公开(公告)号：US10484148B2

公开(公告)日：2019-11-19

申请号：US15319231

申请日：2015-07-06

Applicant: Samsung Electronics Co., Ltd. ,  UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY

Inventor： Young-Wan So ,  Kyung-Mo Park ,  Doug-Young Suh ,  Yong-Woo Cho

IPC: H04L1/18 ,  H04L29/08 ,  H04N21/236 ,  H04L1/00 ,  H04H60/11 ,  H04N21/24 ,  H04N21/4425 ,  H04N21/647

Abstract: Provided are a method and a device for transmitting and receiving multimedia data. The present invention comprises: receiving of multimedia data and confirming of loss data; determining, with respect to the degree of the loss of the received data, of whether or not the lost data can be recovered by means of application layer forward error correction (AL-FEC); if data recovery by means of the AL-FEC is not possible, making of an automatic retransmission request (ARQ) with respect to the lost data; and receiving of data retransmitted with respect to the ARQ and recovering of the lost data.

公开(公告)号：US10218819B2

公开(公告)日：2019-02-26

申请号：US15251489

申请日：2016-08-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyun-Koo Yang ,  Kyung-Mo Park ,  Young-Wan So ,  Sung-Hee Hwang

IPC: H04L12/28 ,  H04L29/06 ,  H04L12/721 ,  H04L29/08

Abstract: A transmitting apparatus and an operating method for the apparatus in a multimedia system are provided. The operating method includes inputting at least one network layer packet, generating a link layer packet based on the at least one network layer packet, and transmitting the link layer packet. The link layer packet includes a header including information indicating a packet type of the at least one network layer packet, information indicating whether the link layer packet includes a single network layer packet, and information indicating an identifier related to the at least one network layer packet.