QoS-aware multihop routing in wireless sensor networks with power control using demodulation-and-forward protocol

QoS-aware multihop routing in wireless sensor networks with power control using demodulation-and-forward protocol
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使用解调和转发协议进行功率控制的无线传感器网络中的 QoS 感知多跳路由

DOI:
10.1186/1687-1499-2012-125
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发表时间:
2012-03
影响因子:
2.6
通讯作者:
Song, Lingyang
Song, Lingyang
中科院分区:
计算机科学4区
文献类型:
--
作者:
Wu, Jianjun;Ren, Shubo;Jiang, Yun;Song, Lingyang

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在本文中,我们提出了一种使用动态规划的多天线无线传感器网络的低复杂度联合功率分配和路线规划算法。传感器节点利用具有解调和转发协议的正交空时分组码。与之前通常优化所有参数的工作不同,我们将这种服务质量感知的数据包转发问题分解为两个不相交的过程:基于动态规划的路由规划和后续的自适应功率分配。仿真结果表明,所提出的协议获得了与最优结果相当的性能,并显着优于经典路由算法。
In this article, we propose a low-complexity joint power allocation and route planning algorithm for multiple antennas wireless sensor networks using dynamic programming. The sensor nodes utilize orthogonal space time block codes with demodulation-and-forward protocol. Unlike the previous work which typically optimize all the parameters, we cast this Quality-of-Service aware packet forwarding problem into two disjoint procedures: dynamic programming based route planning and subsequent adaptive power allocation. Simulation results indicate that the proposed protocol obtains comparative performance with the optimal results and significantly outperforms classical routing algorithms.
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