Performance of MIMO-OFDM Systems using Differential Amplify and Forward Relaying Scheme |
Author(s): |
| Pratik J. Patel , Sankalchand Patel College of Engineering; Prof. Hitesh L Desai, Sankalchand Patel College of Engineering |
Keywords: |
| Differential Amplify -And-Forward Relaying, Time-Selective Channels, Channel Auto-Correlation, Auto-Regressive Models, Non-Coherent Detection, Performance Analysis |
Abstract |
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This paper is related with the channel estimation of differential AF relaying for OFDM-MIMO network in multi-node communication over time-selective Rayleigh fading channels. To characterize the time-selective nature of the channels, a first order auto-regressive (AR) model is used. Based on the second order statistical properties of the wireless communication channels, we implemented a new set of combining weights for signal detection at the destination side. Here, symbol-by-symbol or block-by-block dual phase transmission protocol to be used. The proposed combining weights leads to better performance compared with the conventional combining scheme. To support the analysis, different scenarios to be carried out with its simulation results. |
Other Details |
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Paper ID: IJSRDV3I30640 Published in: Volume : 3, Issue : 3 Publication Date: 01/06/2015 Page(s): 669-673 |
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