TITLE: 
                        
                            Spectrum Sensing in Multi-user Cognitive Radio Networks
                                
                                
                                    AUTHORS: 
                                            Yunxiao Zu, Tao Chen, Junjie Ding, Bin Hou, Dongjing Hu 
                                                    
                                                        KEYWORDS: 
                        Cognitive Radio; Spectrum Detection; Energy Detection; Double-Threshold; Fusion Decision 
                                                    
                                                    
                                                        JOURNAL NAME: 
                        Communications and Network,  
                        Vol.5 No.3C, 
                        November
                                                        7,
                        2013
                                                    
                                                    
                                                        ABSTRACT: 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.