Patent ID: 6072787
Filing Date: 2000-06-06
Classification: H04J,H04L,H04W

Abstract:
A method for data transmission in a digital mobile communication system having allocatable resources including a plurality of traffic channels, in which one or more traffic channels can be allocated to a mobile station for data transmission in accordance with requirements set by an application using said mobile station, said method comprising:determining, for a data call, a desired level of service for a user data transfer, said desired level of service having limits; anddynamically adjusting a channel configuration consisting of one or more traffic channels allocated to said mobile station from among said plurality of traffic channels, for said data call, within said limits of said desired level of service, depending on the varying allocation state of said resources of said mobile communication system, wherein said adjusting comprises:detecting that there are otherwise unallocated traffic channel resources available in a cell which is currently serving said mobile station,detecting in said cell that said desired level of service is unmet by an existing channel configuration,allocating to said mobile station for said data call a higher channel configuration from among said otherwise unallocated traffic channel resources, andsending from a base station system serving said cell, to said mobile station, a handover command message or an additional channel assignment message containing information channel configuration allocated to said mobile station as a consequence of said allocating.