3G WCDMA蜂窝网络下行软切换时功率控制的发展趋势

2012 2nd IEEE International Conference on Parallel, Distributed and Grid Computing Pub Date : 2012-12-01 DOI:10.1109/PDGC.2012.6449889

S. Aggarwal, S. K. Tomar, A. Aggarwal, S. K. Sharma

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引用次数: 10

摘要

功率控制和软切换是有效提高CDMA系统频谱效率的两种关键技术。软切换(SHO)处理移动终端的移动性，而功率控制的目的是使CDMA系统的总干扰最小化。在SHO过程中，由于至少涉及两个基站，因此功率控制过程更为复杂。在基于CDMA的系统中，软切换和功率控制表现出密切的关系。本文对3G WCDMA蜂窝网络下行软切换期间的功率控制进行了综述和批判性分析，并讨论了当前的发展趋势。

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Trends in power control during soft handoff in downlink direction of 3G WCDMA cellular networks

Power control and soft handoff are the two essential techniques for effectively increasing the spectrum efficiency in a CDMA based system. Soft handoff (SHO) handles the mobility of mobile terminals while power control aims at minimizing the total interference in a CDMA system. During SHO power control procedure is more complicated since at least two base stations are involved. Soft handoff and power control exhibit a close relationship in CDMA based systems. This paper presents an overview and critical analysis of published work in power control during soft handoff in the downlink direction of 3G WCDMA cellular networks and discusses current trends therein.

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2012 2nd IEEE International Conference on Parallel, Distributed and Grid Computing

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