Title :
A comparison of the IRIDIUM and AMPS systems
Author :
Hubbel, Yvette C.
Author_Institution :
Lockheed Martin Sanders, Manchester, NH, USA
Abstract :
A brief history of progress made in the mobile telecommunications industry is presented. This article compares the IRIDIUM system (which uses satellite operating in the 22.55 to 23.55 GHz range) to the existing Advanced Phone System (AMPS) cellular system. It is concluded that although the two systems´ architectures, services provided, and subscriber number formats vary enormously, the methods used for call registration, call setup, call handoff, and cell reuse are surprisingly similar. It is assumed that the reader has a familiarity with the existing AMPS cellular system.
Keywords :
cellular radio; frequency allocation; microwave links; mobile satellite communication; radio networks; 22.55 to 23.55 GHz; AMPS cellular system; Advanced Phone System; IRIDIUM system; SHF; UHF; call handoff; call registration; call setup; cell reuse; mobile telecommunications industry; satellite based mobile communications system; services; subscriber number formats; system architectures; Communication industry; FCC; History; Land mobile radio cellular systems; Low earth orbit satellites; Mobile handsets; Personal communication networks; Phased arrays; Satellite ground stations; Space vehicles;
Journal_Title :
Network, IEEE
