US 12,069,026 B2
Power line communication (PLC) denial of service attack
Ramanathan Subramanian, Chennai (IN); Jain Roy Ambi, Chennai (IN); and Srinivas Katar, Fremont, CA (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on Jun. 21, 2022, as Appl. No. 17/808,105.
Prior Publication US 2023/0412212 A1, Dec. 21, 2023
Int. Cl. H04L 9/40 (2022.01)
CPC H04L 63/0227 (2013.01) [H04L 63/12 (2013.01); H04L 63/1458 (2013.01)] 37 Claims
OG exemplary drawing
 
1. A method of a first node in a power line communication (PLC) network, comprising:
establishing a PLC network over a communication medium, the PLC network including at least the first node and a second node;
negotiating a custom preamble for the PLC network; and
activating a countermeasure in the PLC network in association with a denial of service attack associated with one or more transmissions injected onto the communication medium to disrupt PLC network communications, wherein activating the countermeasure includes utilizing the custom preamble for PLC network communications between the first node and the second node.