基于dsp的ADSL反信道收发样机研究

Proceedings of ICASSP '94. IEEE International Conference on Acoustics, Speech and Signal Processing Pub Date : 1994-04-19 DOI:10.1109/ICASSP.1994.390020

A. Gottlieb

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引用次数: 1

摘要

非对称数字用户线(ADSL)是一种新兴技术，用于在本地环路工厂中通过单个铜双绞线传输非对称ds1速率业务。上行低比特率控制信道是ADSL系统的关键组成部分之一。描述了低比特率上行控制通道的结构和实验室实现。首先对系统进行计算机建模，然后围绕可编程数字信号处理芯片(DSP)(如TI TMS320C40)实现发送/接收。实验结果表明，该系统可用于18 kft.>的环路

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A DSP-based research prototype reverse channel transmitter/receiver for ADSL

Asymmetric digital subscriber line (ADSL) is an emerging technology for the transport of asymmetric DS1-rate services over a single copper twisted-pair in the local loop plant. One of the key ingredients to the ADSL system is the upstream low bit-rate control channel. The architecture and laboratory implementation of the low bit-rate upstream control channel is described. The system was first computer modeled, and then the transmitter/receiver were implemented around programmable digital signal processing chips (DSP) such as the TI TMS320C40. Experimental results indicate that the system is functional to loops of 18 kft.<>

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Proceedings of ICASSP '94. IEEE International Conference on Acoustics, Speech and Signal Processing

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