| 基于SigComp的会话初始化协议压缩算法 |
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| 引用本文： | 李秉智,杨富良.基于SigComp的会话初始化协议压缩算法[J].计算机应用,2010,30(4):881-883. |
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| 作者姓名： | 李秉智 杨富良 |
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| 作者单位： | 重庆邮电大学 |
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| 摘 要： | 独立媒体服务(IMS)是第三代合作伙伴计划(3GPP)在版本5中提出的支持IP多媒体业务的子系统，而基于文本的SIP消息过大成为其在IMS无线环境应用下的瓶颈，因此采用会话初始化协议（SIP）来建立和维护多媒体会话。在SigComp框架下，将改进后的LZSS算法与算术编码相结合对SIP信令进行压缩。实验表明新的算法有较高的压缩率，对改善IMS的SIP会话建立延时有一定的参考价值。
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| 关 键 词： | 会话初始化协议 LZSS算法 算术编码 信令压缩 |
| 收稿时间： | 2009-10-12 |
| 修稿时间： | 2009-11-24 |
SIP compression algorithm based on SigComp |
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| LI Bing-zhi,YANG Fu-liang.SIP compression algorithm based on SigComp[J].journal of Computer Applications,2010,30(4):881-883. |
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| Authors: | LI Bing-zhi YANG Fu-liang |
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| Affiliation: | College of Computer Science and Technology/a>;Chongqing University of Posts and Telecommunications/a>;Chongqing 400065/a>;China |
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| Abstract: | Independent Media Services(IMS)is a subsystem to support IP Multimedia services,working in the 3rd Generation Partnership Project(3GPP)of version 5.IMS uses Session Initiation Protocol(SIP)to establish and maintain multi-media session;however,oversized SIP message based on text is becoming a bottleneck under IMS wireless circumstances.Under the framework of SigComp,a new algorithm based on improved Lempel-Ziv-Storer-Szymanski(LZSS)algorithm and arithmetic combination was presented to compress SIP signaling.... |
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| Keywords: | Session Initiation Protocol (SIP) Lempel-Ziv-Storer-Szymanski (LZSS) algorithm arithmetic coding signaling compress |
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