Apparatus and method for requesting retransmission of lost packet based on mpeg media transport system
AssigneeElectronics and Telecommunications Research Institute
InventorsChang-Ki KIM, Jeong-Ju YOO, Jin-Woo HONG
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Abstract
An apparatus for requesting retransmission of a lost packet, based on MPEG media transport (MTT) system, may include a packet receiver configured to receive an MPEG media transport (MMT) packet stream from an MMT sending entity; a message generator configured to generate an automatic repeat request (ARQ) feedback (AF) signaling message that includes a packet identifier (ID) that has been assigned to a lost packet; and a message sender configured to transmit the generated AF signaling message to the MMT sending entity.
Claims8
An apparatus for requesting retransmission of lost packets based on a Moving Picture Experts Group (MPEG) media transport system, the apparatus comprising:
- a packet receiver configured to receive an MPEG media transport (MMT) packet stream from an MMT sending entity;
- a message generator configured to generate an automatic repeat request (ARQ) feedback (AF) signaling message that includes a packet identifier (ID) that has been assigned to a lost packet;
- and
- a message sender configured to transmit the generated AF signaling message to the MMT sending entity.
A method for requesting retransmission of a lost packet, based on an MPEG media transport system, the method comprising:
- receiving an ARQ configuration (AC) message from an MPEG media transport (MTT) sending entity and setting an ARQ;
- receiving an MMT packet stream from the MMT sending entity;
- checking whether a packet is lost in the received MMT packet stream;
- in response to a lost packet being identified by the checking, generating an AF signaling message to request retransmission of the lost packet, the generated signaling message including a packet ID which has been assigned to the lost packet;
- and
- transmitting the generated AF signaling message to the MMT sending entity.
Dependencies are inferred from the claim text.