Patent ID: 9736871
Date: 2017-08-15
CPC Classifications: H04L,H04W

Claim:
1. A method for transmitting and receiving information related to an association identification (AID) by a second non-access point station (non-AP STA) in a wireless communication system, the method comprising: performing, by the second non-AP STA, a direct link setup procedure with a first non-AP STA; receiving, from the first non-AP STA by the second non-AP STA having a direct link to the first non-AP STA, an announcement frame related to an updated AID of the first non-AP STA, when an AP has changed an AID of the first non-AP STA after the direct link setup procedure; and transmitting, to the first non-AP STA by the second non-AP STA, an acknowledgement (ACK) frame in response to the announcement frame, wherein the announcement frame contains one or more AID-MAC address pairs, and wherein the second non-AP STA updates the AID of the first non-AP STA to the updated AID based on the one or more AID-MAC address pairs.