宽带CDMA无线网络的自适应速率编码

Proceedings of the IEEE SoutheastCon 2000. 'Preparing for The New Millennium' (Cat. No.00CH37105) Pub Date : 2000-04-07 DOI:10.1109/SECON.2000.845614

V. Bhaskar, L. Joiner

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引用次数: 1

摘要

在保持一定性能水平的同时优化无线系统吞吐量的一种方法是设计误差控制系统，使其提供两种或更多不同的速率码。系统使用通道状态信息来确定在任何给定时刻应该使用哪种不同的代码。为了最大限度地降低系统的复杂度，对不同码率的码采用相同的编码器和解码器。本文提出了一种比较系统对不同速率卷积码性能的方法。结果表明，在宽带CDMA系统中使用自适应码率可以获得各种信道条件下的最优码率和吞吐量增益。

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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Adaptive rate coding for wideband CDMA wireless networks

One method of optimizing throughput for a wireless system while maintaining a certain level of performance is to design the error control system so that it offers two or more different rate codes. The system uses channel-state information to determine which of the various codes should be used at any given moment. In order to minimize system complexity, the same encoder and decoder are used for the different rate codes. This paper presents a method of comparing the performance of the system for different rate convolutional codes. The results show the optimal code rate for various channel conditions and the gain in throughput by using adaptive rate codes in a wideband CDMA system.

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Proceedings of the IEEE SoutheastCon 2000. 'Preparing for The New Millennium' (Cat. No.00CH37105)

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