US Patent No. 11,032,820

RECEIVING WIRELESS LOCAL AREA NETWORK (WLAN) PACKETS FROM CO-LOCATED ACCESS POINT RADIOS AND CLIENT DEVICE RADIOS


Patent No. 11,032,820
Issue Date June 08, 2021
Title Receiving Wireless Local Area Network (wlan) Packets From Co-located Access Point Radios And Client Device Radios
Inventorship Sivadeep Reddy Kalavakuru, Akron, OH (US)
Gerald B. Johnson, Hudson, OH (US)
Michael Marlborough, Akron, OH (US)
Assignee CISCO TECHNOLOGY, INC., San Jose, CA (US)

Claim of US Patent No. 11,032,820

1. A method comprising:placing a plurality of switchable gain devices of an auxiliary radio into a toggling state in response to the auxiliary radio being placed in a sniffer mode, wherein the toggling state comprises a low gain state and a high gain state, wherein the auxiliary radio is co-located with a primary radio at an access point, and wherein the plurality of switchable gain devices are located on a plurality of receiver paths in the auxiliary radio;
determining that the primary radio is transmitting within a frequency range of a frequency band; and
switching, in response to determining that the primary radio is transmitting within the frequency range of the frequency band, a one of the plurality of switchable gain devices of the auxiliary radio corresponding to the frequency band into the low gain state from the high gain state when the auxiliary radio is sniffing the frequency range of the frequency band.