Design of a software defined radio receiver using FM channelizer — A case study

Abstract

Modern communication standards are constantly evolving. The main challenge in the wireless industry is to provide hardware requirements for supporting the various evolving standards and protocols to facilitate the services to end users. In such an environment, Software Defined Radio is gaining popularity. Most of the wireless standards are computationally complex and it is challenging to map them on to an architecture, with minimum resources and higher energy efficiency. This paper discusses the design of receiver structure for a software radio, using polyphase channelizer. The paper mainly focuses on the design of Frequency Modulation (FM) channelizer as a case study. Hardware complexity analysis and comparison of the channelizer for various polyphase filter structure implementations is also presented. Simulation results for polyphase channelizer are also discussed in this work.