Cooperative communication means wireless nodes can help each other for communication. In this paper, study of cooperative wireless communication is done and proposes a cooperative system with different relay selection modes for the better error rate performance of the cooperative communication system. The cooperative relay network is the integrated part of the long distance communication system and the optimum performance of it makes communication reliable as well as improves better quality of service. In this paper, the authors have simulated the cooperative relay network with four different relay selection modes having harmonic and maximum values with or without collaboration.