Study On Application Of Co-prime Sampling In 60GHz Millimeter Ware Spection Detection

60GHz millimeter-wave with its high bandwidth,fast transfer rates and is highly directional,etc.,has a broad development prospects,has become the current hot topic in the industry.60GHz millimeter-wave-based cognitive radio technology is the core of this band spectrum resource intelligent management,flexible allocation and efficient utilization.Traditional signal detection technology in this band,the presence of a high sampling frequency,the device is difficult to achieve and requires high detection performance and poor.Based Coprime sampling detection algorithm can effectively solve the problems related to the detection of high-traditional sampling frequency,the device requires high elusive and solve problems in traditional spectrum Compressive Sensing detection performance are sensitive to noise.The main research work of this paper includes the following aspects:Introduces the technical features of 60GHz millimeter-wave wireless communication systems,and analyzes the key technologies related to the development and use;questions followed the traditional correlation detection algorithm under 60GHz large volume of data,the device is difficult to achieve the requirements of high and low SNR Under the traditional spectrum compressed sensing algorithm susceptible to noise,the problem of poor detection performance made presentation;application prime sampling method can effectively reduce the sampling frequency,reducing the requirements for the device so that the device is easy to implement,while reducing the computational complexity,significantly improve the detection performance of the algorithm.For 60GHz millimeter-wave wireless communication systems signal detection problem,based on the correlation detection algorithm based on qualitative sampling and sampling of prime spectrum compressed sensing algorithm,theoretical analysis and computer simulations to verify the performance of the algorithm.Thesis is divided into six chapters,each chapter content is organized as follows:The first chapter of the background and the sense of 60GHz millimeter wave radio communication system signal detection algorithms are introduced and proposed innovation;The second chapter focuses on the characteristics of 60GHz millimeter-wave short-range communication systems,key technology,application scenarios and prospects are described in detail.The third chapter of the common signal detection algorithms are introduced,and analysis of algorithms in the problem and lead to 60GHz prime sampling.The fourth chapter focused on prime sampling of the correlation detection algorithm are described,for the principle of prime-based sampling correlation detection algorithm to do a detailed description of the sampling frequency is low,the device is easy to implement and require low computational complexity low effectively solve the traditional characteristics of the sample at a high sampling frequency,the device is difficult to achieve and requires high computational complexity of the problem is high;theoretical analysis and computer simulations were verified;The fifth chapter focused on prime sampling of the spectrum compressed sensing algorithm is explained,first of compressed sensing algorithm implementation principle of prime spectrum are described sampling algorithm effectively improve the detection performance of low SNR environment,theory analysis and computer simulation were verified;The sixth chapter is a comprehensive summary of the paper,for the next step in the future.