Performance of Convolutional Coded OFDM in Multipath Channel

G, Ramesh (2013) Performance of Convolutional Coded OFDM in Multipath Channel. Masters thesis, Indian Institute of Technology Hyderabad.

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Abstract

Wimax and 4G-LTE are the two Promising Technologies proposed to provide high data rates around 100 Mbps. So as to satisfy the multimedia services demands from increasing mobile users. Both these Technologies employs OFDM modulation and Multiple Antenna Technology to achieve high data rates. Data in general will be coded before transmitted through wireless channel. So as to reduce the reception errors i.e. signal is channel coded to minimize the BER. This thesis evaluates the performance of coded OFDM scheme and studies how coded OFDM performs better with respect to BER than non-coded OFDM. In this thesis Convolution coding scheme was employed at the transmitter side and Viterbi decoder at Receiver end. over a slow varying Rayleigh channel. BPSK is used to modulate the incoming data symbols and results are validates via simulator.

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