Capacity performance analysis for multi-service CDMA cellular systems

被引：0
|
作者：
Wang, Y [1 ]
Li, SQ [1 ]
Li, LM [1 ]
机构：
[1] Univ Elect Sci & Technol China, Natl Commun Lab, Chengdu 610054, Peoples R China
来源：
2002 INTERNATIONAL CONFERENCE ON COMMUNICATIONS, CIRCUITS AND SYSTEMS AND WEST SINO EXPOSITION PROCEEDINGS, VOLS 1-4 | 2002年
关键词：
CDMA; multi-service; capacity; shadowing; power control;
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
The 3G mobile communication systems based on CDMA technique are expected to provide multi-services to mobile users. This paper presents a comprehensive analysis on the capacity performance of both uplink and downlink of a multi-service CDMA cellular system. For uplink, the statistics of the interference at the base station can well be approximated by a Lognormal distributed random variable, and capacity performance is analyzed through mathematical approximation method. For downlink, the distribution of the interference at the mobile user's receiver is hard to gain, thus computer simulation method is used to investigate the capacity performance An addition, the impact of the shadowing, power control error and orthogonality factor on the system capacity performance are evaluated.
引用
收藏
页码：206 / 210
页数：5
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