Carrier selection in a multi-carrier wireless network
First Claim
Patent Images
1. A wireless device comprising:
- one or more processors; and
memory storing instructions that, when executed by the one or more processors, cause the wireless device to;
receive, from a base station, one or more messages comprising configuration parameters of a cell, wherein the configuration parameters comprise;
a first value for a first timer; and
a second value for a second timer, wherein the second timer is associated with monitoring a downlink control channel;
receive a medium-access control (MAC) control element (CE) indicating an activation of the cell;
based on the MAC CE;
activate the cell; and
start the first timer;
receive first downlink control information (DCI) indicating monitoring of the downlink control channel;
based on the first DCI;
start the second timer; and
monitor the downlink control channel; and
receive, while the first timer and the second timer are both running, second DCI comprising one or more of a downlink assignment or an uplink grant.
2 Assignments
0 Petitions
Accused Products
Abstract
A wireless device receives a downlink control information (DCI) on a primary cell. The DCI may comprise a field instructing a wireless device to activate a secondary cell. The wireless device activates the secondary cell in response to receiving the DCI.
155 Citations
37 Claims
-
1. A wireless device comprising:
-
one or more processors; and memory storing instructions that, when executed by the one or more processors, cause the wireless device to; receive, from a base station, one or more messages comprising configuration parameters of a cell, wherein the configuration parameters comprise; a first value for a first timer; and a second value for a second timer, wherein the second timer is associated with monitoring a downlink control channel; receive a medium-access control (MAC) control element (CE) indicating an activation of the cell; based on the MAC CE; activate the cell; and start the first timer; receive first downlink control information (DCI) indicating monitoring of the downlink control channel; based on the first DCI; start the second timer; and monitor the downlink control channel; and receive, while the first timer and the second timer are both running, second DCI comprising one or more of a downlink assignment or an uplink grant. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
-
10. A base station comprising:
-
one or more processors; and memory storing instructions that, when executed by the one or more processors, cause the base station to; transmit, to a wireless device, one or more messages comprising configuration parameters of a cell, wherein the configuration parameters comprise; a first value for a first timer; and a second value for a second timer, wherein the second timer is associated with the wireless device monitoring a downlink control channel; transmit a medium-access control (MAC) control element (CE) indicating an activation of the cell; based on the MAC CE; activate the cell for the wireless device; and start the first timer; transmit first downlink control information (DCI) indicating monitoring of the downlink control channel; based on the first DCI, start the second timer associated with the wireless device monitoring the downlink control channel; and transmit, while the first timer and the second timer are both running, second DCI comprising one or more of a downlink assignment or an uplink grant. - View Dependent Claims (11, 12, 13, 14)
-
-
15. A non-transitory computer-readable medium storing instructions that, when executed, configure a wireless device to:
-
receive, from a base station, one or more messages comprising configuration parameters of a cell, wherein the configuration parameters comprise; a first value for a first timer; and a second value for a second timer, wherein the second timer is associated with monitoring a downlink control channel; receive a medium-access control (MAC) control element (CE) indicating an activation of the cell; based on the MAC CE; activate the cell; and start the first timer; receive first downlink control information (DCI) indicating monitoring of the downlink control channel; based on the first DCI; start the second timer; and monitor the downlink control channel; and receive, while the first timer and the second timer are both running, second DCI comprising one or more of a downlink assignment or an uplink grant. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23)
-
-
24. A non-transitory computer-readable medium storing instructions that, when executed, configure a base station to:
-
transmit, to a wireless device, one or more messages comprising configuration parameters of a cell, wherein the configuration parameters comprise; a first value for a first timer; and a second value for a second timer, wherein the second timer is associated with the wireless device monitoring a downlink control channel; transmit a medium-access control (MAC) control element (CE) indicating an activation of the cell; based on the MAC CE; activate the cell for the wireless device; and start the first timer; transmit first downlink control information (DCI) indicating monitoring of the downlink control channel; based on the first DCI, start the second timer associated with the wireless device monitoring the downlink control channel; and transmit, while the first timer and the second timer are both running, second DCI comprising one or more of a downlink assignment or an uplink grant. - View Dependent Claims (25, 26, 27, 28)
-
-
29. A system comprising:
-
a base station configured to; send one or more messages comprising configuration parameters of a cell, wherein the configuration parameters comprise; a first value for a first timer; and a second value for a second timer, wherein the second timer is associated with monitoring a downlink control channel; and a wireless device configured to; receive, from the base station, the one or more messages comprising the configuration parameters; receive a medium-access control (MAC) control element (CE) indicating an activation of the cell; based on the MAC CE; activate the cell; and start the first timer; receive first downlink control information (DCI) indicating monitoring of the downlink control channel based on the first DCI; start the second timer; and monitor the downlink control channel; and receive, while the first timer and the second timer are both running, second DCI comprising one or more of a downlink assignment or an uplink grant. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36, 37)
-
Specification