What exactly is wireless in local loop technology?
You have 10, 20 or 30 telephone exchanges in a city which are linked together and also linked to other exchanges in other cities. Our telephones are connected to the telephone exchange through a pair of copper wires, we call them cables. This is called the local loop. Most existing telecom networks around the world are based on this wired system. The inherent disadvantages in the wired system are many. They require a physical connection between the local exchange and the subscriber, and it involves long installation time, advance detailed planning, intensive labour costs and an architecture intrusive to the environment. It also involves a loss of revenue to the telephone department because a majority of the network must be installed before subscriber connections are granted and the cabling to our homes itself costs half the price of every line. Many times we cannot get a telephone connection simply because a telephone line is not available. Almost 98 to 99 per cent of the faults are ca
