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Atm presentation M.TECH ( PPT FILE )
This document discusses ATM basics for WCDMA networks. It describes the different network transfer modes including synchronous transfer mode, packet transfer mode, and asynchronous transfer mode. Asynchronous transfer mode is highlighted as a compromise that supports voice, video, and data over WCDMA networks by providing quality of service guarantees. Key aspects of ATM like cells, virtual paths, virtual connections, and service classes are defined. The document also outlines why ATM is used as the transport protocol in 3G networks.
