Frequency layer convergence method for MBMS
First Claim
Patent Images
1. A method, comprising:
- determining that a user equipment is receiving a session for a multimedia broadcast-multicast service, the multimedia broadcast-multicast service using a preferred frequency layer; and
changing, based on the determining, at least one cell selection or re-selection parameter with respect to the user equipment such that when a subsequent cell selection or re-selection occurs the user equipment favors cells providing the multimedia broadcast-multicast service and using the preferred frequency layer over other cells, wherein the at least one cell selection or re-selection parameter comprises a parameter used to prioritize which cells of a communications system are to be selected or reselected for the user equipment.
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Abstract
A method to control cell selection and/or re-selection in a communication system comprising a plurality of cells with which terminal devices may communicate, the method including the steps of: determining that a terminal device is to start a session for a certain service, the service using a reception frequency; based on that determination, changing at least one cell selection and/or re-selection parameter in respect of the terminal device with the effect that a subsequent cell selection and/or re-selection performed by the device would favor cells that use the reception frequency used in the service session over other cells.
27 Citations
39 Claims
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1. A method, comprising:
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determining that a user equipment is receiving a session for a multimedia broadcast-multicast service, the multimedia broadcast-multicast service using a preferred frequency layer; and changing, based on the determining, at least one cell selection or re-selection parameter with respect to the user equipment such that when a subsequent cell selection or re-selection occurs the user equipment favors cells providing the multimedia broadcast-multicast service and using the preferred frequency layer over other cells, wherein the at least one cell selection or re-selection parameter comprises a parameter used to prioritize which cells of a communications system are to be selected or reselected for the user equipment. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method, comprising:
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determining that a user equipment is receiving a session for a multimedia broadcast-multicast service, the multimedia broadcast-multicast service using a preferred frequency layer, and changing, based on the determining, at least one cell selection or re-selection parameter with respect to the user equipment such that when a subsequent cell selection or re-selection occurs the user equipment favors cells using the preferred frequency layer over other cells, wherein the at least one cell selection or re-selection parameter comprises a parameter used to prioritize which cells of a communications system are to be selected or reselected for the user equipment, wherein the changing further comprises setting a parameter that reduces responsiveness of the user equipment to high mobility triggers.
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10. A method, comprising:
transmitting to one or more user equipment which are receiving a session for a multimedia broadcast-multicast service, the multimedia broadcast-multicast service using a preferred frequency layer, a message indicating a value for at least one cell selection or re-selection parameter such that when a subsequent cell selection or re-selection occurs the one or more user equipment favor cells providing the multimedia broadcast-multicast service and using the preferred frequency layer over other cells, wherein the at least one cell selection or re-selection parameter comprises a parameter used to prioritize which cells of a communications system are to be selected or reselected for the one or more user equipment. - View Dependent Claims (11, 12, 13, 14)
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15. A method, comprising:
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receiving at a user equipment which is receiving a session for a multimedia broadcast multicast service, the multimedia broadcast-multicast serviced using a preferred frequency layer, a message indicating a value for at least one cell selection or re-selection parameter such that when a subsequent cell selection or re-selection occurs the user equipment favors cells providing the multimedia broadcast-multicast service and using the preferred frequency layer over other cells, wherein the at least one cell selection or re-selection parameter comprises a parameter used to prioritize which cells of a communications system are to be selected or reselected for the user equipment; and adopting the value indicated in the message for the parameter in the user equipment. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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22. An apparatus, comprising:
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at least one memory including computer program code; and at least one processor, wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus at least to determine that a user equipment is receiving a session for a multimedia broadcast-multicast service, the multimedia broadcast-multicast service using a preferred frequency layer; and change, based on the determination, at least one cell selection or re-selection parameter with respect to the user equipment, such that when subsequent cell selection or re-selection occurs the user equipment favors cells providing the multimedia broadcast-multicast service and using the preferred frequency layer over other cells, wherein the at least one cell selection or re-selection parameter comprises a parameter used to prioritize which cells of a communications system are to be selected or reselected for the user equipment. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30)
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31. An apparatus, comprising:
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at least one memory including computer program code; and at least one processor, wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus at least to determine that a user equipment is receiving a session for a multimedia broadcast-multicast service, the multimedia broadcast-multicast service using a preferred frequency layer; change, based on the determination, at least one cell selection or re-selection parameter with respect to the user equipment, such that when subsequent cell selection or re-selection occurs the user equipment favors cells using the preferred frequency layer over other cells, wherein the at least one cell selection or re-selection parameter comprises a parameter used to prioritize which cells of a communications system are to be selected or reselected for the user equipment; and set a parameter that reduces responsiveness of the user equipment to high mobility triggers.
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32. An apparatus, comprising:
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at least one memory including computer program code; and at least one processor, wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus at least to transmit to one or more user equipment which are receiving a session for a multimedia broadcast-multicast service, the multimedia broadcast-multicast service using a preferred frequency layer, a message indicating a value for at least one cell selection or re-selection parameter such that, when a subsequent cell selection or re-selection occurs the one or more user equipment favor cells providing the multimedia broadcast-multicast service and using the preferred frequency layer over other cells, wherein the at least one cell selection or re-selection parameter comprises a parameter used to prioritize which cells of a communications system are to be selected or reselected for the one or more user equipment. - View Dependent Claims (33, 34, 35)
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36. An apparatus, comprising:
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at least one memory including computer program code; and at least one processor, wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus at least to receive a message indicating a value for at least one cell selection or re-selection parameter such that when a subsequent cell selection or re-selection for the apparatus which is receiving a session for a multimedia broadcast multicast service occurs, the multimedia broadcast-multicast service using a preferred frequency layer, the apparatus favors cells providing the multimedia broadcast-multicast service and using the preferred frequency layer over other cells, wherein the at least one cell selection or re-selection parameter comprises a parameter used to prioritize which cells of a communications system are to be selected or reselected for the apparatus; and adopt the value indicated in the message for the parameter. - View Dependent Claims (37, 38, 39)
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Specification