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Performance Enhancement of MIMO OFDM

Published on September 2015 by H.S. Shwetha, R.N. Sathisha
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National Conference “Electronics, Signals, Communication and Optimization"
Foundation of Computer Science USA
NCESCO2015 - Number 2
September 2015
Authors: H.S. Shwetha, R.N. Sathisha
61a2f0c9-1d45-4fc8-a0da-7bb8c2496f77

H.S. Shwetha, R.N. Sathisha . Performance Enhancement of MIMO OFDM. National Conference “Electronics, Signals, Communication and Optimization". NCESCO2015, 2 (September 2015), 1-5.

@article{
author = { H.S. Shwetha, R.N. Sathisha },
title = { Performance Enhancement of MIMO OFDM },
journal = { National Conference “Electronics, Signals, Communication and Optimization" },
issue_date = { September 2015 },
volume = { NCESCO2015 },
number = { 2 },
month = { September },
year = { 2015 },
issn = 0975-8887,
pages = { 1-5 },
numpages = 5,
url = { /proceedings/ncesco2015/number2/22299-5309/ },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Proceeding Article
%1 National Conference “Electronics, Signals, Communication and Optimization"
%A H.S. Shwetha
%A R.N. Sathisha
%T Performance Enhancement of MIMO OFDM
%J National Conference “Electronics, Signals, Communication and Optimization"
%@ 0975-8887
%V NCESCO2015
%N 2
%P 1-5
%D 2015
%I International Journal of Computer Applications
Abstract

With the emergence of forthcoming broadband wireless communication, the MIMO OFDM has been recognized as one of the most promising techniques to support high information rate and spectral efficiency. This paper presents MIMO OFDM system with convolution coding technique. Here, OFDM with 64 QAM modulation is combined with Orthogonal Space Time Block Coding (OSTBC) - a MIMO technique providing diversity gain with multiple transmitter and receiver antennas. Using Matlab/Simulink, the performance of MIMO OFDM is compared for different code rates in convolution coding by varying the number of transmitter and receiver antennas like 2x2, 3x3 and 4x4 and their effects on Bit Error Rate(BER) is examined.

References
  1. Wei Zhang, Xiang-Gen Xia &Khaled Ben Letaief, "Space-time/frequency coding for MIMO-OFDM in Next generation broadband wireless systems", IEEE Wireless Communication, 2007
  2. Sandeep Kaur, Gurpreet Bharti, "Orthogonal frequency division multiplexing in wireless communications systems: A Review"International Journal of Advanced Research in Computer Engineering & Technology Volume 1, Issue 3, May 2012.
  3. Zhang jie, Liu liang, Li jin, "Performance Analysis of Space Time Block Code inMIMO-OFDM Systems", IEEE Communication Software and Networks, pp. 13-16, May 2011.
  4. V. Tarokh, N. Seshadri, and A. R. Calderbank, "SpaceTime Block Coding for Wireless Communications: Performance Results", IEEE Journal on selected areas in communications, Vol. 17, No. 3, March 1999.
  5. Luis Miguel Cortes-Pena, "MIMO Space-Time Block Coding (STBC): Simulations and results" Design Project: Personal and mobile communications, Georgia Tech (ECE6604), April 2009.
  6. Bakare Rasheed Alade, "Performance of A MIMO-OFDM System to Different Modulation Schemes in AWGN and Rayleigh Channels using Simulink", International Journal of Engineering Research Technology, Vol. 3 Issue 9, September-2014.
  7. Gede Puja Astawa, Yoedy Moegiharto, Ahmad Zainudin, Imam Dui Agus Salim, Nur Annisa Anggraeni," Performance Analysis of MIMO-OFDM Using Convolution Codes with QAM Modulation",International Journal of Electrical, Computer, Electronics and Communication Engineering Vol:7 No:12, 2013
  8. Pallavi Bhatnagar, Prof. Mukesh Tiwari, Prof. Jaikaran Singh, Prof. Sanjay Rathore, "Enhancement of OFDM System Performance with MIMO technique",International Journal of Computer Technology and Electronics Engineering, Vol-ume 1, Issue 3, 2011.
  9. Kazi Mostaq Ahmed, Satya Prasad Majumder, "Performance Analysis of a MIMO-OFDM Wireless Communication System with Convolution Coding", IEEE International Conference on Electrical and Computer Engineering, pp. 892-897, 2008.
Index Terms

Computer Science
Information Sciences

Keywords

Mimo-ofdm 64 Qam Modulation Ostbc Convolution Coding Matlab/simulink Ber.