| 摘要 |
PROBLEM TO BE SOLVED: To provide techniques and apparatus for operating in a television white space (TVWS) network.SOLUTION: A method includes receiving, at an apparatus, a message with a field indicating a current version of an unused frequency spectrum map, the unused frequency spectrum map indicating channels usable for wireless communications 502; determining whether the current version of the unused frequency spectrum map (e.g., a white space map (WSM)) is different than a previous version of the unused frequency spectrum map 504; and using a channel for wireless communications on the basis of the determination 506. |
