Wireless local loop with intelligent base station

Abstract

A communication system for providing wireless local loop services comprises an intelligent base station (604) for communicating with one or more customer premises remote units (CPRUs), each of which connects to a non-wireless device (634). Each CPRU has a wireless transceiver (602) for over-the-air communication with the intelligent base station. The intelligent base station connects, without the assistance of a base station controller, to a mobile switching center (MSC), through a GSM A-interface (672) or a specialized derivative thereof, and thereby to a GSM functionality, enabling the CPRU to take advantage of various advanced telephony features. A transcoder and rate adapter unit (TRAU) may be added between the intelligent base station with both mobile users and fixed wireless local loop customers, using time division multiple access (TDMA) to communicate with multiple users. The intelligent base station may transmit and receive messages using spread spectrum encoding. If mobility is provided within the system, intelligent base station within a cluster may be connected over physical links so that signalling and bearer channels supporting a call from a mobile user are tunnelled through one intelligent base station to the other handover.

Description

technical field [0001] The field of the invention relates to communication systems and methods, and more particularly, to wireless local loop systems and methods for communicating in a wireless local loop system. Background technique [0002] Traditionally, telephone service has been provided to business and residential customers over fixed land lines which travel from the telephone network to their local destinations via switching stations. However, the costs associated with providing telephony services to some users (such as users in remote areas, poorly located environments, or high-rise buildings) using the traditional cable connection method are very expensive. For many network operators, this fee is unavoidable because provision of service to such users is usually not optional under the general regulatory requirement to provide service at any cost, sometimes referred to as a "general service obligation". [0003] In addition, deploying traditional land lines can be co...

AI Technical Summary

Problems solved by technology

[0007] It is also considered that a single type of telephony service may not be sufficient to address the needs of very different users

Images