Patent ID: 11962479
Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 6:
7. The abnormality detection method according to claim 6, wherein
the Levenshtein distance between the payloads of the plurality of reference packets is calculated for each pair of reference packets that are N packets apart from each other in each of the one or more reference packet streams, and the calculation is applied in units of M bits to at least a portion of bit strings included in the payloads, N being an integer greater than or equal to 1, M being an integer between 1 and 16, inclusive, and
in the calculating of each of the plurality of reference distances, a reference distance for each pair of reference packets that are N packets apart from each other in each of the one or more reference packet streams is calculated to calculate each of the plurality of reference distances.