NDLI: Simulated and semi-analytical throughput evaluation for AMC-OFDMA systems

Content Provider	IEEE Xplore Digital Library
Author	Al-Janabi, M.S. Tsimenidis, C.C. Sharif, B.S. Le Goff, S.Y.
Copyright Year	2010
Description	Author affiliation: School of Electrical, Electronics and Computer Engineering, Newcastle University, Merz Court, NE1 7RU, Newcastle upon Tyne, UK (Al-Janabi, M.S.; Tsimenidis, C.C.; Sharif, B.S.; Le Goff, S.Y.)
Abstract	In this paper, we propose an efficient semi-analytical throughput evaluation strategy for an orthogonal frequency division multiple access (OFDMA) system. We compare the performance of the simulated and semi-analytical throughput values in terms of average signal to noise ratio (SNR). In the investigated system, OFDMA is combined with adaptive modulation and coding (AMC) technique based on distinct modulation and coding schemes (MCSs). The semi-analytical throughput evaluation of the proposed strategy depends on the calculation of the introduced bit error rate (BER) and the corresponding spectral efficiency based on the utilized MCS levels across fading channels. The utilized BER calculation method considers the approximated exponential formula with respect to SNR values. The transmitter of the AMC-OFDMA system divides the OFDMA frame into sub-channels depending on the detected number of users at an assigned base station (BS). The simulation results show that the simulated and semi-analytical throughput plots of the AMC-OFDMA system are converging together particularly for high SNR levels.
Starting Page	184
Ending Page	188
File Size	189533
Page Count	5
File Format	PDF
ISBN	9781424488582
e-ISBN	9781861353696
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-21
Publisher Place	United Kingdom
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Upper bound Bit error rate Modulation Throughput Mobile communication Encoding Signal to noise ratio
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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