Patent ID: 8325656
Filing Date: 2012-12-04
Classification: H04L

Abstract:
1. A base station arrangement in a communications system supporting High Speed Downlink Packet Access (HSDPA) communication, comprising: a base station protocol entity for a protocol for communication with mobile user stations, said protocol handling high speed control signalling and physical resource allocation for high speed data communication, wherein the base station protocol entity comprises a control plane entity configured to support an extended or adapted control plane for control plane signalling messages, the control plane entity comprising specific control message handling means configured to provide a specific probing or information control message and to send said message to a mobile user station; wherein a specific information control message indication is provided in a header of a protocol data unit of the high speed protocol, and the specific control message is provided in the payload of said protocol data unit, wherein the protocol data unit originates in a MAC-hs layer; and wherein the specific probing or information control message comprises a null data message and the null data message is set where there is no Voice over Internet Protocol (VoIP) data in the buffering means and a queue has been set up for VoIP transmission.