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US 2015/0319690 A1Published application
Discontinuous reception method, mobile station, base station and wireless communication system
AssigneeSony Corporation
InventorYuxin WEI
Life of this patent
Estimating the term…
Abstract
A discontinuous reception method, mobile station, base station and wireless communication system are provided in the present invention. The discontinuous reception method in the wireless communication system includes the following steps: in case of a continuous carrier aggregation, setting a common On Duration timer and/or a common Discontinuous Reception inactivity timer for a primary cell and each secondary cell; and in case of a discontinuous carrier aggregation, setting an independent On Duration timers and/or an independent Discontinuous Reception inactivity timers for the primary cell and each secondary cells. The present invention realizes discontinuous reception of the carrier aggregation, thus saving power consumption of the mobile station.
Claims21
(canceled)
2:
- An electronic device, comprising
- circuitry configured to:
- activate or deactivate a secondary component carrier corresponding to a secondary cell which provides transmission resource for carrier aggregation based on an activation/deactivation command from a base station;
- and
- monitor a physical downlink control channel of the secondary cell based on a discontinuous reception operation if the secondary component carrier is activated and not monitor the physical downlink control channel of the secondary cell if the secondary component carrier is deactivated,
- wherein the circuitry is further configured to receive a MAC signaling as the activation/deactivation command and control activating or deactivating the secondary component carrier based on the MAC signaling.
3 more elements
3:
- The electronic device according to claim 2, wherein the circuitry is further configured to:
- communicate with the base station on a primary cell;
- and
- monitor a physical downlink control channel of the primary cell based on the discontinuous reception operation.
1 more element
4:
- The electronic device according to claim 3, wherein the circuitry is further configured to start or reset an on Duration Timer and/or a DRX inactivity timer for both of the secondary cell and primary cell.
5:
- The electronic device according to claim 3, wherein the circuitry is further configured to configure common DRX parameters for the secondary cell and primary cell.
6:
- The electronic device according to claim 5, wherein the circuitry is further configured to receive a signaling from the base station and configure the common on Duration Timer and/or the common discontinuous reception inactivity timer based on the signaling.
7:
- The electronic device according to claim 5, wherein the DRX parameters comprises at least one of on Duration Timer, DRX inactivity timer, DRX Retransmission Timer, Long DRX Cycle and DRX Short Cycle timer and DRX Short Cycle.
8:
- The electronic device according to claim 3, wherein the circuitry is further configured to receive a contention resolution success message on either the primary cell or the secondary cell and start a common Contention Resolution Timer for a contention based random access procedure.
9:
- The electronic device according to claim 8, wherein the circuitry is further configured to stop the common Contention Resolution Timer when the contention resolution success message is received on any of the primary cell and the secondary cell.
10:
- The electronic device according to claim 2, wherein the electronic device is a user equipment and further comprises a transceiver which is configured to receive signals on the physical downlink control channels of a plurality of cells based on the corresponding DRX configurations.
11:
- A method, comprising:
- activating or deactivating, using circuitry, a secondary component carrier corresponding to a secondary cell which provides transmission resource for carrier aggregation based on an activation/deactivation command from a base station;
- and
- monitoring a physical downlink control channel of the secondary cell based on a discontinuous reception operation if the secondary component carrier is activated and not monitoring the physical downlink control channel of the secondary cell if the secondary component carrier is deactivated,
- wherein the method further comprises receiving a MAC signaling as the activation/deactivation command and controlling activating or deactivating the secondary component carrier based on the MAC signaling.
2 more elements
12:
- The method according to claim 11, further comprising:
- communicating with the base station on a primary cell;
- and
- monitoring a physical downlink control channel of the primary cell based on the discontinuous reception operation.
1 more element
13:
- The method according to claim 12, further comprising:
- starting or resetting an on Duration Timer and/or a DRX inactivity timer for both of the secondary cell and primary cell.
14:
- The method according to claim 12, further comprising:
- configuring common DRX parameters for the secondary cell and the primary cell.
15:
- The method according to claim 14, further comprising:
- receiving a signaling from the base station and configure the common on Duration Timer and/or the common discontinuous reception inactivity timer based on the signaling.
16:
- The method according to claim 14, wherein the DRX parameters comprise at least one of on Duration Timer, DRX inactivity timer, DRX Retransmission Timer, Long DRX Cycle and DRX Short Cycle timer and DRX Short Cycle.
17:
- The method according to claim 12, further comprising:
- receiving a contention resolution success message on either the primary cell or the secondary cell and starting a common Contention Resolution Timer for a contention based random access procedure.
18:
- The method according to claim 17, further comprising stopping the common Contention Resolution Timer when the contention resolution success message is received on any of the primary cell and the secondary cell.
19:
- The method according to claim 11, further comprising:
- starting or resetting a DRX Inactivity Timer of the secondary cell which is indicated in a carrier indicator field received via another cell.
20:
- A non-transitory computer readable medium encoded with computer-readable instructions thereon, the compute-readable instructions, when executed by a computer, cause the computer to perform a method comprising:
- activating or deactivating a secondary component carrier corresponding to a secondary cell which provides transmission resource for carrier aggregation based on an activation/deactivation command from a base station;
- and
- monitoring a physical downlink control channel of the secondary cell based on a discontinuous reception operation if the secondary component carrier is activated and not monitoring the physical downlink control channel of the secondary cell if the secondary component carrier is deactivated,
- wherein the method further comprises receiving a MAC signaling as the activation/deactivation command and controlling activating or deactivating the secondary component carrier based on the MAC signaling.
2 more elements
21:
- The non-transitory computer readable medium according to claim 20, wherein the compute-readable instructions, when executed by a computer, cause the computer to perform a method further comprising
- communicating with the base station on a primary cell;
- monitoring a physical downlink control channel of the primary cell based on the discontinuous reception operation;
- and
- configuring common DRX parameters for the secondary cell and primary cell.
2 more elements
Dependencies are inferred from the claim text.