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Review of MIMO-OFDM System for Time/Frequency Selective Fading Channel

Author(s):
Shekhar Rasekar , Sinhgad Institute; S.B. Mule, Sinhgad Institute

Keywords:
MIMO, OFDM, OFDM-MIMO

Abstract

Orthogonal ¬¬¬¬frequency division multiplexing (OFDM) and Multiple-Input Multiple-Output (MIMO) are the popular technique for transmission of signals over wireless channels. They individually assisting multipath fading environment and improving link reliability without sacrificing bandwidth and also provide high data rate. The combination of OFDM and MIMO seems to be the key technology in next generation high data rate wireless mobile systems. In this paper firstly, MIMO and OFDM technology is introduce. Secondly, we provide an overview of space-time (ST) coding, space-frequency (SF) coding and space-time-frequency (STF) coding techniques for MIMO-OFDM systems which improve the reliability of system further. Finally performances comparison of the different coding techniques for OFDM-MIMO system is done.

Other Details
Paper ID: IJSRDV3I50318
Published in: Volume : 3, Issue : 5
Publication Date: 01/08/2015
Page(s): 585-588

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