Patent ID: 8798271
Filing Date: 2014-08-05
Classification: H04L,H04W

Abstract:
1. A wireless communication circuit comprising: a receiver configured to receive at least one of a beacon frame and a probe response frame from a first wireless communication apparatus belonging to a first communication group, at least one of the beacon frame and the probe response frame including first security information indicating a first encryption method, the first encryption method to be applied to data transmitted to wireless communication apparatuses belonging to the first communication group; and a transmitter configured to transmit an association request frame to the first wireless communication apparatus, the association request frame including second security information indicating a second encryption method which is supported by the wireless communication circuit, after a determination that the second encryption method overlaps with the first encryption method, and configured to decline to associate with the first wireless communication apparatus, if the first encryption method fails to overlap with the second encryption method, and configured to transmit a data frame including a frame body, the frame body including data encrypted by the second encryption method, after a reception of an association response frame including a status code that indicates successful association with the first wireless communication apparatus, wherein the association request frame includes a frame control field and a frame body, the frame body includes the second security information, the frame control field includes a type field, and the type field includes information indicating that the association request frame is classified as a management frame.