AN INTEGRATED MOBILE SATELLITE BROADCAST, PAGING, COMMUNICATIONS AND NAVIGATION SYSTEM

被引：2
|
作者：
NOREEN, GK
机构：
[1] Radio Satellite Corporation, Long Beach, California, 90831, One World Trade Center
来源：
IEEE TRANSACTIONS ON BROADCASTING | 1990年 / 36卷 / 04期
关键词：
D O I：
10.1109/11.64477
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：
This paper describes the design of an integrated mobile satellite broadcast, paging, communications and navigation system under development by Radio Satellite Corporation. 1 Ku-band RadioSat(SM) ground stations broadcast digital audio signals and data packets (including alphanumeric pages and group calls) to mobiles through a satellite to be launched in 1993 by the American Mobile Satellite Corporation (AMSC). Each mobile radio simultaneously receives L-band digital audio and data broadcasts from the AMSC satellite and L-band navigation broadcasts from the Global Positioning System (GPS) through a common omnidirectional mobile antenna and receiver front end. RadioSat(SM) mobile radios use GPS broadcasts and differential corrections sent through the AMSC satellite by RSC to navigate with 2 meter accuracy. With optional transmitters, RadioSat(SM) mobile radios can support two-way voice and data communications.
引用
收藏
页码：270 / 274
页数：5
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