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Mobile Wireless Communications by Mischa Schwartz

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Chapter 8Second-generation, digital, wireless systems

In this chapter we discuss current second-generation digital cellular systems. Some mention has already been made of these systems in Chapter 6, in the context of TDMA and CDMA, as well as in discussing their capacities comparatively. In particular, we discussed the North-American TDMA-based IS-136 or D-AMPS, the digital follow-on to the first-generation AMPS analog cellular system; GSM, the TDMA-based pan-European system, which is also being deployed in the USA and elsewhere in the world; and the CDMA-based IS-95. We now go over these systems in more detail, describing first the signaling required across the air-interface between the mobile station (MS) and the base station (BS) to establish ...

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