window virtualization for flow control
US7656799B2 (en) 2003-07-29 2010-02-02 Citrix Systems, Inc. Flow control system architecture
US8437284B2 (en) 2003-07-29 2013-05-07 Citrix Systems, Inc. Systems and methods for additional retransmissions of dropped packets
US8432800B2 (en) 2003-07-29 2013-04-30 Citrix Systems, Inc. Systems and methods for stochastic-based quality of service
DE10345438B4 (de) * 2003-09-30 2005-09-15 Siemens Ag Verfahren und Vorrichtung zum Dekodieren von mittels paketorientierten Datenübertragungsnetzen übertragenen kodierten Datenpaketen und Verfahren und Vorrichtung zum Kodieren und Dekodieren von über paketorientierte Datenübertragungsnetze zu übertragende Datenpaketen
FI20031853A (fi) * 2003-12-18 2005-06-19 Nokia Corp Tiedonsiirtomenetelmä langatonta pakettidatapohjaista tiedonsiirtoa varten
JP4417733B2 (ja) * 2004-01-15 2010-02-17 ソニー・エリクソン・モバイルコミュニケーションズ株式会社 伝送方法及び装置
EP1562330B1 (de) * 2004-02-06 2007-01-03 M-Stack Limited Behandlung eines SDU Verwurfs in der RRC Einheit eines UMTS Geräts
EP1562331B1 (de) * 2004-02-06 2007-03-28 M-Stack Limited Bahandlung eines SDU Verwurfs in einer RRC Einheit eines UMTS Geräts
KR101058729B1 (ko) * 2004-05-19 2011-08-22 삼성전자주식회사 패킷 망을 이용하여 음성 서비스를 제공하는이동통신시스템에서 음성 패킷 데이터를 효율적으로처리하는 장치 및 방법
KR100869540B1 (ko) * 2004-08-06 2008-11-19 샤프 가부시키가이샤 송신기, 수신기, 통신시스템, 통신방법, 통신프로그램을 기록한 컴퓨터 독취가능한 기록매체
US7360140B2 (en) * 2004-09-23 2008-04-15 International Business Machines Corporation Apparatus and method for tracking packets in a reliably connected transmission system
EP1796412A4 (de) * 2004-09-29 2011-11-23 Fujitsu Ltd Verschleierungskommunikationssystem
US8051182B2 (en) * 2005-01-28 2011-11-01 Sharp Kabushiki Kaisha Communication device, communication system, communication method, communication program, and communication circuit
US7787391B2 (en) * 2005-01-28 2010-08-31 Sharp Kabushiki Kaisha Communication device, communication system, communication method, communication program, and communication circuit
CN101964705B (zh) * 2005-01-28 2012-08-08 夏普株式会社 通信设备、通信系统、通信方法、通信程序、通信电路
KR100902341B1 (ko) * 2005-01-28 2009-06-12 샤프 가부시키가이샤 통신기기, 통신시스템, 통신방법, 통신 프로그램을 기록한 컴퓨터독취가능한 기록매체, 통신회로
KR100748342B1 (ko) * 2005-09-14 2007-08-09 매그나칩 반도체 유한회사 씨모스 이미지 센서의 제조방법
KR100877078B1 (ko) * 2005-10-05 2009-01-07 한국전자통신연구원 Mbms 수신 시스템에 있어서의 에러 정정 방법 및 장치
WO2007055326A1 (ja) * 2005-11-10 2007-05-18 Sharp Kabushiki Kaisha データ送信装置およびその制御方法、データ受信装置およびその制御方法、データ送信システム、データ送信装置制御プログラム、データ受信装置制御プログラム、ならびに該プログラムを記録した記録媒体
US8839065B2 (en) * 2011-07-29 2014-09-16 Blackfire Research Corporation Packet loss anticipation and pre emptive retransmission for low latency media applications
KR101259514B1 (ko) 2006-03-23 2013-05-06 삼성전자주식회사 이기종 이동통신 시스템 간의 무손실 핸드오버 방법 및장치
US20070253447A1 (en) * 2006-04-27 2007-11-01 Innovative Sonic, Limited Methods and apparatus for handling segmentation and numbering of SDUs in wireless communication systems
KR20090017699A (ko) * 2006-06-20 2009-02-18 가부시키가이샤 엔티티 도코모 이동통신시스템에서 사용되는 무선통신장치 및 방법
US8379646B2 (en) * 2006-07-31 2013-02-19 Lg Electronics Inc. Method of processing control information in a mobile communication system
US20100054119A1 (en) * 2006-09-20 2010-03-04 Hideki Watanabe Mobile communication system, user equipment, and communication ending period shortening method to be utilized in the system and equipment
JP4219950B2 (ja) * 2006-10-16 2009-02-04 シャープ株式会社 通信機器、通信方法、通信回路、携帯電話機、プログラム、およびプログラムを記録したコンピュータ読み取り可能な記録媒体
WO2008085908A1 (en) * 2007-01-05 2008-07-17 Interdigital Technology Corporation Method and apparatus for indicating a transmission status to a higher layer
US7706266B2 (en) * 2007-03-12 2010-04-27 Citrix Systems, Inc. Systems and methods of providing proxy-based quality of service
KR101132522B1 (ko) * 2007-10-01 2012-04-02 인터디지탈 패튼 홀딩스, 인크 Pdcp를 폐기하기 위한 방법 및 장치
JP5082768B2 (ja) * 2007-10-29 2012-11-28 富士通株式会社 移動通信システム、移動通信方法、無線基地局装置、および端末
US8208394B2 (en) * 2007-10-30 2012-06-26 Qualcomm Incorporated Service data unit discard timers
JP2009182459A (ja) * 2008-01-29 2009-08-13 Sony Corp 通信装置、通信システム、通信方法及びプログラム
CN101795494B (zh) * 2009-02-03 2012-10-10 中国移动通信集团公司 一种lte-a系统内的数据分流方法、装置及系统
EP2247154B1 (de) * 2009-04-27 2012-05-16 Telefonaktiebolaget L M Ericsson (PUBL) Verfahren zur koordinierten RLC- und PDCP-Verarbeitung
US10313831B2 (en) * 2014-05-09 2019-06-04 Futurewei Technologies, Inc. Extensible solution for device to device discovery message size
US10834065B1 (en) 2015-03-31 2020-11-10 F5 Networks, Inc. Methods for SSL protected NTLM re-authentication and devices thereof
US10172036B2 (en) 2015-05-22 2019-01-01 Ntt Docomo, Inc. User equipment, base station, and communication method
US10404698B1 (en) 2016-01-15 2019-09-03 F5 Networks, Inc. Methods for adaptive organization of web application access points in webtops and devices thereof
KR20200100731A (ko) * 2017-12-27 2020-08-26 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 Srb 전송 방법 및 장치
GB2576204B (en) 2018-07-27 2021-02-17 Samsung Electronics Co Ltd Operation of automatic repeat request (ARQ)
WO2020022849A1 (en) * 2018-07-27 2020-01-30 Samsung Electronics Co., Ltd. Method and apparatus for wireless communication of wireless node in wireless communication system
CN109531569B (zh) * 2018-12-05 2021-08-31 北京爱其科技有限公司 基于支持不同电子件互连的接口的机器人
CN111835457B (zh) * 2019-08-09 2022-04-26 维沃移动通信有限公司 一种数据传输方法、接收设备及发送设备
WO2021148856A1 (en) * 2020-01-23 2021-07-29 Zeku Inc. Techniques for queueing packet data units at a medium access control layer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI105976B (fi) * 1998-02-09 2000-10-31 Nokia Networks Oy Matkaviestimen suurinopeuksinen liityntä TCP/IP-verkkoon
US6512747B1 (en) * 1998-03-05 2003-01-28 Nippon Telegraph And Telephone Corporation ATM transmission system
JP4354641B2 (ja) * 1998-04-03 2009-10-28 テレフオンアクチーボラゲット エル エム エリクソン(パブル) ユニバーサル移動電話システム(umts)におけるフレキシブル無線アクセス及びリソース割り当て
FI107686B (fi) * 1998-06-16 2001-09-14 Nokia Mobile Phones Ltd Menetelmä ja tietoliikennelaite kantajien hallintaa varten kolmannen sukupolven matkaviestinjärjestelmässä
US6359901B1 (en) * 1998-09-02 2002-03-19 General Dynamics Decision Systems, Inc. Method and apparatus for asynchronous adaptive protocol layer tuning
US6160804A (en) * 1998-11-13 2000-12-12 Lucent Technologies Inc. Mobility management for a multimedia mobile network

Also Published As

Publication number Publication date
EP1243144A1 (de) 2002-09-25
AU2377601A (en) 2001-07-16
US6857095B2 (en) 2005-02-15
KR100621150B1 (ko) 2006-09-13
DE60031167D1 (de) 2006-11-16
EP1243144B1 (de) 2006-10-04
CA2395615A1 (en) 2001-07-12
JP2003519998A (ja) 2003-06-24
JP3735067B2 (ja) 2006-01-11
ES2272350T3 (es) 2007-05-01
DE60031167T2 (de) 2007-06-21
WO2001050789A1 (en) 2001-07-12
CA2395615C (en) 2007-01-30
KR20020071908A (ko) 2002-09-13
FI110831B (fi) 2003-03-31
ATE341904T1 (de) 2006-10-15
FI19992837A (fi) 2001-07-01
US20010007137A1 (en) 2001-07-05
CN1191725C (zh) 2005-03-02
CN1437830A (zh) 2003-08-20
BR0016735A (pt) 2002-09-03

Similar Documents

Publication Publication Date Title
CA2395615C (en) Method for making data transmission more effective and a data transmission protocol
US9629036B2 (en) Method and apparatus for performing handover using packet data convergence protocol (PDCP) reordering in mobile communication system
CA2368770C (en) Packet discard notification for semi reliable retransmission protocol
US7197317B2 (en) Method and system of retransmission
US20030174662A1 (en) Control information signaling method and network element
EP2267931A2 (de) Verfahren und Vorrichtung zum Neuordnen von Protokolldateneinheiten
US20090319850A1 (en) Local drop control for a transmit buffer in a repeat transmission protocol device
JP4232978B2 (ja) Arqシステムにおける送信制御方法
TW546955B (en) Method and system of retransmission
US20030177437A1 (en) Erroneous packet data convergence protocol data unit handling scheme in a wireless communication system
Suhonen et al. Video transfer control protocol for a wireless video demonstrator
JP2010045845A (ja) 再送信の方法とシステム