Scalable wireless network architecture based on subscriber distr

Details Scalable wireless network architecture based on subscriber distr Scalable wireless network architecture based on subscriber distr

1998-07-31

2000-11-14

Vo, Nguyen

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

455560, 455432, 455445, H04Q 720

Patent

active

061482013

ABSTRACT:
A wireless communication system constructed according to the present invention assigns mobile units to equalize loading among a plurality of mobile switching centers. The wireless communication system includes the plurality of mobile switching centers and a base station system which includes a plurality of base station controllers, each of which couples to a plurality of base stations. A plurality of mobile units served by the system are assigned to the mobile switching centers so that loading is equalized. In one particular construction of the wireless communication system, a dispatching switch couples the base station system to the plurality of mobile switching centers and performs the assignments of the mobile units. In an example of operation, upon attachment of a mobile unit, the dispatching switch determines loading of each of the mobile switching centers. Then, based upon the loading, the dispatching switch assigns the mobile unit to one of the mobile switching centers, the "serving" mobile switching center. During subsequent calls, the dispatching switch establishes a transparent path between a base station controller servicing the call and the serving mobile switching center. Thus, once the serving mobile switching center is determined, operation is transparent to the serving base station controller and the serving mobile switching center. In another particular construction, each of the base station controllers couple to each of the mobile switching centers via a network. In such case, each of the base station controllers and each of the mobile switching centers includes additional equipment which performs at least a portion of the operations of the dispatching switch. The network may be dissimilar to a conventional data structure supported by the wireless communication system.

REFERENCES:
patent: 5396543 (1995-03-01), Beeson, Jr. et al.
patent: 5793752 (1998-08-01), Clarke et al.
patent: 5854982 (1998-12-01), Chambers et al.
patent: 5991628 (1999-11-01), Pedziwiatr et al.

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