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AssigneeLG Electronics Inc.
InventorsEunsun Kim, Yongho Seok
Estimating the term…
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.
A method of performing a communication, which is performed by an unlicensed device permitted to operate in an available channel where a licensed device does not use in a white space band, by obtaining information on the available channel, comprising the steps of:
An unlicensed device permitted to operate in an available channel where a licensed device does not use in a white space band, comprising:
Dependencies are inferred from the claim text.