Spectrum Sensing in Multi-user Cognitive Radio Networks

• 作者: Bin Hou Dongjing Hu Junjie Ding Tao Chen Yunxiao Zu
• 来源期刊: 通讯与网络(英文)
• 学科: 工学
• 关键词: COGNITIVE Radio SPECTRUM DETECTION Energy DETECTION Double-Threshold Fusion DECISION
• 年，卷（期）: 2013,（3）
• 页码范围: 27-30
• 页数: 4页
• 分类号: TN92

摘要

Spectrum sensing is studied for multi-user cognitive radio networks in this paper. An improved spectrum sensing method----energy-cooperative detection method is developed, which combines the double threshold energy detecting method with the “OR” fusion decision rule. The simulation is done for both AWGN channel and Rayleigh channel, and the advantages of the improved method are verified.