SYSTEMS, APPARATUSES, AND METHODS TO SUPPORT DYNAMIC SPECTRUM ACCESS IN WIRELESS NETWORKS
First Claim
1. A wireless communication system, comprising:
- at least one cognitive base station configured to communicate over at least one licensed carrier; and
a spectrum accountability server operably coupled to the at least one cognitive base station, wherein the spectrum accountability server is configured to manage spectrum leases to dynamic spectrum access carriers according to a set of spectrum access rules.
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Accused Products
Abstract
A system is disclosed for supporting dynamic spectrum access in wireless networks. The system includes at least one cognitive base station configured to communicate over at least one licensed carrier. The system further includes a spectrum accountability server operably coupled to the at least one cognitive base station. The spectrum accountability server is configured to manage spectrum leases to dynamic spectrum access carriers according to a set of spectrum access rules, and the spectrum accountability server may further be configured to dynamically change the spectrum access rules in response to spectrum usage policies or spectrum availability, or both. A wireless communication network and related method for providing dynamic spectrum access to secondary users of a wireless network are also disclosed herein.
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Citations
30 Claims
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1. A wireless communication system, comprising:
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at least one cognitive base station configured to communicate over at least one licensed carrier; and a spectrum accountability server operably coupled to the at least one cognitive base station, wherein the spectrum accountability server is configured to manage spectrum leases to dynamic spectrum access carriers according to a set of spectrum access rules. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A spectrum accountability server for a wireless network, the spectrum accountability server configured to:
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receive a spectrum lease request from a first cognitive base station of a first network; and issue a spectrum lease to the first cognitive base station to operate on a dynamic spectrum access carrier outside of the first network. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21)
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22. A cognitive base station for a wireless network, the cognitive base station configured to:
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communicate with user equipment over at least one carrier of a first network; communicate with user equipment over at least one among dynamic spectrum access carriers outside of the first network within terms of a spectrum lease issued by a spectrum accountability server; and report spectrum usage metrics to the spectrum accountability server indicating spectrum use of the cognitive base station during the spectrum lease. - View Dependent Claims (23, 24, 25, 26)
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27. A method for providing dynamic spectrum access to at least one secondary user of a wireless network, the method comprising:
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receiving a spectrum lease request for at least one secondary user to operate in a spectrum to which the at least one secondary user does not have a spectrum license; evaluating the spectrum lease request based at least in part on spectrum access rules; permitting the spectrum lease request and issuing a spectrum lease when parameters of the spectrum lease request are within the spectrum access rules; and denying the spectrum lease request when the requested spectrum of the spectrum lease request is not available. - View Dependent Claims (28, 29)
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30. A method of adjusting spectrum access rules that determine at least one among lease requests of secondary users of a wireless network, the method comprising:
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receiving an alarm from at least one of a primary operator and a secondary user; evaluating a cause of the alarm; and adjusting spectrum access rules in response to the cause of the alarm.
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Specification