CDMA for personal communications based on low Earth-orbital satellite systems

被引：0

作者：

Ogawa, A ^{[1
]}

Katayama, M ^{[1
]}

Yamazato, T ^{[1
]}

Jamalipour, A ^{[1
]}

机构：

[1] Nagoya Univ, Grad Sch Engn, Nagoya, Aichi 46401, Japan

来源：

IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES | 1997年 / E80A卷 / 12期

关键词：

CDMA; PCS; LEOS; multiple access; code acquisition; traffic nonuniformity; CDMA ALOHA;

D O I：

暂无

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper is concerned with CDMA applied to personal and mobile communications on a global basis using multiple low earth orbital satellites (LEOS). we focus our attention on some unique aspects of LEOS systems and discuss their influences on the CDMA system performance as well as the techniques for coping with these aspects. We deal with three kinds of important items that are unique to LEOS systems; Doppler frequency shift due to satellite movement, propagation delay affecting packetized data transmission and geographical nonunifomity in traffic.

引用

页码：2347 / 2356

页数：10

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