Mobile communications cell changing procedure
OwnerHimke Van Der Velde, Gert Van Lieshout +1inventors
InventorsHimke Van Der Velde, Gert Van Lieshout, Kyeong-In Jeong
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Abstract
A method of changing the serving cell in a cellular communications network is provided. A radio communications link is established between a serving network node of a serving cell and a mobile terminal. The mobile terminal sends radio measurement reports for cells other than the serving cell. Once a predetermined condition has been fulfilled, a pre-configuration is performed to establish a radio communications link for one or more cells being a candidate for a new serving cell.
Claims22
A method for setting and changing a cell for scheduling a packet data service in a mobile communication system for supporting the packet data service, comprising the steps of:
- receiving, by a Terrestrial Radio Access Network (UTRAN), a measurement report from a user equipment (UE);
- performing, by the UTRAN, a pre-configuration of information for the packet data service in response to the measurement report in a target cell;
- adding, by the UTRAN, a radio link for a cell to be added and controlling the UE to perform a pre-configuration of information for the packet data service, in response to the measurement report;
- receiving, by the UTRAN, a measurement report about a best cell change from the UE after the pre-configuration;
- and
- performing, by the UTRAN, to schedule the packet data service for the UE in response to the measurement report about the best cell change in the target cell,
- wherein the step of performing the pre-configuration comprises the step of:
- performing a pre-configuration for cells with signal strengths of more than a predefined level.
A method for setting and changing a cell for scheduling a packet data service in a mobile communication system for supporting the packet data service, comprising the steps of:
- sending a measurement report from a user equipment (UE) to a Terrestrial Radio Access Network (UTRAN);
- updating, by the UE, an active set under control of the UTRAN and performing a pre-configuration of information for a packet data service;
- sending information about a best cell change from the UE to the serving radio network controller after the pre-configuration and monitoring scheduling information for the packet data service from a target cell;
- and
- receiving, by the UE, the packet data service from the target cell when the UTRAN schedules the packet data service in the target cell,
- wherein the UE sends the measurement report only to cells of more than a predefined level under the control of the UTRAN.
A method for setting and changing a cell for scheduling a packet data service in a mobile communication system for supporting the packet data service, comprising the steps of:
- sending information about a cell to be added to an active set from a user equipment (UE) to a Terrestrial Radio Access Network (UTRAN);
- updating, by the UE, the active set under control of the UTRAN and performing a pre-configuration of information for a packet data service;
- sending information about a best cell change from the UE to the UTRAN after the pre-configuration and monitoring scheduling information for the packet data service from a target cell using an initial control channel configuration;
- receiving a handover command from the UTRAN through an initial control channel and performing a handover to the target cell using a complete control channel configuration;
- and
- receiving the packet data service from the target cell after the handover.
A method for setting and changing a cell for scheduling a packet data service in a mobile communication system for supporting the packet data service, comprising the steps of:
- pre-allocating, by a Terrestrial Radio Access Network (UTRAN), resources for a packet data service;
- scheduling, by the UTRAN, a user equipment (UE) using an initial control channel configuration in a target cell;
- and
- scheduling, by the UTRNA, the UE through a complete control channel configuration after a handover to the target cell for the UE.
Dependencies are inferred from the claim text.