Method and apparatus for transceiving channel availability query and response in a wireless communication system
First Claim
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1. A method of receiving available channel information by a requester station (STA) in a wireless communication system, the method comprising:
- sending a channel availability query (CAQ) request message including a location information of the requester STA to a responder STA; and
receiving a CAQ response message including an available channel list from the responder STA,wherein, when the location information comprises an information on a plurality of the locations of the requester STA, the available channel list is a white space map (WSM) commonly applicable for the plurality of the locations.
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Abstract
The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for transceiving channel availability query and response in a wireless communication system. According to the present invention, a scheme is provided to enable devices which operate in TVWS to request/response information on an available channel in a plurality of geographical locations in a more accurate and efficient manner.
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Citations
13 Claims
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1. A method of receiving available channel information by a requester station (STA) in a wireless communication system, the method comprising:
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sending a channel availability query (CAQ) request message including a location information of the requester STA to a responder STA; and receiving a CAQ response message including an available channel list from the responder STA, wherein, when the location information comprises an information on a plurality of the locations of the requester STA, the available channel list is a white space map (WSM) commonly applicable for the plurality of the locations. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of transmitting available channel information by a responder station (STA) in a wireless communication system, the method comprising:
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receiving a channel availability query (CAQ) request message including a location information of a requester STA from the requester STA; and sending a CAQ response message including an available channel list to the requester STA by creating the CAQ response message using information included in the CAQ request message, wherein, when the location information comprises an information on a plurality of the locations of the requester STA, the available channel list is a white space map (WSM) commonly applicable for the plurality of the locations.
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12. A requester station (STA) receiving available channel information in a wireless communication system, comprising:
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a processor configured to create a channel availability query (CAQ) request message including a location information of the requester STA; and a transceiver configured to send the created CAQ request message to a responder STA, the transceiver configured to receive a CAQ response message including an available channel list from the responder STA, wherein, when the location information comprises an information on a plurality of the locations of the requester STA, the available channel list is a white space map (WSM) commonly applicable for the plurality of the locations.
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13. A responder station (STA) transmitting available channel information in a wireless communication system, comprising:
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a transceiver configured to receive a channel availability query (CAQ) request message including a location information of a requester STA from the requester STA; and a processor configured to create a CAQ response message including an available channel list using information included in the CAQ request message, the processor configured to transmit the created CAQ response message to the requester STA via the transceiver, wherein, when the location information comprises an information on a plurality of the locations of the requester STA, the available channel list is a white space map (WSM) commonly applicable for the plurality of the locations.
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Specification