Patent ID: 6826168
Filing Date: 2004-11-30
Classification: H04L,H04W

Abstract:
A mobile communication system supporting communication of data and comprising:at least one base station, comprising a Base Transceiver Station, connected to a switching arrangement over a connection and using a communication protocol for communication between a mobile station and the switching arrangement, wherein; (a) the connection between the base station and the switching arrangement, comprising a Base Station Controller, supporting packet switched non-transparent communication of data transported as data frames at least on the uplink between the Base Transceiver Station and the Base Station Controller; (b) the base station includes means for detecting if data frames sent from the mobile station are correctly received over the air interface, and means for sending only data frames detected as correctly received on to the switching arrangement using the packet switched connection between the base station and the switching arrangement, wherein (c) the Base Station Controller includes transcoding and adapting means for communication with an interworking function of a mobile switching center which comprises means for building frames for transportation of data; and the transcoding and adapting means detects if frames received from the mobile switching center contain data and sending only data frames on to the base station.