Performances comparison among smart antenna RAKE receiver and the other applicable RAKE receivers

Many different types of RAKE receiver have been appeared with the development of mobile telecommunication. It is necessary to evaluate their application value. In this paper, the models of DIRAKE, CORAKE and CLRAKE receiver and their specific implementations are put forward. Moreover, their performances are also discussed when MPI and MAI exist. According to the results of performance simulation, it can be found that CORAKE receiver has better performance than CLRAKE receiver, and is easier to be realized. When the beam is formed in baseband, the performance of DIRAKE receiver is influenced greatly by the change of MS´s position, which will introduce instability into the system.