US 12,244,412 B2
Channel selection for dynamic-frequency-selection channels using puncturing
Benjamin Jacob Cizdziel, San Jose, CA (US); Brian Donald Hart, Sunnyvale, CA (US); Pooya Monajemi, San Jose, CA (US); and Vishal Satyendra Desai, San Jose, CA (US)
Assigned to Cisco Technology, Inc., San Jose, CA (US)
Filed by Cisco Technology, Inc., San Jose, CA (US)
Filed on Oct. 5, 2023, as Appl. No. 18/481,702.
Application 18/481,702 is a division of application No. 17/654,534, filed on Mar. 11, 2022, granted, now 11,817,949.
Application 17/654,534 is a continuation of application No. 16/748,582, filed on Jan. 21, 2020, granted, now 11,303,385, issued on Apr. 12, 2022.
Application 16/748,582 is a continuation of application No. 16/118,667, filed on Aug. 31, 2018, granted, now 10,541,778, issued on Jan. 21, 2020.
Prior Publication US 2024/0031057 A1, Jan. 25, 2024
Int. Cl. H04L 1/00 (2006.01); H04L 47/125 (2022.01); H04L 47/2441 (2022.01); H04W 16/14 (2009.01); G01S 7/02 (2006.01)
CPC H04L 1/0013 (2013.01) [H04L 47/125 (2013.01); H04L 47/2441 (2013.01); H04W 16/14 (2013.01); G01S 7/021 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A method, comprising,
at a wireless network device, the wireless network device comprising one or more processors and memory storing instructions for execution by the one or more processors:
wirelessly communicating with one or more client devices over a channel that comprises a plurality of subchannels comprising a primary subchannel and a plurality of secondary subchannels;
detecting interference on at least a first subchannel of the plurality of secondary subchannels;
selecting, based on the detecting the interference on the first subchannel and based on one or more factors, an interference mitigation method from a plurality of interference mitigation methods; and
executing the selected interference mitigation method,
wherein at least a first interference mitigation method comprises puncturing the first subchannel, and
wherein at least a second interference mitigation method comprises redefining the channel, wherein redefining the channel comprises ceasing to use the plurality of secondary subchannels while continuing to use the primary subchannel.