Method and apparatus for protecting a primary service in WLAN system
First Claim
1. An apparatus operating as a first station in a wireless local area network (WLAN) system, the apparatus comprising:
- a processor comprising;
a MAC sublayer management entity (MLME); and
a station management entity (SME); and
a transceiver connected to the processor,wherein the SME is configured to transmit a MLME-WSM.request primitive to the MLME, the MLME-WSM.request primitive comprising MAC address of a second station and White Space Map (WSM) information identifying available channels and transmit powers on the available channels, the WSM having a format of White Space Map Element comprising a map identifier, the map identifier indicating whether the WSM is updated or not, andwherein the MLME is configured to transmit a frame comprising the WSM to a MLME of the second station through the transceiver.
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Abstract
A method and an apparatus for protecting a primary service as an unlicensed device in a regulatory domain where a licensed device and the unlicensed device are permitted to operate are disclosed. For protecting a primary service by a station as an unlicensed device in a regulatory domain where a licensed device and the unlicensed device are permitted to operate, the unlicensed device acquires a list of identified available channels for the operation of the unlicensed device and maximum allowed transmission powers of the identified available channels from a regulatory domain database system; generates a white space map (WSM) comprising the list of identified available channels and the maximum allowed transmission powers of the identified available channels; updates the WSM when the station acquires information that a primary service signal is detected on a specific channel which is indicated as available in the WSM; and transmits the updated WSM to another station such that the another station moves to another channel if the another station is operating on the specific channel.
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Citations
5 Claims
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1. An apparatus operating as a first station in a wireless local area network (WLAN) system, the apparatus comprising:
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a processor comprising; a MAC sublayer management entity (MLME); and a station management entity (SME); and a transceiver connected to the processor, wherein the SME is configured to transmit a MLME-WSM.request primitive to the MLME, the MLME-WSM.request primitive comprising MAC address of a second station and White Space Map (WSM) information identifying available channels and transmit powers on the available channels, the WSM having a format of White Space Map Element comprising a map identifier, the map identifier indicating whether the WSM is updated or not, and wherein the MLME is configured to transmit a frame comprising the WSM to a MLME of the second station through the transceiver. - View Dependent Claims (2, 3, 4, 5)
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Specification