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

页码：232 / 244

页数：13

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