JP5117512B2 - 再送回数を動的に適合させる方法及び装置 - Google Patents
再送回数を動的に適合させる方法及び装置 Download PDFInfo
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- JP5117512B2 JP5117512B2 JP2009550186A JP2009550186A JP5117512B2 JP 5117512 B2 JP5117512 B2 JP 5117512B2 JP 2009550186 A JP2009550186 A JP 2009550186A JP 2009550186 A JP2009550186 A JP 2009550186A JP 5117512 B2 JP5117512 B2 JP 5117512B2
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- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements 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
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1887—Scheduling and prioritising arrangements
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- Signal Processing (AREA)
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- Compression Or Coding Systems Of Tv Signals (AREA)
- Communication Control (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Description
ネットワークを経由して、異なる特性を有するリアルタイム性データのパケットを送信する送信装置で用いる再送方法であって、
前記各パケットの特性を分類するステップと、
分類した前記各特性に応じた、前記各パケットに対する再送制限回数を割り当てるステップと、
前記割り当てられた再送制限回数にしたがって、前記各パケットを再送するステップと
を含むことを特徴とする。
前記ネットワークの状態を推定するステップを更に含み、
前記再送制限回数を割り当てるステップは、前記分類した前記各特性と、推定したネットワーク状態と、に基づいて前記各パケットに対して再送制限回数を割り当てることを特徴とする。
ネットワークを経由して、異なる特性を有する複数のパケットを含むリアルタイム性データを送信する送信装置であって、
前記各パケットの特性を分類し、分類した各特性に応じて、前記各パケットに対して再送制限回数を割り当てる制御部と、
割り当てられた再送制限回数にしたがって、前記各パケットの再送を行う送信部と、
を含むことを特徴とする。
前記制御部は、
前記ネットワークの状態を推定し、
前記分類した各特性と、推定したネットワークの状態と、に基づいて前記各パケットに対して再送制限回数を割り当てる
ことを特徴とする。
L=1−(1−p)n
L1=1−(1−p)np
Claims (2)
- 複数のネットワークを経由して、異なる特性を有するリアルタイム性データのメッセージを構成するパケットを送信する送信装置で用いる再送方法であって、
前記各パケットの特性を分類するステップと、
前記複数のネットワークの状態を推定するステップと、
前記各パケットに対する再送制限回数を割り当てるステップと、
前記割り当てられた再送制限回数にしたがって、前記各パケットを再送するステップと、
を含み、
前記再送制限回数を割り当てるステップは、
推定した前記ネットワークの状態、および前記メッセージのサイズに基づいて、前記リアルタイム性データにかかる再送制限回数をパラメータとした受信成功確率を決定し、
決定した前記受信成功確率、および分類した前記各特性に対応する望ましい受信成功確率に基づいて、前記再送制限回数を動的に変更することを特徴とする、再送方法。 - 複数のネットワークを経由して、異なる特性を有するリアルタイム性データのメッセージを構成するパケットを送信する送信装置であって、
前記各パケットの特性を分類し、前記複数のネットワークの状態を推定し、前記各パケットに対して再送制限回数を割り当てる制御部と、
割り当てられた再送制限回数にしたがって、前記各パケットの再送を行う送信部と、を備え、
前記制御部は、
推定したネットワークの状態、および前記メッセージのサイズに基づいて、前記リアルタイム性データにかかる再送制限回数をパラメータとした受信成功確率を決定し、
決定した前記受信成功確率、および分類した前記各特性に対応する望ましい受信成功確率に基づいて、前記再送制限回数を動的に変更することを特徴とする、送信装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2009/006299 WO2011064810A1 (en) | 2009-11-24 | 2009-11-24 | Method and apparatus for dynamically adapting the number of retransmissions |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012504352A JP2012504352A (ja) | 2012-02-16 |
JP5117512B2 true JP5117512B2 (ja) | 2013-01-16 |
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JP2009550186A Active JP5117512B2 (ja) | 2009-11-24 | 2009-11-24 | 再送回数を動的に適合させる方法及び装置 |
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JP (1) | JP5117512B2 (ja) |
WO (1) | WO2011064810A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9306824B2 (en) | 2013-09-11 | 2016-04-05 | Panasonic Intellectual Property Management Co., Ltd. | Communication control apparatus, communication control method, and computer-readable non-transitory recording medium |
US9515778B2 (en) | 2013-09-11 | 2016-12-06 | Panasonic Intellectual Property Management Co., Ltd. | Communication control apparatus, communication control method, and computer-readable non-transitory recording medium |
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EP2752772A4 (en) * | 2011-09-21 | 2015-03-25 | Nec Corp | CONTENT DISTRIBUTION SYSTEM, CACHE SERVER, AND CONTENT DISTRIBUTION METHOD |
WO2013120074A1 (en) * | 2012-02-11 | 2013-08-15 | Vid Scale, Inc. | Method and apparatus for video aware hybrid automatic repeat request |
JP5947631B2 (ja) * | 2012-06-15 | 2016-07-06 | 三星電子株式会社Samsung Electronics Co.,Ltd. | 受信装置及び受信装置用プログラム |
JP2014003359A (ja) * | 2012-06-15 | 2014-01-09 | Samsung Electronics Co Ltd | 映像データをストリーム型データ転送するために用いられるデータ転送システム及びデータ転送システムに用いられる送信装置、受信装置及びプログラム |
US10412553B2 (en) | 2014-06-30 | 2019-09-10 | Sony Corporation | Wireless communication apparatus, wireless communication method, and program for using a threshold to control multicast retransmission |
WO2020097871A1 (zh) * | 2018-11-15 | 2020-05-22 | 深圳市欢太科技有限公司 | 数据传输方法及相关产品 |
US10992583B1 (en) | 2019-10-07 | 2021-04-27 | Ford Global Technologies, Llc | Opportunistic packet retransmissions |
Family Cites Families (9)
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JPH09191314A (ja) * | 1996-01-10 | 1997-07-22 | Mitsubishi Electric Corp | 連続データ伝送方法および連続データ伝送装置 |
JPH10262256A (ja) * | 1997-03-18 | 1998-09-29 | Canon Inc | 画像通信装置、画像通信方法および無線画像通信システム |
JP3450771B2 (ja) * | 1998-11-30 | 2003-09-29 | 松下電器産業株式会社 | データ伝送方法,及びデータ送信装置 |
WO2003005674A1 (en) * | 2001-07-06 | 2003-01-16 | Sharp Kabushiki Kaisha | Packet communication method, communication system, communication apparatus, communication program and recording medium containing communication program |
KR20050104381A (ko) * | 2003-02-21 | 2005-11-02 | 코닌클리즈케 필립스 일렉트로닉스 엔.브이. | 무선 네트워크를 통한 스케일가능 비디오의 전력 효율적인송신 방법 및 시스템, 프로그램 제품 |
JP2005244667A (ja) * | 2004-02-26 | 2005-09-08 | Sanyo Electric Co Ltd | 通信装置および通信方法 |
EP1780954A1 (en) * | 2004-07-20 | 2007-05-02 | Pioneer Corporation | Information communication device, information communication method, and program |
JP2007143113A (ja) * | 2005-10-19 | 2007-06-07 | Matsushita Electric Ind Co Ltd | 送受信システム、送信装置、および送信方法 |
JP2008271378A (ja) * | 2007-04-24 | 2008-11-06 | Matsushita Electric Ind Co Ltd | 映像監視装置 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9306824B2 (en) | 2013-09-11 | 2016-04-05 | Panasonic Intellectual Property Management Co., Ltd. | Communication control apparatus, communication control method, and computer-readable non-transitory recording medium |
US9515778B2 (en) | 2013-09-11 | 2016-12-06 | Panasonic Intellectual Property Management Co., Ltd. | Communication control apparatus, communication control method, and computer-readable non-transitory recording medium |
US9660767B2 (en) | 2013-09-11 | 2017-05-23 | Panasonic Intellectual Property Management Co., Ltd. | Communication control apparatus, communication control method, and computer-readable non-transitory recording medium |
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JP2012504352A (ja) | 2012-02-16 |
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