Data transmission system, encoding apparatus and encoding method
First Claim
1. An encoding apparatus comprising:
- a memory storing original packets, and programs for encoding of the original packets, andat least one processor in communication with the memory, the at least one processor being configured to;
encode the original packets sequentially generated from a codec using an encoding matrix to generate an encoded packet in units of a generation;
use information provided from the codec to dynamically determine a generation size according to a generation time of the original packets and to dynamically determine a generation boundary of the original packets to encode the original packets; and
generate the encoding matrix having a matrix size corresponding to the generation size dynamically determined according to the generation time of the original packets,wherein encoding is performed on the original packets that belong to the same generation having the generation size,wherein the generation boundary, the generation size and the matrix size are variable according to a voice interruption from a voice over IP (VoIP) codec,wherein the at least one processor is configured to generate encoded data that comprises information corresponding to the encoded packet, the encoding matrix, a generation identifier for identifying the generation, and a sequence number of a last original packet among the original packets that belong to the same generation, the generation identifier being set to the smallest value among the sequence numbers of original packets that belong to the same generation, andwherein the at least one processor is configured to generate the encoded data to comprise only elements excluding zero among elements of an encoding vector of the encoding matrix.
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Abstract
Provided are a data transmission system, an encoding apparatus, and a decoding method. The encoding apparatus includes an encoding unit configured to use an encoding matrix to encode original packets sequentially generated from a codec to generate an encoded packet in units of a generation. The encoding unit is configured to use information provided from the codec to dynamically determine a generation boundary of the original packets to encode the original packets. The encoding unit is configured to dynamically a generation size according to a generation time of the original packets. According to embodiments of the inventive concept, it is possible to use information provided from a VoIP codec to dynamically determine the boundary or size of a generation to decrease a standby time upon encoding/decoding, and may recover the loss of packets that may occur in a wired/wireless network.
11 Citations
4 Claims
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1. An encoding apparatus comprising:
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a memory storing original packets, and programs for encoding of the original packets, and at least one processor in communication with the memory, the at least one processor being configured to; encode the original packets sequentially generated from a codec using an encoding matrix to generate an encoded packet in units of a generation; use information provided from the codec to dynamically determine a generation size according to a generation time of the original packets and to dynamically determine a generation boundary of the original packets to encode the original packets; and generate the encoding matrix having a matrix size corresponding to the generation size dynamically determined according to the generation time of the original packets, wherein encoding is performed on the original packets that belong to the same generation having the generation size, wherein the generation boundary, the generation size and the matrix size are variable according to a voice interruption from a voice over IP (VoIP) codec, wherein the at least one processor is configured to generate encoded data that comprises information corresponding to the encoded packet, the encoding matrix, a generation identifier for identifying the generation, and a sequence number of a last original packet among the original packets that belong to the same generation, the generation identifier being set to the smallest value among the sequence numbers of original packets that belong to the same generation, and wherein the at least one processor is configured to generate the encoded data to comprise only elements excluding zero among elements of an encoding vector of the encoding matrix. - View Dependent Claims (2, 3, 4)
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Specification