12 First- and Second-generation Cellular Systems
Introduction
This chapter provides information about specific systems that have been implemented, starting with a summary of the various first-generation (1G) systems; a description of the most widely deployed second-generation (2G) systems follows.
First-generation Systems
Advanced Mobile Phone System
The Advanced Mobile Phone System (AMPS) was developed by Bell Laboratories as a successor to the heavily congested Improved Mobile Telephone System (IMTS) primarily for the North American market. AMPS underwent a long development period and an extended trial (technical and commercial) that not only fixed the system parameters but also contributed to the basic planning rules that hold ...
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