Optimal distance estimation for the spectral efficiency of an hybrid cellular DS/SFH CDMA System

被引：2
|
作者：
Varzakas, P. [1 ]
机构：
[1] Univ Athens, Dept Phys, Elect Lab, GR-15784 Athens, Greece
来源：
2006 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOLS 1-11, PROCEEDINGS | 2006年
关键词：
D O I：
10.1109/ISCAS.2006.1692846
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
An hybrid direct-sequence/slow frequency hopping code-division multiple-access (DS/SFH-CDN1A) system operating in Rayleigh fading is described and its spectral efficiency is estimated in terms of the theoretically achievable average channel capacity (in the sense of information theory) per user. The analysis covers the operation over a broadcast cellular time-varying link and leads to a simple novel closed form expression for the optimal distance from the base station based on the maximization of the achieved spectral efficiency.
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页码：1359 / 1361
页数：3
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