Carrier activation in a multi-carrier wireless network
First Claim
Patent Images
1. A method comprising:
- transmitting at least one first message indicating that a wireless device supports configuration of a plurality of licensed cells and a plurality of licensed assisted access (LAA) cells;
receiving, in a first subframe, a media-access-control control element (MAC CE) comprising at least one parameter instructing the wireless device to activate at least one licensed cell and at least one LAA cell;
initiating channel monitoring on the at least one LAA cell before a first maximum number of subframes after the first subframe; and
initiating channel monitoring on the at least one licensed cell after the initiating channel monitoring on the at least one LAA cell and before a second maximum number of subframes after the first subframe, wherein the first maximum number of subframes is different than the second maximum number of subframes.
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Abstract
A wireless device receives, in a first subframe, a media-access-control control element (MAC CE) comprising at least one parameter instructing the wireless device to activate at least one licensed cell and at least one LAA cell. The wireless device performs channel monitoring on the at least one LAA cell before a first maximum number of subframes after the first subframe. The wireless device performs channel monitoring on the at least one licensed cell before a second maximum number of subframes after the first subframe. The first maximum number of subframes and the second maximum number of subframes are different.
114 Citations
18 Claims
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1. A method comprising:
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transmitting at least one first message indicating that a wireless device supports configuration of a plurality of licensed cells and a plurality of licensed assisted access (LAA) cells; receiving, in a first subframe, a media-access-control control element (MAC CE) comprising at least one parameter instructing the wireless device to activate at least one licensed cell and at least one LAA cell; initiating channel monitoring on the at least one LAA cell before a first maximum number of subframes after the first subframe; and initiating channel monitoring on the at least one licensed cell after the initiating channel monitoring on the at least one LAA cell and before a second maximum number of subframes after the first subframe, wherein the first maximum number of subframes is different than the second maximum number of subframes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method comprising:
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transmitting at least one first message indicating that a wireless device supports configuration of a plurality of licensed cells and a plurality of licensed assisted access (LAA) cells; receiving, in a first subframe, a media-access-control control element (MAC CE) comprising at least one first parameter instructing the wireless device to activate at least one licensed cell; receiving, in a second subframe, a second MAC CE comprising at least one second parameter instructing the wireless device to activate at least one LAA cell; initiating channel monitoring on the at least one LAA cell before a first maximum number of subframes after the first subframe; and initiating channel monitoring on the at least one licensed cell after the initiating channel monitoring on the at least one LAA cell and before a second maximum number of subframes after the second subframe, wherein the first maximum number of subframes is different than the second maximum number of subframes. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. A wireless device comprising:
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one or more processors; and memory storing instructions that, when executed, cause the wireless device to; transmit at least one first message indicating that the wireless device supports configuration of a plurality of licensed cells and a plurality of licensed assisted access (LAA) cells; receive, in a first subframe, a media-access-control control element (MAC CE) comprising at least one first parameter instructing the wireless device to activate at least one licensed cell; receive, in a second subframe, a second MAC CE comprising at least one second parameter to activate at least one LAA cell; initiate channel monitoring on the at least one LAA cell before a first maximum number of subframes after the first subframe; and initiate channel monitoring on the at least one licensed cell after the initiating channel monitoring on the at least one LAA cell and before a second maximum number of subframes after the second subframe, wherein the first maximum number of subframes is different than the second maximum number of subframes.
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Specification