SpectrumSensing.zip - Abstract：Spectrum Sensing is one of the key
technologies in cognitive radio．This article summarize$
the latest development in the field．ana—
lyzes the performance of detection algorithm for
physical layer and its detection policies，examining
the solution for improving the efficiency of
MAC layer detection using the tragic feature of
allthorized USel葛，and discusses about the data
fusion and decision in multi—user collaboration
detection．Based on the above aspects，this article
proposes the topics for further research．,2010-02-18 15:56:02,下载29次
EnergyDetectionAlgorithmInvestigationBasedonCooper - ：该文首先研究了单认知用户能量检测算法的检测性能和检测灵敏度与检测时长和噪声短时间内平均功率波
动性之间的关系，得出检测性能和检测灵敏度随噪声短时间内平均功率波动性的增大而急剧下降的结论，在低信噪
比时尤为明显；针对检测性能和检测灵敏度随噪声短时间内平均功率波动性的增大而急剧下降，提出了基于多用户
协同能量检测算法。,2010-02-17 23:41:02,下载51次