Node b and rnc actions during a serving hsdpa cell change
AssigneeInterDigital Technology Corporation
InventorsYi-Ju Chao, Stephen E. Terry
Life of this patent
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Abstract
An apparatus and method in accordance with the present invention reduce the amount of data that is stalled in a source Node B after a serving HS-DSCH cell change in a communication system that includes a serving RNC and at least one Node B. In a first embodiment, the RNC temporarily suspends data transmissions from the RNC to the Node B. In a second embodiment, the activation time is used in data scheduling. In a third embodiment, a more robust MCS level is selected. In a fourth embodiment flow control is employed for the data transmitted between the RNC and the Node B.
Claims9
A method for efficient delivery of data in wireless communications that includes a radio network controller (RNC) associated with at least one Node B, the at least one Node B communicating with a plurality of user equipments (UEs), and at least one of the plurality of UEs communicating within a cell and undergoing a high-speed downlink shared channel (HS-DSCH) cell change, the method comprising:
- determining at the RNC the need for an HS-DSCH cell change and for generating a notification to the at least one Node B regarding the cell change;
- suspending at the RNC all further data transmissions to the at least one Node B serving the at least one UE;
- and
- sending from the RNC to the at least one Node B the notification.
A radio network controller (RNC) comprising:
- circuitry configured to transmit data transmissions to at least one Node B associated with the RNC, wherein the at least one Node B communicates with a plurality of user equipment (UEs), and at least one of the plurality of UEs communicates within a cell and undergoes a high-speed downlink shared channel (HS-DSCH) cell change;
- the circuitry further configured to determine a need for an HS-DSCH cell change and generate a notification to the at least one Node B regarding the cell change;
- the circuitry further configured to suspend all further data transmissions to the at least one Node B serving the at least one UE;
- and
- sending from the RNC to the at least one Node B the notification.
Dependencies are inferred from the claim text.