Performance Evaluation of Ofdm System
Rashmi Mishra1, Baibaswata Mohapatra2
1Ms. Rashmi Mishra is an M. Tech student in Rungta College of Engineering and Technology (RCET), Bhilai (C.G.), India.
2Dr. Baibaswata Mohapatra is Associate Professor in Rungta College of Engineering and Technology, Bhilai (C.G.), India.
Manuscript received on january 17, 2012. | Revised Manuscript received on February 05, 2012. | Manuscript published on February 29, 2012. | PP: 53-56 | Volume-1 Issue-3, February 2012. | Retrieval Number: C0191021312/2011©BEIESP

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Abstract: Orthogonal frequency division multiplexing (OFDM) is a special segment of multi carrier transmission system, which has found its application in numerous wire-less and wired systems. In an OFDM scheme, a large number of orthogonal, overlapping, narrow band sub-channels or subcarriers, transmitted in parallel, divide the available transmission bandwidth. The separation of the subcarriers is theoretically minimal, so that there is a very compact spectral utilization. This paper presents the overview and then the performance evaluation results of an OFDM system, in terms of BER. The results presented in the paper are based on computer simulations performed using MATLAB; a highly efficient tool for different applications.
Keywords: OFDM, BER