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Consumer Electronics by S. P. Bali

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WIRELESS LOCAL LOOP

Traditionally, the provision of voice and data communications to the end user over the local loop, or subscriber loop, has been provided by wired systems. For residential subscribers, twisted pair has been and continues to be the standard means of connection. For business and government subscribers, twisted pair, coaxial cable, and optical fibre are in use.

As subscribers have demanded greater capacity, particularly to support internet use, traditional twisted pair technology has become obsolete. Telecommunications providers have developed a number of technologies to meet the need, including ISDN, and a number of digital subscriber loop technologies, known as xDSL. In addition, cable operators have introduced two way high-speed ...

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