CSS Performance Analysis and Optimization Based on Soft Decision Fusion
Aiming at the problem that soft merge collaborative spectrum sensing based on data fusion occupies a large amount of communication resources,a collaborative spectrum sensing scheme based on soft decision fusion is proposed.This scheme derives the detection performance expression,and gives an optimized collaborative spectrum sensing algorithm based on the NP criterion to maximize the detection rate.Analysis and simulation results show that collaborative sensing based on soft decision fusion can effectively save system resources compared with collaborative sensing based on data fusion,and the proposed optimization algorithm can effectively improve detection performance.
万方数据
维普
