路径损耗信道无线传感器网络中FSK和PPM的调制优化
摘要
在无线传感器网络技术研究中,如何节省电池的能量是一个关键问题．基于频移键控(FSK)和脉冲位置调制(PPM)两个正交节能调制方案的理想化和实际电池能耗,借助于理论分析和数值搜索方法,以实际电池能耗最小化为目标,文中对FSK和PPM方案的调制参数在无线路径损耗信道中进行了优化．结果表明,这两种正交调制方案有截然不同的优化特性,但参数优化后它们的整体节能性能都非常显著．
基金
国家自然科学基金资助项目(批准号:10374051)
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