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MIMO Self-Heterodyne OFDM using SCP with Noise
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 164 - Number 7 |
| Year of Publication: 2017 |
| Authors: V. Prasanthi, CH. Rama Krishna |
10.5120/ijca2017913514
|
V. Prasanthi, CH. Rama Krishna . MIMO Self-Heterodyne OFDM using SCP with Noise. International Journal of Computer Applications. 164, 7 ( Apr 2017), 10-13. DOI=10.5120/ijca2017913514
Abstract
Heterodyning, also known as frequency conversion, used widely in communication engineering to generate new frequencies and move information from one frequency channel to another. In this paper, we are proposing a multiple-input multiple-output (MIMO) self-het OFDM with the adaptive smart carrier position (SCP) technique. At the transmitter, a space-time block code (STBC) is used to produce the coded information symbols to be transmitted on each antenna over the self-het OFDM subcarriers. At the receiver, a simple non-linear detection is adopted at each receiver communication side. The achievable diversity order of such setting is analyzed, and it is found that with the adaptation of SCP technique, the diversity loss in comparison to the conventional coherent MIMO-OFDM can be compensated. Our approach helps in minimising the error floor, phase noise and fading occuring at the reciever.
References
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