US 12,439,452 B2
Method for zero-wait dynamic frequency selection and apparatus using the same
Ting-Che Tseng, Hsinchu (TW); Kuo-Tai Chiu, Hsinchu (TW); and Chi-Lun Hsu, Hsinchu (TW)
Assigned to MEDIATEK INC., Hsinchu (TW)
Filed by MEDIATEK INC., Hsinchu (TW)
Filed on Dec. 21, 2022, as Appl. No. 18/069,298.
Claims priority of provisional application 63/294,869, filed on Dec. 30, 2021.
Prior Publication US 2023/0217489 A1, Jul. 6, 2023
Int. Cl. H04W 74/0808 (2024.01); H04W 76/10 (2018.01)
CPC H04W 74/0808 (2013.01) [H04W 76/10 (2018.02)] 18 Claims
OG exemplary drawing
 
1. An apparatus, comprising:
a first device, configured to establish a wireless link with a wireless communication device in a first communication channel;
a second device, configured to perform a first scan on a selected portion of a second communication channel to detect whether there are any radar signals on the selected portion of the second communication channel for a predetermined period of time; and
a control circuit, coupled to the first device and the second device;
wherein in response to the first scan satisfying a predetermined condition, the control circuit controls the first device to move the wireless link from the first communication channel to the selected portion of the second communication channel.