| 一种适用于无线网络流媒体传输的改进TFRC协议 |
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| 引用本文： | 袁浩,杜茂康,李昌兵.一种适用于无线网络流媒体传输的改进TFRC协议[J].哈尔滨理工大学学报,2011,16(2):40-43. |
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| 作者姓名： | 袁浩 杜茂康 李昌兵 |
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| 作者单位： | 重庆邮电大学电子商务与现代物流实验室,重庆,400065 |
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| 基金项目： | 国家自然科学基金(60703035); 重庆市科委自然科学基金(CSTC2009BB2288) |
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| 摘 要： | 大多数无线网络的TCP友好拥塞控制算法都是利用单向时延ROTT的值判断网络状态的,但这种方法ROTT抖动对算法的影响很大,并且无法区分无线误码丢包和拥塞丢包,使得网络吞吐量大大降低,造成发送速率极不稳定.为保证无线网络中多媒体数据的传输质量,本文提出了一种适用于无线网络的流媒体传输的改进TFRC机制,采用方差机制确定网...
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| 关 键 词： | 无线网络 流媒体 TFRC机制 拥塞控制 ROTT抖动 |
Improve TFRC Mechanism for Streaming Media in Wireless Network |
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| YUAN Hao,DU Mao-kang,LI Chang-bing.Improve TFRC Mechanism for Streaming Media in Wireless Network[J].Journal of Harbin University of Science and Technology,2011,16(2):40-43. |
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| Authors: | YUAN Hao DU Mao-kang LI Chang-bing |
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| Affiliation: | YUAN Hao,DU Mao-kang,LI Chang-bing (Laboratory of Electronic Commerce and Modern Logistics,Chongqing University of Posts and Telecommunications,Chongqing 400065,China) |
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| Abstract: | Most of TCP friendly congestion control algorithms of the wireless network use the value of one-way delay to determine ROTT network status,but in these algorithms ROTT jitter greatly influences the algorithm and can not distinguish the wireless error packet loss and congestion packet loss.This makes the network throughput significantly reduced,resulting in sending rate highly volatile.In order to ensure multimedia data transmission quality of the wireless network,this paper proposes a suitable wireless netw... |
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| Keywords: | wireless network streaming media TFRC mechanism congestion control ROTT jitter |
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