1Amr Sayed Hassan, 2 Mohsen M. Tantawy, 2Bahnasy M. nossier
1National Telecom.Regulatory Authority (NTRA)
2 National Telecom. Institute
WIMAX is one of Broadband Wireless Access (BWA) which offers high speed voice, video
and data services for the “last mile,” which is presently dominated by the cable and digital
subscriber line (DSL) technologies. The biggest advantage BWA has over its wired
competitors is its increased capacity and ease of deployment, since networks can be created in
just weeks by deploying a small number of base stations on buildings or poles to create highcapacity
wireless access systems. The biggest obstacles for WIMAX deployment are the cost
of the customer premises equipment (CPE) and the overall performance of the system .
The objective of this research to is to model and simulate the WIMAX OFDM physical layer
 and to test radio channels, by means of simulations the performance, in terms of BER (Bit
Error Rate) as a function of Eb/N0.