Discontinuous reception operation for licensed-assisted access
First Claim
1. An integrated circuit which, in operation, controls of a process of a radio base station for controlling a Discontinuous Reception, DRX, function at a user equipment, wherein the user equipment is configured with at least one licensed cell and at least one unlicensed cell and operates the DRX function, the process comprising:
- transmitting, to the user equipment, a DRX-active instruction for the user equipment to be in DRX Active Time at least on the unlicensed cell until receiving the next downlink control information related to a downlink data transmission to be received via the unlicensed cell,wherein the DRX-active instruction is included in a control element of a Medium Access Control, MAC, protocol,wherein the MAC control element comprises a predetermined identification value indicating that the MAC control element is the DRX-active instruction,wherein the DRX-active instruction is included in downlink control information, DCI, transmitted on a downlink control channel, andwherein the DCI is of the 3rd Generation Partnership Project, 3GPP, DCI Format 1A and comprises information such that the DCI;
is processed by the user equipment as an instruction to perform a random access procedure on a licensed cell when comprising an identification of this licensed cell, andis processed by the user equipment as the DRX-active instruction when comprising an identification of the unlicensed cell.
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Abstract
The present disclosure relates to a method for operating a Discontinuous Reception, DRX, function at a user equipment. The UE is configured with at least one licensed cell and at least one unlicensed cell and operates the DRX function. The UE receives, from a radio base station, a DRX-active instruction to be in DRX Active Time at least on the unlicensed cell until receiving the next downlink control information related to a downlink data transmission to be received via the unlicensed cell. Correspondingly, in response to the received DRX-active instruction, the UE is in DRX Active Time at least on the unlicensed cell, comprising continuously monitoring a downlink control channel for downlink control information.
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Citations
4 Claims
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1. An integrated circuit which, in operation, controls of a process of a radio base station for controlling a Discontinuous Reception, DRX, function at a user equipment, wherein the user equipment is configured with at least one licensed cell and at least one unlicensed cell and operates the DRX function, the process comprising:
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transmitting, to the user equipment, a DRX-active instruction for the user equipment to be in DRX Active Time at least on the unlicensed cell until receiving the next downlink control information related to a downlink data transmission to be received via the unlicensed cell, wherein the DRX-active instruction is included in a control element of a Medium Access Control, MAC, protocol, wherein the MAC control element comprises a predetermined identification value indicating that the MAC control element is the DRX-active instruction, wherein the DRX-active instruction is included in downlink control information, DCI, transmitted on a downlink control channel, and wherein the DCI is of the 3rd Generation Partnership Project, 3GPP, DCI Format 1A and comprises information such that the DCI; is processed by the user equipment as an instruction to perform a random access procedure on a licensed cell when comprising an identification of this licensed cell, and is processed by the user equipment as the DRX-active instruction when comprising an identification of the unlicensed cell. - View Dependent Claims (2, 3, 4)
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Specification