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基于压缩感知的拥塞控制机制

DOI: 10.13195/j.kzyjc.2014.0094, PP. 246-250

Keywords: 无线传感网络,拥塞控制,压缩感知,速率调节

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Abstract:

针对无线传感网络(WSN)的拥塞问题,提出一种压缩感知与速率控制相结合的拥塞缓解方法.针对局部拥塞,通过开环逐条反压机制调整上游节点的发送速率,从而快速缓解局部拥塞;针对全局拥塞,各节点采用压缩感知的方法采集数据,减小采集信息的冗余,从而缓解全局性拥塞.拥塞缓解后,节点正常采样,以此来保证数据的真实度.仿真结果表明,该方法对WSN的拥塞具有较好的控制效果.

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