Patent ID: 7646742
Filing Date: 2010-01-12
Classification: H04L,H04W

Abstract:
1. A method of retransmission protocol reset synchronization in a radio network of a communication system, said radio network including a radio network controller (RNC) for controlling a plurality of base stations in communication with mobile terminals, wherein the RNC communicates with a mobile terminal using a radio link control (RLC) procedure of a plurality of RLC procedures, and the base station communicates with the mobile terminal using a medium access control (MAC) procedure said method comprising the steps of: performing an RLC reset procedure of said RLC procedure by an RLC sending entity; and initiating a MAC reset procedure in response to the RLC reset procedure, wherein: parts of a soft buffer, a reordering buffer in the mobile terminal and a priority queue in the base station, associated with the MAC procedure, are each used by more than on RLC procedure of said plurality of RLC procedures for communication between the RNC and the mobile terminal, MAC protocol data units (PDUs) associated with the RLC procedure, which is reset, and remaining in the soft buffer, reordering buffer in the mobile terminal and in the priority queue in the base station are flushed, MAC PDUs associated with other RLC procedures of said plurality of RLC procedures, which are not reset, and remaining in the soft buffer, reordering buffer in the mobile terminal and in the priority queue in the base station are not flushed, and the MAC reset procedure with partial priority queue flush in the base station is initiated when receiving a MAC PDU with predefined inband identification and a reset identification (RID) field, the RID field comprising logical channel identification.