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In this paper we have shown the performance analysis of DS-CDMA wireless communication system with and without Rake Receiver for multiple input using MATLAB simulator. It could satisfy the next generation requirement of multiple input environments. Here we use a simulator which simulates the multiple input waveform signals in the form of channels or fingers through wireless towards the Rake Receiver which will follow through the DS-CDMA technique due to its performance.As we know the CDMA is an excellent technique to analyze the cellular systems. The simulator will give the tremendous functional ideas about the different values of the design option.Here, the backbone of this system is a Matiab Simulator. As nowadays this becomes the iconic tradition to do the analysis.The effective method of system modeling is used to speed up the simulations. With the help of simulator we get the variations in the system parameters due to its different inputs. The transmitted data and the received data can be analyzed in the form of signal waveforms and channels. We can also analyze the input data with Rake and without Rake for different attenuation factor with Bit error rate.

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