TOTAL CAPACITY IN A SHARED CDMA LEOS ENVIRONMENT

被引：16
|
作者：
VOJCIC, BR [1 ]
MILSTEIN, LB [1 ]
PICKHOLTZ, RL [1 ]
机构：
[1] UNIV CALIF SAN DIEGO,DEPT ELECT & COMP ENGN,LA JOLLA,CA 92093
来源：
IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS | 1995年 / 13卷 / 02期
关键词：
D O I：
10.1109/49.345867
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We are interested in determining the feasibility of having multiple service providers share the same spectrum in transponder-type, satellite-based, code-division multiple access mobile communications. To accomplish this, we compare the total capacity when n systems are operational to that when only a single system uses the frequency band. This comparison is made for both the uplink and the downlink under one of two possible constraints, either a maximum power flux density (PFD) limit per system, or an aggregate PFD limitation. While there are circumstances when the total capacity of multiple systems can achieve a greater value than that of a single service provider, conditions depend on the degree of shadowing, and whether or not the PFD limit is on a per system basis or on an aggregate basis from all systems.,
引用
收藏
页码：232 / 244
页数：13
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