Research Paper | Electronics & Communication Engineering | India | Volume 4 Issue 7, July 2015
Evaluating the Performance of MIMO-OFDM System Based On Modified Newton Method for Semi-Blind Equalizer
Harshal S. Pawar, Meeta Bakuli
In this paper, modern wireless broadband communication system like Multiple Input Multiple output (MIMO) combined with Orthogonal Frequency Division Multiplexing (OFDM).It employ High data rate, better spectral efficiency and high throughput quadrature amplitude modulation (QAM). MIMO-OFDM is popular because of its good quality data transmission rate and its sturdiness against multipath fading. This communication system provides unfailing communication & wide coverage. The main challenge to MIMO-OFDM system is to rescue of the Channel State Information (CSI) perfectly and coordinated between transmitter & receiver. Channel estimation technique based on semi-blind equalizer for Multiple Inputs Multiple Output (MIMO) for Rayleigh fading channel is proposed in this paper. An Modified Newton Method (MNM) for minimizing the established cost function and it has much low computational complexity than Newton method. The performance evaluation of channel estimation for semi-blind equalizer is carried out with Modified Newton Method (MNM) through matlab simulation. The performance of channel estimation techniques MNM is evaluated and results are demonstrate, it has better performance than gradient-Newton (GN) -based concurrent constant modulus algorithm (CMA) with SDD scheme (GNCMA+SDD).
Keywords: MIMO-OFDM, QAM, MNM, MMA, SDD
Edition: Volume 4 Issue 7, July 2015
Pages: 1764 - 1766
How to Cite this Article?
Harshal S. Pawar, Meeta Bakuli, "Evaluating the Performance of MIMO-OFDM System Based On Modified Newton Method for Semi-Blind Equalizer", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=SUB156855, Volume 4 Issue 7, July 2015, 1764 - 1766
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