%0 Journal Article
%T An Adaptive Header Compression Scheme in Wireless Multimedia Sensor Networks<br>无线多媒体传感器网络中一种自适应的报头压缩机制
%A ZHOU Xin-Yun
%A SUN Li-Min
%A HUANGFU Wei
%A NIU Jian-Wei
%A <br>周新运
%A 孙利民
%A 皇甫伟
%A 牛建伟
%J 软件学报
%D 2007
%I 
%X Wireless multimedia sensor networks(WMSNs) transfer information-intensive data(e.g. audio,video,image) ,so it is necessary to utilize wireless channel efficiently. Header compression is a useful mechanism which can reduce the amount of data transferred and can improve channel utilization efficiency. Based on the characteristics of WMSNs,an advanced adaptive header compression(AAHC) scheme is proposed,which adjusts the parameters of compression algorithm according to the exact estimation of wireless channel state and adopts UDP(user datagram protocol) Lite as its transport layer protocol. This scheme can get high compression ratio and error-resistant robustness at the same time. The simulation results show that AAHC scheme outperforms the traditional ROHC(robust header compression) scheme and CRTP(compressed RTP) scheme.
%K UDP(user datagram protocol) Lite<br>无线多媒体传感器网络
%K 报头压缩
%K W-LSB(window-based
%K least
%K significant
%K bits)编码
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=7735F413D429542E610B3D6AC0D5EC59&aid=56E8DD0858F9E2BD&yid=A732AF04DDA03BB3&vid=13553B2D12F347E8&iid=94C357A881DFC066&sid=7D34DED3F877BD2D&eid=2C195A225F9C61A0&journal_id=1000-9825&journal_name=软件学报&referenced_num=6&reference_num=24