DESIGN AND IMPLEMENTATON OF A RECONFIGURABLE WIRELESS BROADBAND MODEM

Abstract

Conventional communication systems use hardware components for signal modulation/demodulation, filtering, encoding, spread sequence etc. This increases the complexity and size of a system as the implementation of each additional communication standard requires a dedicated hardware. Software Defined Radio is an emerging technology which removes these limitations and provides future proof solutions to the wireless networks making them very flexible. The objective of this project is to develop a prototype wireless broadband modem by using the concepts of Software Defined Radio (SDR) technology on a FPGA platform. The user will be able to interact with the modem using the Ethernet interface to select the parameters like modulation scheme, encoding scheme, frequency, etc used for communication. The proposed reconfigurable platform will allow the user to change different parameters of a wireless standard, to switch between different wireless standards and to perform real-time testing of new standards without the need for additional hardware.