铱系统
- 网络Iridium System;Iridrum;Iridum
铱系统-
文章介绍了移动通信工业发展的简短历史，并比较了铱系统与现有的先进移动电话系统（AMPS）。
A brief history of progress made in the mobile telecommunications industry is presented . This article compares the IRIDIUM system to the existing Advanced Mobile Phone System ( AMPS ) cellular system .
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铱系统与AMPS系统之比较
A Comparison of the IRIDIUM and AMPS Systems
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铱系统与AMPS系统之比较（续）
A Comparison of the IRIDIUM and AMPS Systems ( ⅱ ) system ) .