Motorola Corporation

Parthasarathy Subramanian

Gary Edwin Western

Sriram S Chaturvedi

When operating a mobile station in an Enhanced General Packet Radio Service (EGPRS)-compliant mode of operation, a first performance of the mobile station () in the EGPRS-compliant mode of operation is evaluated based upon received operating parameters. A second performance of the mobile station () in a General Packet Radio Service (GPRS)-compliant mode of operation is also determined based upon the received operating parameters. The EGPRS-compliant mode of the mobile station () is switched to the GPRS-compliant mode of operation whenever the second performance is evaluated to be preferable to the first performance.

System and method for switching operating modes of a mobile station

A method for transitioning from a lower channel coding scheme to a higher channel coding scheme in a communication network providing transmission of data encoded using one of a plurality of channel coding schemes, the transmission occurring between the communication network and a number of mobile stations via a corresponding number of radio links, the communication network having at least one base transceiver station operatively coupled to a packet control unit. The method includes applying the higher channel coding scheme to a portion of data transmitted between the communication network and the mobile station, and, after a predetermined time period, noting a data block error rate of the portion of data. The method further includes directing application of the higher channel coding scheme to all future data transmitted if the data block error rate indicates an equivalent or higher data throughput of the portion of data.

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Palatine, IL, United States of America

Parthasarathy Subramanian