复合衰落信道下C-CSS性能参数关系研究The Relationship Among the C-CSS Performance Parameters over Composite Fading Channels
贺文丽,李美玲,董增寿,梁杰
摘要(Abstract)：
以概率的形式推导了感知信道为复合衰落信道且报告信道存在衰落时C-CSS检测率和虚警率的表达式,设计使得次系统容量最大化的优化算法,并通过仿真说明复合衰落信道下的次系统容量与SU数、检测门限值、PU存在概率、报告错误概率及其他参数的关系。仿真结果表明,采用优化算法不仅可以抵抗复合衰落信道,实现利用较少的SU数实现较高的次系统容量,节约系统资源;还可以缓减复合衰落信道高误码率和PU存在概率低下对次系统容量的影响。
关键词(KeyWords)： 复合衰落信道;次系统容量;PU存在概率;错误传输概率
基金项目(Foundation): 国家自然科学基金资助项目(41272374);; 山西省青年科技研究基金(2014021021-2)
作者(Author): 贺文丽,李美玲,董增寿,梁杰
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