摘要:
The present invention relates to a method and apparatus for performing communication by obtaining available channel information through an unlicensed device in which operations are permitted within an available channel and is not used by a licensed device in a white space band, includes the steps of: transmitting a message for requesting available channel information to a database device; receiving the available channel information including first information for indicating a format of the available channel information and second information for identifying the available channel, in response to the message for requesting the available channel information; and obtaining the second information using the first information and transmitting and receiving signals within the available channel corresponding to the second information, wherein the format of the available channel information can be changed according to country.
摘要:
The present invention relates to a station (hereinafter, ‘STA’) operation method and apparatus in a TV whitespace. In a TVWS band, when an STA operating as an unlicensed device with permission to operate in an available channel not used by a licensed device needs to operate in the TVWS band by acquiring information on the available channel, the STA transmits an available channel information request message to a device having database information; receives, from the device having database information, an ACK message for the available channel information that includes (a) identification information on an available channel, (b) information on the maximum allowable power level in the available channel, and (c) information on valid time of the available channel; and transmits/receives a signal using the information of (a), (b) and (c), i.e., using the maximum allowable power level within the valid time in the available channel.
摘要:
The present invention relates to a method and apparatus for performing communication by obtaining available channel information through an unlicensed device in which operations are permitted within an available channel and is not used by a licensed device in a white space band, includes the steps of: transmitting a message for requesting available channel information to a database device; receiving the available channel information including first information for indicating a format of the available channel information and second information for identifying the available channel, in response to the message for requesting the available channel information; and obtaining the second information using the first information and transmitting and receiving signals within the available channel corresponding to the second information, wherein the format of the available channel information can be changed according to country.
摘要:
A station forms a connection with a first access point (AP): a particular station for storing first active station identification information of an active station that manages the activation of the station serviced by said first AP accesses a region serviced by a second AP, and receives from said second AP a message for containing second active station identification information of the active station that manages the activation of the station serviced by said second AP; said first active station identification information is compared with said second active station identification information; and if said first active station identification information is different from said second active station identification information, a procedure for changing the active station and a handover to said second AP are performed to a second active STA corresponding to said second active station identification information.
摘要:
Disclosed are a method and apparatus for transceiving channel transmit power information in a wireless communication system. According to one embodiment of the present invention, transmit power information for the channel available for the device which operates in a television band may be signaled for each individual channel.
摘要:
Methods and apparatuses for a specific station, operating as a non-AP (Access Point) station permitted to operate within available channels not used by a licensed device, to operate as an AP station in a Wireless Local Area Network (WLAN) are disclosed. A specific protocol related to a registration of a station's location to operate within a white space id defined whose Information IDs comprises a registration request and a registration response. Using the defined registration request and registration response, the station can register its geographical location with a Registered Location Server (RLS), and operate as an AP STA within WS.
摘要:
The present invention relates to a station (hereinafter, ‘STA’) operation method and apparatus in a TV whitespace. In a TVWS band, when an STA operating as an unlicensed device with permission to operate in an available channel not used by a licensed device needs to operate in the TVWS band by acquiring information on the available channel, the STA transmits an available channel information request message to a device having database information; receives, from the device having database information, an ACK message for the available channel information that includes (a) identification information on an available channel, (b) information on the maximum allowable power level in the available channel, and (c) information on valid time of the available channel; and transmits/receives a signal using the information of (a), (b) and (c), i.e., using the maximum allowable power level within the valid time in the available channel.
摘要:
The present invention relates to a station (hereinafter, ‘STA’) operation method and apparatus in a TV whitespace. In a TVWS band, when an STA operating as an unlicensed device with permission to operate in an available channel not used by a licensed device needs to operate in the TVWS band by acquiring information on the available channel, the STA transmits an available channel information request message to a device having database information; receives, from the device having database information, an ACK message for the available channel information that includes (a) identification information on an available channel, (b) information on the maximum allowable power level in the available channel, and (c) information on valid time of the available channel; and transmits/receives a signal using the information of (a), (b) and (c), i.e., using the maximum allowable power level within the valid time in the available channel.
摘要:
The present invention relates to a station (hereinafter, ‘STA’) operation method and apparatus in a TV whitespace. In a TVWS band, when an STA operating as an unlicensed device with permission to operate in an available channel not used by a licensed device needs to operate in the TVWS band by acquiring information on the available channel, the STA transmits an available channel information request message to a device having database information; receives, from the device having database information, an ACK message for the available channel information that includes (a) identification information on an available channel, (b) information on the maximum allowable power level in the available channel, and (c) information on valid time of the available channel; and transmits/receives a signal using the information of (a), (b) and (c), i.e., using the maximum allowable power level within the valid time in the available channel.
摘要:
A method and an apparatus for Dynamic Station Enablement (DSE) procedure in a wireless local area network system are disclosed. For a method of enabling a dependent station to operate within a white space as an unlicensed device by an enabling station, the method comprises: transmitting, from the enabling station to the dependent station, an enabling signal to permit the dependent station to operate within a TV white space; transmitting, from the enabling station to the dependent station, a white space map element which indicates an available channel list in the TV white space such that the dependent station operates only within the available channels identified by the white space map element, wherein the white space map element is transmitted via one of a beacon frame, a probe response frame and a white space map announcement frame; and exchanging a DSE (dynamic station enablement) related message between the enabling station and the dependent station on one or more of the available channels identified by the white space map element.