摘要 |
PROBLEM TO BE SOLVED: To provide methods and apparatus for the coexistence of 1-MHz and 2-MHz operation modes within a wireless communication system in accordance with IEEE 802.11ah.SOLUTION: A method includes: scanning a plurality of channel pairs, where each of the channel pairs comprises a first channel having a first channel designation and a second channel having a second channel designation; determining, based on the scan, a set of open channels from the plurality of channel pairs in which no other apparatus is operating; selecting a primary channel on the basis of the determination; and transmitting using the selected primary channel.SELECTED DRAWING: Figure 4 |