IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0556875
(2009-09-10)
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등록번호 |
US-8243671
(2012-08-14)
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발명자
/ 주소 |
- Hart, Brian
- Rangarajan, Raghuram
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
1 인용 특허 :
2 |
초록
▼
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.
대표청구항
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1. An apparatus, comprising: an interface; andchannel selection logic coupled to the interface;wherein 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;wherein
1. An apparatus, comprising: an interface; andchannel selection logic coupled to the interface;wherein 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;wherein 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; andwherein the channel selection logic selects the channel for the wireless device whose graph has the smallest radius. 2. The apparatus set forth in claim 1, wherein responsive to more than one graph having the smallest radius, the control logic is further configured to select the channel whose graph has a minimum number of vertices from the channels whose graph have the smallest radius. 3. The apparatus set forth in claim 2, wherein responsive to more than one graph having the smallest radius and minimum number of vertices, the control logic is further configured to select a channel having a maximal maximum signal strength between the wireless device and neighboring wireless devices from the channels whose graph have the smallest radius and minimum number of vertices. 4. The apparatus set forth in claim 2, wherein responsive to more than one graph having the smallest radius and minimum number of vertices, the control logic is further configured to select a channel having a minimal maximum signal strength between the wireless device and neighboring wireless devices from the channels whose graph have the smallest radius and minimum number of vertices. 5. The apparatus set forth in claim 1, wherein responsive to more than one graph having the smallest radius, the control logic is further configured to select a channel having a maximal maximum signal strength between the wireless device and neighboring wireless devices from the channels whose graph have the smallest radius. 6. The apparatus set forth in claim 1, wherein responsive to more than one graph having the smallest radius, the control logic is further configured to select a channel having a minimal maximum signal strength between the wireless device and neighboring wireless devices from the channels whose graph have the smallest radius. 7. The apparatus set forth in claim 1, wherein responsive to more than one graph having the smallest radius, the control logic is further configured to randomly select one of the channels whose graph has the smallest radius. 8. The apparatus set forth in claim 1, wherein responsive to more than one graph having the smallest radius, the control logic is further configured to select one of the channels having the smallest radius whose graph has a minimum number of edges. 9. The apparatus set forth in claim 1, wherein the wireless device and neighboring wireless device select an algorithm for selecting the channel, the algorithm selected from a group consisting of selecting a channel whose graph has the smallest radius and minimum number of vertices; selecting a channel whose graph has the smallest radius, minimum number of vertices and maximal maximum signal strength between the wireless device and neighboring wireless devices; selecting a channel whose graph has the smallest radius, minimum number of vertices and minimal maximum signal strength between the wireless device and neighboring wireless devices; selecting a channel whose graph has the smallest radius and maximal maximum signal strength between the wireless device and neighboring wireless devices; and selecting a channel whose graph has the smallest radius and minimal maximum signal strength between the wireless device and neighboring wireless devices. 10. The apparatus set forth in claim 1, wherein the interface is a wireless interface; and wherein the control logic is configured to have the wireless interface scan the plurality of channels and measure received signal strength indication for neighboring wireless devices found on each channel. 11. The apparatus set forth in claim 10, wherein the control logic is further configured to obtain a connectivity graph from the wireless devices found on each channel via the wireless interface. 12. The apparatus set forth in claim 1, wherein the interface is coupled to a distribution network that is coupled to the neighboring wireless devices; and wherein the data representative of neighboring wireless devices to a wireless device occupying a channel for a plurality of channels via the interface is acquired from the wireless device and from the neighboring wireless devices. 13. The apparatus set forth in claim 1, wherein the interface is a wireless interface associated with the wireless device; and wherein the data representative of neighboring wireless devices occupying the plurality of channels is obtained via the wireless interface. 14. A method, comprising: obtaining data representative of neighboring wireless devices to a wireless device occupying a channel for a plurality of channels via the interface;generating a graph for each of the plurality of channels based on the data representative of wireless devices, 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;determining a center of the graph for each of the plurality of channels;determining a connectivity extent of the graph for each of the plurality of channels; andselecting the channel from the plurality of channels whose graph has the smallest connectivity extent. 15. The method of claim 14, further comprising obtaining a connectivity graph from the neighboring wireless devices. 16. The method of claim 14, wherein at least two graphs have the smallest connectivity extent, the method further comprising selecting a channel whose graph has a minimum number of vertices from the at least two graphs. 17. The method of claim 14, wherein at least two graphs have the smallest connectivity extent and a minimum number of vertices, the method further comprising selecting a channel having a maximal maximum signal strength between the wireless device and neighboring wireless devices from the channels associated with the at least two graphs. 18. The method of claim 14, wherein at least two graphs have the smallest connectivity extent and a minimum number of vertices, the method further comprising selecting a channel having a minimal maximum signal strength between the wireless device and neighboring wireless devices from the channels associated with the at least two graphs. 19. The method of claim 14, wherein at least two graphs have the smallest connectivity extent, the method further comprising selecting a channel having a maximal maximum signal strength between the wireless device and neighboring wireless devices from the channels associated with the at least two graphs. 20. The method of claim 14, wherein at least two graphs have the smallest connectivity extent, the method further comprising selecting a channel having a minimal maximum signal strength between the wireless device and neighboring wireless devices from the channels associated with the at least two graphs.
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