Patent ID: 7190684
Filing Date: 2007-03-13
Classification: H04L,H04W

Abstract:
1. Method of scheduling multiple data flows for quality of service adjustment in a CDMA system, especially in a mobile telecommunication system, comprising the steps of: receiving quality of service requirements of each data flow comprising protocol data units (PDU), determining a priority order of the protocol data units (PDU) to be served for data transmission on a communication channel, serving the protocol data units (PDU) by dynamically creating transport block sets (TBS) to be transmitted to the physical layer (PHY-layer) with regard to the defined priority order and dependent upon allocated radio resource constraints, the method further comprising linking two schedulers which operate, respectively, on an upper and a lower protocol layer, wherein each protocol data unit (PDU) of an incoming data flow to be transmitted is scheduled by the scheduler (PDU-scheduler) on the upper layer regarding pre-definable associated quality of service requirements into a priority list to be served by the scheduler (MAC-scheduler) of the lower layer, and medium access control is performed by the scheduler (MAC-scheduler) of the lower layer thereby optimizing the system efficiency of data transmission by dynamically operating on the protocol data units (PDU) within the priority list.