Software Defined Radio Waveform Development Feasibility Using MATLAB

Software Defined Radio (SDR) represents a class of radio systems that are substantially defined in software and in which physical layer behavior can be significantly altered through software. SDR mainly comprises of a digital baseband processor, a digital front end followed by RF front end. The waveform in software defined radio is considered as an important application that fulfills the function of communication. This research is based on waveform designing for SDR, particularly focused on implementation of digital baseband modem with digital front end. The main focus is to provide a system level design methodology of a waveform to provide a benchmark to designers for actual implementation in hardware. Computer simulations completely demonstrate the performance of designed model in presence of Additive White Gaussian Noise (AWGN) and Rayleigh fading. Synchronization and channel equalization algorithms are implemented to compensate the channel delay and distortions in received signal. The performance of the system is measured in terms of bit error rate (BER).