Design of mobile switching centre in wll
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Date
2005
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Publisher
UMT.Lahore
Abstract
This project is focuses on the following two topics
WLL
Sometimes called radio in the loop (RITL) or fixed-radio access (FRA), wireless local loop (WLL) is a system that connects subscribers to the public switched telephone network (PSTN) using radio signals as a substitute for copper for all or part of the connection between the subscriber and the switch. This includes cordless access systems; proprietary fixed radio access, and fixed cellular systems.
Mobile Switching Center (MSC) is the core of CDMA switching system. It offers switching functions for all the mobile terminals in the local area, including call handling, routing, call control, mobility management, location registration, echo cancellation and overload control.