计算机科学 ›› 2016, Vol. 43 ›› Issue (8): 55-59.doi: 10.11896/j.issn.1002-137X.2016.08.011
武航,钱丽萍,陈庆章
WU Hang, QIAN Li-ping and CHEN Qing-zhang
摘要： 针对蜂窝网络中的功耗优化问题,研究了如何最小化两跳中继蜂窝网络的系统总功耗。首先根据信道传输功率的闭合表达式得到满足信道最小中断概率情况下的最优链路传输功率,然后通过使用基于Acknowledgement的分布式拍卖算法(DAA-ACK)和改进的分布式拍卖算法(IDAA)帮助用户节点选择合适的中继基站。仿真结果显示,这两种算法仅需要用户节点与邻居中继基站交换少量信息,并可通过有限次迭代快速选择出使系统总功率最小的中继节点。
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