Chapter 14 Wireless Data
14.1 Introduction
This chapter covers data communication services and OSI upper layers and presents wireless data systems including wide-area systems and high-speed Wireless Local Area Networks (WLANs). We describe activities for wireless data standards and outline the error-control methods used by the standards. Also included are packet radio protocols and their channel efficiency formulas. The contention function of packet radio models the mechanism where mobile stations access the network on the access channel. Packet services are one of four data services supported in CDMA. The other three are asynchronous data, facsimile, and short message services (similar to paging).
We discuss the standards for data services ...
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