Exploiting mobility diversity in rate adaptive CDMA networks

被引：0

作者：

Papadaki, Katerina

Friderikos, Vasilis

Aghvami, Hamid

机构：

[1] LSE, Dept Operat Res, London WC2A 2AE, England

[2] KCL, Ctr Telecommun Res, London, England

来源：

COMPUTERS & ELECTRICAL ENGINEERING | 2006年 / 32卷 / 1-3期

关键词：

multi-rate CDMA; wireless packet multiple access; power efficiency; mobility awareness;

D O I：

10.1016/j.compeleceng.2006.01.009

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

An augmented model to greedy multi-rate power control schemes is proposed that integrates mobility information to increase the optimization margins of power efficient packet transmission. The proposed model can be considered as a hierarchical multi-rate power control scheme, where current rate allocation decisions are influenced by a larger time horizon that contains information about directionality and velocity of vehicular mobile users. In this paper we integrate the mobility aware algorithm with a greedy channel rate allocation scheme to illustrate its effectiveness. Numerical investigations show that required power per transmitted packet can be reduced on average by 40% without penalizing throughput. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：65 / 77

页数：13

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