| 摘要 |
Techniques for managing detection, dynamic allocation, and sharing of available spectrum via cognitive radio systems and dynamic spectrum sharing. In some cases, RF carriers (e.g., secondary carriers or secondary cells) are not permanently assigned to base stations, user terminals, or the network. A base station can request allocation of secondary carriers using a reservation request. The assigned secondary carriers can be released and made available for assignment to another base station or radio access network.
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