Patent ID: 6370127
Filing Date: 2002-04-09
Classification: H04W

Abstract:
A mobile telephone communications system having a multi-level distributed architecture, said system comprising:a plurality of base station transceiver subsystems (BTSs) arranged across a plurality of cells, each base station transceiver subsystem (BTS) operable for establishing a radio frequency interface with a subscriber unit in conjunction with a telephone call; at least one first level PSEL unit coupled to a prescribed plurality of base station transceiver subsystems, said at lease one first level PSEL unit for implementing a first level power control and frame selection of compressed packet data in conjunction with the telephone call, each said first level PSEL unit being positioned proximate a respective prescribed plurality of base station transceiver subsystems; second level PSEL unit coupled to said at least one first level PSEL unit, said second level PSEL unit for implementing a second level power control and frame selection of compressed packet data in conjunction with the telephone call; router coupled to said second level PSEL unit, said second level PSEL being coupled between said at least one first level PSEL unit and said router on a BTS-side of said router, said router for routing compressed packet data in conjunction with the telephone call from said at least one first level PSEL unit through said second level PSEL unit and to said at least one first level PSEL unit through said second level PSEL unit; and at least one CSEL unit coupled between said router and a prescribed mobile switching center (MSC) on an MSC-side of said router, said at least one CSEL unit separate from said at least one first level PSEL and said second level PSEL for implementing call processing and call management in conjunction with the telephone call, said at least one CSEL unit further being positioned proximate the MSC, said router further for routing compressed packet data between said second level PSEL unit on the BTS-side of said router and said at least one CSEL unit on the MSC-side of said router.