OFDM SPATIAL MULTIPLEXING USAGE IN A MULTIUSER ENVIRONMENT FOR SINR ANALYSIS OF MUTUAL INFORMATION DISTRIBUTION
Journal: International Journal of Civil Engineering and Technology (IJCIET) (Vol.8, No. 10)Publication Date: 2017-10-18
Authors : SHAILENDRA KUMAR MISHRA BALAVIGNESH.V; SHUBHRA RANJANI;
Page : 876-884
Keywords : Channel State Information: Multiple-Input-Multiple-Output; Orthogonal Frequency Division Multiplexing; Spatial multiplexing.;
Abstract
Multiple-Input-Multiple-Output (MIMO) antenna technology has emerged as an effective technique for significantly improving the capacity of wireless communication systems. Multi-carrier modulation scheme can achieve high data rate in frequencyselective fading channels. Orthogonal Frequency Division Multiplexing (OFDM) may be combined with antenna arrays at transmitter and receiver to increase the diversity gain and to enhance system capacity. The system that is described in this paper is frequency selective spatially uncorrelated Rayleigh fading MIMO channel. It is considered to be an OFDM based spatial multiplexing. The paper will be dealing with mutual information distribution on the above mentioned channel. The expressions developed in this paper are valid for arbitrary number of antennas as well as for any channel length. The capacity of the multiuser MIMO-OFDM system will be plotted against Signal to Interference plus Noise Ratio (SINR) for different number of transmit and receive antennas
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