This white paper describes the technology of providing Wireless Local Loops. Local loop is yet another name of providing normal PSTN type phones to end subscribers. This is a replacement technology for laying copper cables. The technology is well suited for providing telephones to geographically dispersed populations where laying copper cable is cost prohibitive.
The white paper gives a sample network diagram and a list of basic hardware required to launch such a service. The white paper also mentions popular hardware brands and gives budgetary prices for a full service operator. It specially discusses the special needs of WLL operators for the billing solution.
The white paper also discusses different business models in which WLL operators operate. It also discusses the extra modules required by an operator like SMSC, IVR, Call center, HLR integration and others and mentions the requirements on the billing system to support all these.
It also discusses the basics of CDMA technology which is usually used for WLL and mentions the frequency spectrum used by such service and compares pros and cons of different frequencies used. It also gives the specifications of different types of handsets used and gives their budgetary prices
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