计算机科学 ›› 2018, Vol. 45 ›› Issue (9): 156-160.doi: 10.11896／j.issn.1002-137X.2018.09.025
朱江, 马骁, 尹耀虎
ZHU Jiang, MA Xiao, YIN Yao-hu
摘要： 在分布式多信道接入认知无线网中,针对用户获取环境信息不对称导致资源分配冲突的问题,根据非授权用户对信道状态判决结果的相关性,提出一种基于隐马尔可夫的多信道功率博弈机制。该机制选取合理的价格函数和有效地抑制非授权用户的自私行为,实现了非授权用户之间的频谱共享,并使其对信道上其他用户是否参与博弈进行推测,以获得较准确的博弈信息,从而选择更优的发射功率。仿真表明,该机制能使系统获得更高的有效容量,同时保证更多的用户达到速率需求。
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