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Cross-Layer Protocol Design for Effective Video Transmission in Wireless Ad hoc Networks  

Seo Jee-Young (인하대학교 정보통신대학원 멀티미디어 통신망연구실)
Cho Eun-Hee (인하대학교 정보통신대학원 멀티미디어 통신망연구실)
Yoo Sang-Jo (인하대학교 정보통신대학원)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.31, no.2A, 2006 , pp. 144-153 More about this Journal
Abstract
In this paper, we propose an efficient video data transmission protocol using the cross-layer approach in ad hoc networks. Due to node movement, the MANET is frequently changing path and each path has different transmission rate so that it has low performance when transmitters select a constant transmission late at the encoding time. Because MANET is running limited energy, efficient energy management is important because it increases network life time and network throughput. Therefore we need an effective video transmission method that considers physical layer channelstatistics, node's energy status, and network topology changes at the same time unlike the OSI recommendation protocol in that each layer isindependent and hard to transmit adaptively video data according to the network conditions. Therefore, in this paper we propose a cross-layer effective video transmission protocol and mechanism that can select an optimal path using multilayer information such as node's residual energy, channel condition and hop counts and can determine the adequate coding rate adaptively.
Keywords
Cross-layer; Ad-hoc networks; Video; Adaptive; Energy;
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