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中文摘要：
为显著提高系统吞吐量,提出一种新的具有编码意识的判据（ECTX）用于无线路由,在路由阶段,首先根据路由发现找到编码机会及基于优化的编码节点,再根据统计获得的无线链路信道信息,充分考虑无线广播特性,使用能体现网络编码性能优势的判据进行路由选择.使用C＋＋实现性能仿真,结果表明,该机制在无线多跳网络中,能有效地增强节点对数据的处理能力,相比于不使用网络编码的系统,具有5%-20%的系统吞吐量增益.
英文摘要：
To improve network spectral efficiency, a network coding-aware metrics for wireless routing expected coding-aware transmission count （ECTX） is proposed. In general, there are two steps in cod- ing-aware routing communication： one is finding coding opportunity and network-coded node in the routing discovery phase, the other is determining the optimum path from the coding-available paths and the coding-unavailable ones. The expected coding-aware transmission count fairly quantifies the network coding gain while considering the wireless transmission conditions. We implement the ECTX routing in wireless mesh system in C ＋ ＋ and conduct extensive evaluation. Simulation results illustrate that, compared with the ones which oblivious of coding gains using, the transmission efficiency can be sharply increased in the whole network and achieves 5 %-20 % throughput gains.
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