Wireless SPIHT-encoded image transmission employing hierarchical modulation: A DSP implementation

Proceedings of the ... IEEE International Symposium on Signal Processing and Information Technology. IEEE International Symposium on Signal Processing and Information Technology Pub Date : 2013-12-01 DOI:10.1109/ISSPIT.2013.6781929

Martin Zamkotsian, K. Peppas, George Fovakis, F. Lazarakis, A. Alexandridis, K. Dangakis, P. Cottis

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引用次数: 3

Abstract

In this paper, the performance of wireless transmission of SPIHT-encoded images employing Hierarchical Quadrature Amplitude Modulation (HQAM) is investigated with an experimental test-bed. Two Texas Instruments (TI) Digital Starter Kits (DSK), each one equipped with the floating point DSP chip TMS320C6713, are employed for the system testing, one for the transmitter and one for the receiver. The digital signal processing that formats the information data in preparation for transmission as well as the digital signal processing that recovers the information data at the receiver site are described in detail. Various results measuring bit error rates and peak signal-to-noise ratios are presented to demonstrate the performance of the experimental setup under various channel conditions, for different values of the modulation parameters.

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采用分层调制的无线spiht编码图像传输:一个DSP实现

本文在实验平台上研究了分层正交调幅(HQAM)技术在spiht编码图像无线传输中的性能。两个德州仪器(TI)数字入门套件(DSK)，每个配备浮点DSP芯片TMS320C6713，用于系统测试，一个用于发射器，一个用于接收器。详细描述了为准备传输而对信息数据进行格式化的数字信号处理以及在接收端恢复信息数据的数字信号处理。本文给出了各种误码率和峰值信噪比的测量结果，以证明实验装置在各种信道条件下，在不同的调制参数值下的性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Proceedings of the ... IEEE International Symposium on Signal Processing and Information Technology. IEEE International Symposium on Signal Processing and Information Technology

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