Chapter 6 IS-95 CDMA Air Interface
6.1 Introduction
This chapter provides a high-level description of the IS-95 CDMA air interface. The intent of this chapter is to lay a foundation for the system details given in chapters 7–11. We describe important aspects of the forward link (base station to mobile) and reverse link (mobile to base station) and include modulation parameters for the channels.
6.2 TIA IS-95 CDMA System
The TIA IS-95 CDMA system operates on the same frequency band as the Advanced Mobile Phone System (AMPS) using Frequency Division Duplex (FDD) with 25 MHz in each direction.* For Band Class 0 the reverse link (mobile to base station) uses frequencies from 869 to 894 MHz, and forward link (base station to mobile) uses frequencies ...
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