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Evaluation of BER for AWGN, Rayleigh and Rician Fading Channels under Various Modulation Schemes

by A. Sudhir Babu, Dr. K.V Sambasiva Rao
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 26 - Number 9
Year of Publication: 2011
Authors: A. Sudhir Babu, Dr. K.V Sambasiva Rao
10.5120/3132-4317

A. Sudhir Babu, Dr. K.V Sambasiva Rao . Evaluation of BER for AWGN, Rayleigh and Rician Fading Channels under Various Modulation Schemes. International Journal of Computer Applications. 26, 9 ( July 2011), 23-28. DOI=10.5120/3132-4317

@article{ 10.5120/3132-4317,
author = { A. Sudhir Babu, Dr. K.V Sambasiva Rao },
title = { Evaluation of BER for AWGN, Rayleigh and Rician Fading Channels under Various Modulation Schemes },
journal = { International Journal of Computer Applications },
issue_date = { July 2011 },
volume = { 26 },
number = { 9 },
month = { July },
year = { 2011 },
issn = { 0975-8887 },
pages = { 23-28 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume26/number9/3132-4317/ },
doi = { 10.5120/3132-4317 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T20:12:21.444642+05:30
%A A. Sudhir Babu
%A Dr. K.V Sambasiva Rao
%T Evaluation of BER for AWGN, Rayleigh and Rician Fading Channels under Various Modulation Schemes
%J International Journal of Computer Applications
%@ 0975-8887
%V 26
%N 9
%P 23-28
%D 2011
%I Foundation of Computer Science (FCS), NY, USA
Abstract

Several transmission modes are defined in IEEE 802.11 a/b/g WLAN standards. A very few transmission modes are considering for IEEE 802.11 a/b/g in physical layer parameters and wireless channel characteristics. In this paper, we evaluated the performance of available transmission modes in IEEE 802.11b [1]. However, the performance analysis can be done straightforward using the evaluation of IEEE 802.11b. The performance of transmission modes are evaluated by calculating the probability of Bit Error Rate (BER) versus the Signal Noise Ratio (SNR) under the frequently used three wireless channel models (AWGN, Rayleigh and Rician) [2]. We consider the data modulation and data rate to analyze the performance that is BER vs. SNR. We also consider multipath received signals. The simulation results had shown the performance of transmission modes under different channel models and the number of antennas. Based on simulation results, we observed that some transmission modes are not efficient in IEEE 802.11b. The evaluation of performance confirms the increase in the coverage area of the physical layer in the 802.11b WLAN devices.

References
  1. IEEE standard for wireless LAN: Medium Access Control and Physical Layer Specification, P802.11, January 1999.
  2. Mohammaed Slim Alouini and Andrea J. Goldsmith “ Capacity of Rayleigh fading channels under different Adaptive Transmission and Diversity combining Techniques”, IEEE Transactions on Vehicular Technology, Vol. 48, No. 4, July 1999.
  3. Gary Breed, High Frequency Electronics, 2003 Summit, Technical Media LLC “Bit Error Rate: Fundamental Concepts and measurement issues”.
  4. Fumiyaki Adachi, “error Rate Analysis of Differentially Encoded and detected 16-APSK under Rician fading”, IEEE Transactions on Vehicular Technology, Vol. 45, No. 1, February 1996.
  5. Jiho Ryu, Jeong Keun Lee, Sung-Ju Lee and Taekyoung Kwon, “Revamping the IEEE 802.11a PHY Simulation Models”, MSWim’ 08, October 27-31, 2008, Vancouver, BC, Canada.
  6. A. Alimohammad, S.F.Fard, B.F.Cockburn and C.Schlegal, “Compact Rayleigh and Rician fading simulation based on random walk processes”, IET Communications, 2009, Vol. 3, Issue 8, pp 1333-1342.
  7. Yahong Rosa Zheng and Chengshan Xiao, “Simulation models with correct statistical properties for Rayleigh fading channels”, IEEE Transactions on communications, Vol. 51, No. 6, June 2003.
  8. “Quadrature Amplitude Modulation”, digital Modulation Techniques” www.digitalmodulation.net/qam.html
  9. Lightwave Magazine, September 2004 article on “Explaining those BER testing mysteries”.
  10. James E. Gilpy, Transcript International Inc., August 2003, “Bit Error Rate Simulation using Matlab”
Index Terms

Computer Science
Information Sciences

Keywords

AWGN Rayleigh Rician

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