无线电通信技术Issue(4)：24-26,76,4.
非固定样本数的链型协作频谱检测算法
Link Cooperative Spectrum Sensing Algorithms Based on the Unfixed Number of Samples
摘要
Abstract
Energy Detection (ED )is popularly used in cognitive radio because of its simple structure and low computational complexities.However,ED needs longer sensing period to achieve the target detection performance in the low SNR environment,as a result,the system throughput decreases.The sequential detection spends less detection time because it needn’t fixed number of samples. The simulation results show that the improved link cooperative spectrum sensing algorithms can reduce the sensing user’s sensing time. In addition,considering uncertainty of the reporting channel,our scheme can shorten the reporting time.关键词
感知无线电/序列检测/能量检测Key words
cognitive radio/sequential detection/energy detection分类
信息技术与安全科学引用本文复制引用
张伟,赵艳丽,胡小峰..非固定样本数的链型协作频谱检测算法[J].无线电通信技术,2014,(4):24-26,76,4.基金项目
国家自然科学基金 （）
