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US 10,375,532 B2Granted
Radio terminal and network apparatus
AssigneeKYOCERA Corporation
InventorMasato Fujishiro
Life of this patent
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Abstract
A radio terminal according to an embodiment includes a controller configured to perform a discontinuous reception (DRX) operation for multimedia broadcast multicast service (MBMS) transmission. The controller performs the DRX operation by using an MBMS reception opportunity based on hyper system frame number (H-SFN).
Claims3
A radio terminal comprising:
- a receiver configured to receive multimedia broadcast multicast service (MBMS) service via single cell point-to-multipoint (SC-PTM) transmission from a cell that broadcasts hyper system frame number (H-SFN) for extended discontinuous reception (eDRX) operation, the cell being managed by a base station, and
- a controller configured to perform the eDRX operation for the SC-PTM transmission,
- wherein the controller is configured to perform the eDRX operation by using a single cell multicast control channel (SC-MCCH) reception opportunity and a single cell multicast traffic channel (SC-MTCH) reception opportunity based on the H-SFN,
- the controller is configured to determine a first specific H-SFN including the SC-MCCH reception opportunity by using a first value received from the cell,
- the controller is configured to determine a second specific H-SFN including the SC-MTCH reception opportunity by using a second value received from the cell,
- the second value is associated with the MBMS service received by the radio terminal.
3 more elements
A communication method comprising:
- receiving by a radio terminal, multimedia broadcast multicast service (MBMS) service via single cell point-to-multipoint (SC-PTM) transmission from a cell that broadcast hyper system frame number (H-SFN) for extended discontinuous reception (eDRX) operation, the cell being managed by a base station;
- performing by the radio terminal, the eDRX operation for the SC-PTM transmission, by using a single cell multicast control channel (SC-MCCH) reception opportunity and a single cell multicast traffic channel (SC-MTCH) reception opportunity based on the H-SFN;
- determining by the radio terminal, a first specific H-SFN including the SC-MCCH reception opportunity by using a first value received from the cell;
- and
- determining by the radio terminal, a second specific H-SFN including the SC-MTCH reception opportunity by using a second value received from the cell,
- wherein the second value is associated with the MBMS service received by the radio terminal.
3 more elements
Dependencies are inferred from the claim text.