公开(公告)号：US20220232417A1

公开(公告)日：2022-07-21

申请号：US17595965

申请日：2019-06-28

Applicant: LG ELECTRONICS INC.

Inventor： Seongyeon KIM ,  Jinmin KIM ,  Jaewook SONG ,  Jinsoo CHOI

IPC: H04W28/04 ,  H04W28/14 ,  H04W72/14 ,  H04L5/00

Abstract: The present invention relates to a device for transmitting data in a wireless AV system, and a device for receiving data in a wireless AV system. The present specification discloses a device comprising: a communication unit configured to receive, from an initiator, a forward direction data frame and reverse direction grant information, instructing that reverse direction transmission be allowed, within a transmission opportunity acquired by the initiator, generate and transmit to the initiator, a block ACK frame pertaining to the forward direction data frame, and buffer a reverse direction data frame to be transmitted to the initiator; and a processor connected to the communication unit and configured to acquire AV data from the forward direction data frame.