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ThinkMind // ICWMC 2012, The Eighth International Conference on Wireless and Mobile Communications // View article icwmc_2012_7_20_20430


Transmission of JPEG2000 Images in an Uplink Cellular Network with UPA and SCFDE: A System Description

Authors:
Moein Shayegannia
Sami Muhaidat
Atousa HajshirMohammadi

Keywords: JPEG2000; unequal power allocation; single carrier frequency domain equalization; space time block coding; wireless image transmission.

Abstract:
In this paper, we describe a work in progress for transmission of JPEG2000 images using an unequal power allocation algorithm and single carrier frequency domain equalization technique over a block fading frequency selective channel. The optimization algorithm exploits the hierarchical structure of the JPEG2000 images and uses a distortion model along with the channel state information for allocating optimal values of power on each coding pass to minimize the end-to-end distortion. The single carrier frequency domain equalization technique combats the negative impact of inter symbol interference and inter carrier interference in a frequency selective channel. Two antennas at the transmission terminal are utilized to evaluate the performance of our system in a multi input single output scenario using space time block coding scheme. The simulation results present that integration of the unequal power allocation technique with orthogonal frequency division multiplexing yields a higher quality than when single carrier frequency domain equalization is used instead. In addition, the transmit diversity technique enhances the peak signal to noise ratio of the received image for about 2.5 dB. These results prove that our power allocation algorithm is more compatible with orthogonal frequency division multiplexing than single carrier frequency domain equalization, and it yields spacial diversity in a multi transmitter antenna system.

Pages: 154 to 158

Copyright: Copyright (c) IARIA, 2012

Publication date: June 24, 2012

Published in: conference

ISSN: 2308-4219

ISBN: 978-1-61208-203-5

Location: Venice, Italy

Dates: from June 24, 2012 to June 29, 2012

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