FRAME BASED, ON-DEMAND SPECTRUM CONTENTION METHODOLOGY
First Claim
1. A protocol for frame-based, on-demand spectrum contention in a wireless cognitive radio communication system including a plurality of base stations, the protocol comprising:
- determining whether a communication channel can be exclusively used by a first of the plurality of base stations; and
responsive to exclusive use of the communication channel being denied to the first of the plurality of base stations, conducting a frame-based, on-demand spectrum contention between the first and at least one other of the plurality of base stations for exclusive use of at least one of a plurality of data frames associated with the communication channel.
2 Assignments
0 Petitions
Accused Products
Abstract
A frame-based, on-demand spectrum contention protocol provides a fine grain allocation of a shared spectrum resource in a cognitive radio network. Each frame of a plurality of synchronized superframes is allocated independently based on contention criteria. As demands for increased spectrum resources are realized, targeted protocol is followed resulting in targeted requests issued to base stations currently occupying certain data frames. A contention resolution process occurs at the base station currently occupying the targeted spectrum resource in which spectrum contention numbers generated by each base station vying for access to a shared spectrum are compared. The base station winning the contention is announced and after a predetermined period of time, the contention winner occupies the contended spectrum resource.
-
Citations
26 Claims
-
1. A protocol for frame-based, on-demand spectrum contention in a wireless cognitive radio communication system including a plurality of base stations, the protocol comprising:
-
determining whether a communication channel can be exclusively used by a first of the plurality of base stations; and responsive to exclusive use of the communication channel being denied to the first of the plurality of base stations, conducting a frame-based, on-demand spectrum contention between the first and at least one other of the plurality of base stations for exclusive use of at least one of a plurality of data frames associated with the communication channel. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. A wireless cognitive radio communication system contention resolution protocol, comprising:
-
receiving a demand at a base station in the wireless cognitive radio communication system for additional use of a portion of a shared spectrum, wherein the base station is one of a plurality of base stations in the wireless cognitive radio spectrum communication system; and determining whether the portion of the shared spectrum can be exclusively used by the base station. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16)
-
-
17. A method for resolving frame-based, on-demand contention for shared spectrum resources in a cognitive radio communication system, the method comprising:
-
identifying a demand for additional shared spectrum resources at one of a plurality of base stations comprising the cognitive radio communication system; determining whether the demand is originating external to the one of the plurality of base stations or whether the demand is originating internal to the one of the plurality of base stations; responsive to determining the demand is internal, identifying on a frame-by-frame basis which data frames of a superframe are available for use by the one of the plurality of base stations, and responsive to identifying at least one data frame that is available for use, acquiring the at least one data frame for use by the one of the plurality of base stations; and responsive to determining the demand is external, contending for data frames of the superframe targeted by other base stations of the plurality of bases stations on a frame-by-frame basis. - View Dependent Claims (18, 19, 20, 21, 22, 23)
-
-
24. A system for frame-based, on-demand contention for shared spectrum resources in a cognitive radio communication system, the system comprising:
-
a Wireless Radio Area Network (WRAN) array of WRAN identification numbers wherein each WRAN identification number represents a WRAN cell; a Spectrum Contention Number (SCN) array of spectrum contention numbers wherein each spectrum contention number in the spectrum contention number array is associated with one WRAN identification number of the WRAN array; at least one data frame wherein the at least one data frame is begin contended for by each of the WRAN cells of the WRAN array; and a contention engine operable to determine a SCN winner based on a comparison of the spectrum contention numbers in the spectrum contention array.
-
- 25. The method of claim 25 wherein the determination of a WRAN winner is characterized by:
Specification