Microsoft Word - EC 175
نویسندگان
چکیده
ISSN: 0975 – 6779| NOV 12 TO OCT 13 | VOLUME – 02, ISSUE 02| Page 838 Abstract This paper focuses on Embedded Zero Tree Wavelet coding for Image transmission over wireless channels with maximum power adaptation. The objective is to minimize total power allocated for image compression and transmission, while the power for each bit is kept at a predetermined value. In this Paper, an approach for minimizing the total power adapted in a multimedia like image due to source compression and transmission subject to a fixed bit source distortion is considered. Simulations are performed using Embedded Zero Tree Wavelet (EZW) over AWGN channel using QPSK modulation. The numerical analysis shows that optimized power methods can reduce the total Power Adapted by a significant factor and the Bit error rate is reduced considerably compared to the Conventional Power Adaptation method. EMBEDDED ZEROTREE WAVELET CODED MAXIMUM POWER ADAPTATION FOR IMAGE TRANSMISSION OVER WIRELESS CHANNELS USING LABVIEW 1 M. PADMAJA, 2 Dr. P. SATYANARAYANA, 3 K.PRASUNA Asst. Prof., ECE Dept., VR Siddhartha Engg. College, Vijayawada (A.P.), India, E-mail: Prof. and Head of EEE, Sri Venkateswara University College of Engg., Tirupati (A.P.), Asst. Prof., ECE Department, Vijaya Institute of Technology for Women, Vijayawada (A.P.), [email protected]
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