Performance evaluation of ofdm system using convolution code under awgn, rayleigh and rician channel

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International Journal of Development Research

Volume: 
7
Article ID: 
11343
6 pages
Research Article

Performance evaluation of ofdm system using convolution code under awgn, rayleigh and rician channel

Abdulbagi Elsanousi and Sıtkı Öztürk

Received 26th September, 2017; Received in revised form 19th October, 2017; Accepted 03rd November, 2017; Published online 29th December, 2017

Copyright ©2017, Abdulbagi Elsanousi and Sıtkı Öztürk. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract: 

Fourth-generation wireless communication system focus on two techniques which are, MIMO (Multiple Input and Multiple Output) and OFDM (Orthogonal Frequency Division Multiplexing) this paper demonstrates performance of BER of OFDM system using convolution code which used to encrypt the data stream that can be sent over communication channels, for different digital modulation schemes (8QAM, 16QAM, 32QAM and 64QAM) simulations in Matlab has been done for three different channels (AWGN , Racian and Rayleigh) , The obtained results show that 8QAM has good performance compared to other digital modulation schemes.

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