Author(s): Bindu Handa, Anita Suman
Published in: International Journal of Engineering Research & Technology
License: This work is licensed under a Creative Commons Attribution 4.0 International License.
Volume/Issue: Volume. 6 - Issue. 06 , June - 2017
WiMAX is the shortened form of Worldwide Interoperability for Microwave Access. WiMAX is one of the most blazing broadband wireless technologies around the world. It picked up popularity in light of its efficiency, high coverage, scalability and high data rate in any field. The WiMAX is based on the Orthogonal Frequency Division Multiplexing (OFDM) transmission technique which is known for its high radio resource use efficiency. In this paper, the performance of WiMAX system has been investigated by analysing the graphs between Spectral Efficiency (SE) vs. Signal to Noise Ratio (SNR) and Bit Error Rate (BER) vs. Signal to Noise Ratio (SNR) for different modulation schemes over AWGN channel. The BER and Spectral efficiency of OFDM based WiMAX is also evaluated under different Guard time intervals as it minimizes the inter-symbol interference which in return improves the bit error rate and reduces the power spectrum. The parameters that are used in this paper are based on IEEE 802.16 standards.
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