Disclosed, in example embodiment herein, is an apparatus comprising an interface and channel selection logic coupled to the interface. The channel selection logic is operable to receive data representative of neighboring wireless devices to a wireless device occupying a channel for a plurality of ch
Disclosed, in example embodiment herein, is an apparatus comprising an interface and channel selection logic coupled to the interface. The channel selection logic is operable to receive data representative of neighboring wireless devices to a wireless device occupying a channel for a plurality of channels via the interface. The channel selection logic is responsive to receiving the data representative of neighboring wireless devices occupying the plurality of channels to generate a graph for each of the plurality of channels, wherein vertices of the graph represent the wireless device and neighboring wireless devices occupying the channel and edges of the graph represent wireless devices with overlapping coverage areas. The channel selection logic selects the channel for the wireless device whose graph has the smallest radius.
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1. Logic encoded in a non-transitory, computer-readable medium for execution by a processor, and when executed operable to: obtain data representative of neighboring wireless devices of a wireless device occupying a channel for a plurality of channels;generate a graph for the plurality of channels,
1. Logic encoded in a non-transitory, computer-readable medium for execution by a processor, and when executed operable to: obtain data representative of neighboring wireless devices of a wireless device occupying a channel for a plurality of channels;generate a graph for the plurality of channels, wherein vertices of the graph represent the wireless device and neighboring wireless devices occupying the channel, wherein edges of the graph represent wireless devices with overlapping coverage areas responsive to obtaining the data representative of neighboring wireless devices occupying the plurality of channels; andselect a channel from the plurality of channels for the wireless device, wherein the selected channel is the channel whose graph has a smallest radius. 2. The logic set forth in claim 1, wherein responsive to more than one graph having the smallest radius, the logic is further operable to select the channel whose graph has a minimum number of vertices from the channels whose graphs have the smallest radius. 3. The logic set forth in claim 2, wherein responsive to more than one graph having the smallest radius and minimum number of vertices, the logic is further operable to select a channel having a maximal maximum signal strength between the wireless device and neighboring wireless devices from the channels whose graphs have the smallest radius and minimum number of vertices. 4. The logic set forth in claim 2, wherein responsive to more than one graph having the smallest radius and minimum number of vertices, the logic is further operable to select a channel having a minimal maximum signal strength between the wireless device and neighboring wireless devices from the channels whose graphs have the smallest radius and minimum number of vertices. 5. The logic set forth in claim 2, wherein responsive to more than one graph having the smallest radius and minimum number of vertices, the logic is further operable to obtain data representative of measured received signal strength indication for neighboring wireless devices found on the plurality of channels; and the logic is further operable to select a channel having a smallest sum of received signal strength indications. 6. The logic set forth in claim 2, wherein responsive to more than one graph having the smallest radius and minimum number of vertices, the logic is further operable to randomly select one of the channels whose graph has the smallest radius. 7. The logic set forth in claim 1, wherein responsive to more than one graph having the smallest radius, the logic is further operable to select a channel having a maximal maximum signal strength between the wireless device and neighboring wireless devices from the channels whose graphs have the smallest radius. 8. The logic set forth in claim 1, wherein responsive to more than one graph having the smallest radius, the logic is further operable to select a channel having a minimal maximum signal strength between the wireless device and neighboring wireless devices from the channels whose graphs have the smallest radius. 9. The logic set forth in claim 1, wherein responsive to more than one graph having the smallest radius, the logic is further operable to randomly select one of the channels whose graph has the smallest radius. 10. The logic set forth in claim 1, wherein responsive to more than one graph having the smallest radius, the logic is further operable to select one of the channels having the smallest radius whose graph has a minimum number of edges. 11. The logic set forth in claim 10, wherein responsive to more than one graph having the smallest radius and minimum number of edges, the logic is further operable to select a channel having a maximal maximum signal strength between the wireless device and neighboring wireless devices from the channels whose graphs have the smallest radius and minimum number of vertices. 12. The logic set forth in claim 11, wherein the logic is further operable to obtain a connectivity graph from wireless devices detected on the plurality of channels. 13. The logic set forth in claim 11, wherein responsive to more than one graph having the smallest radius the logic is further operable to sum the received signal strength indications for the plurality of channels; and the logic is further operable to select a channel having a smallest sum of received signal strength indications. 14. The logic set forth in claim 10, wherein responsive to more than one graph having the smallest radius and minimum number of edges, the logic is further operable to select a channel having a minimal maximum signal strength between the wireless device and neighboring wireless devices from the channels whose graphs have the smallest radius and minimum number of vertices. 15. The logic set forth in claim 10, wherein responsive to more than one graph having the smallest radius and minimum number of edges, the logic is further operable to obtain data representative of measured received signal strength indication for neighboring wireless devices found on the plurality of channels; and the logic is further operable to select a channel having a smallest sum of received signal strength indications. 16. The logic set forth in claim 10, wherein responsive to more than one graph having the smallest radius and minimum number of edges, the logic is further operable to randomly select one of the channels whose graph has the smallest radius. 17. The logic set forth in claim 1, the logic is further operable to generate new graphs for the plurality of channels responsive to determining a new wireless device is operating on the channel. 18. The logic set forth in claim 1, the logic is further operable to generate new graphs for the plurality of channels responsive to determining a wireless device has stopped operating on the channel. 19. The logic set forth in claim 1, wherein the logic is further operable to obtain data representative of measured received signal strength indication for neighboring wireless devices found on the plurality of channels. 20. The logic set forth in claim 1, wherein the data representative of neighboring wireless devices occupying the plurality of channels is obtained by the logic via a wireless interface.
Ahmed,Walid; Jiang,Hong; Kodialam,Muralidharan Sampath; Monogioudis,Pantelis; Rege,Kiran M., Methods and apparatus for topology sensing in networks with mobile nodes.
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