Data transmitting device and method

• US 9,729,903 B2
• Filed: 12/31/2014
• Issued: 08/08/2017
• Est. Priority Date: 12/31/2013
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Pedan, Stanislav, Raievskyi, Mykola, Kopysov, Oleg
• Primary Examiner(s): Kamara, Mohamed
• Assistant Examiner(s): Atkins, Jr., George
• Application Number:
  US14/587,601
• Publication Number:
  US 20150189337A1
• Time in Patent Office: 951 Days
• Field of Search: None
• CPC Class Codes: H03M 13/05 using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits H03M13/2906 takes precedence
• CPC Class Codes: H03M 13/6306 Error control coding in combination with Automatic Repeat reQuest [ARQ] and diversity transmission, e.g. coding schemes for the multiple transmission of the same information or the transmission of incremental redundancy H03M13/3761, H03M13/3769 and H03M13/635 take precedence
• CPC Class Codes: H04L 65/612 for unicast
• CPC Class Codes: H04L 69/22 Parsing or analysis of headers
• CPC Class Codes: H04N 19/513 Processing of motion vectors
• CPC Class Codes: H04N 19/58 Motion compensation with long-term prediction, i.e. the reference frame for a current frame not being the temporally closest one H04N19/23 takes precedence
• CPC Class Codes: H04N 21/23406 involving management of server-side video buffer
• CPC Class Codes: H04N 21/23605 Creation or processing of packetized elementary streams [PES]
• CPC Class Codes: H04N 21/2389 Multiplex stream processing, e.g. multiplex stream encrypting
• CPC Class Codes: H04N 21/4385 Multiplex stream processing, e.g. multiplex stream decrypting

Abstract

A device for transmitting a packet includes a first processor configured to generate a first packet based on a first content; a second processor configured to generate a second packet independently from the first processor based on a second content; a signaling processor configured to generate a signaling packet based on the first content and the second content; and a communication interface configured to transmit the first packet, the second packet, and the signaling packet, wherein the first processor, the second processor, and the signaling processor respectively generate the first packet, the second packet, and the signaling packet in parallel.

Claims

1. A device for transmitting a packet comprising:

a first processor configured to generate a first packet based on a first content;

a second processor configured to generate a second packet based on a second content independently from the first processor;

a signaling processor configured to generate a signaling packet based on information extracted from the first content and the second content; and

a communication interface configured to transmit the first packet, the second packet, and the signaling packet separately from each other in parallel,

wherein the first processor, the second processor, and the signaling processor

respectively generate the first packet, the second packet, and the signaling packet in parallel, and

wherein the first processor comprises a media data extractor configured to extract source data in response to the first content corresponding to media data, and a file data extractor configured to extract source data in response to the first content not corresponding to media data.

2. The device of claim 1, wherein the media data extractor and the file data extractor are operated in a MMT application layer of the first processor to extract the source data respectively from the media data and the file data.

3. The device of claim 1, wherein:

the media data extractor configured to extract the source data in response to the first content being determined as media data based on a moving picture experts group (MPEG) media transport (MMT) processing unit (MPU) format of the first content;

the file data extractor configured to extract the source data in response to the first content being determined as file data differentiated from the media data;

the first processor is further configured to generate the first packet based on the extracted source data; and

the signaling packet comprises MMT asset delivery characteristics (MMT ADC) or MMT composition information (MMT CI) extracted from the first content and the second content.

4. The device of claim 1, wherein the first processor comprises a first buffer configured to store the first packet, and

the second processor comprises a second buffer configured to store the second packet.

5. The device of claim 1, wherein the device further comprises one or more processors implementing:

a first forward error correction (FEC) module configured to generate a first FEC repair packet and a first FEC source packet based on the first packet; and

a second FEC module configured to generate a second FEC repair packet and a second FEC source packet based on the second packet,

wherein the communication interface is further configured to transmit the first FEC repair packet, the first FEC source packet, the second FEC repair packet, and the second FEC source packet.

6. The device of claim 1, wherein the device is further configured to determine a number of packets to be generated in parallel based on a number of contents to be transmitted.

7. The device of claim 1, wherein the first packet and the second packet have a MMT format.

8. A device for receiving a packet comprising:

a communication interface configured to receive a first packet, a second packet, and a signaling packet separately from each other in parallel;

a first processor configured to generate a first content based on the first packet;

a second processor configured to generate a second content based on the second packet independently from the first processor; and

a signaling processor configured to generate a signaling content for the first packet and the second packet based on the signaling packet,

wherein the first processor, the second processor, and the signaling processor generate the first packet, the second packet, and the signaling packet in parallel,

wherein the first processor comprises a media data recoverer configured to generate source data in response to the first content corresponding to media data, and a file data recoverer configured to generate source data in response to the first content not corresponding to media data.

9. The device of claim 8, wherein:

the media data recoverer configured to generate source data in response to the first content being determined as media data based on a moving picture experts group (MPEG) media transport (MMT) processing unit (MPU) format of the first content;

the file data recoverer configured to generate source data in response to the first content being determined as file data differentiated from the media data;

the first content is generated based on the source data, and

the signaling, packet comprises MMT asset delivery characteristics (MMT ADC) or MMT composition information (MMT CI) extracted from the first content and the second content.

10. The device of claim 8, wherein the first processor comprises a first buffer configured to store the first packet, and

the second processor comprises a second buffer configured to store the second packet.

11. The device of claim 8, wherein the first packet comprises a first forward error correction (FEC) packet and a first FEC source packet, and the second packet comprises a second FEC packet and a second FEC source packet, further comprising one or more processors implementing:

a first FEC module configured to recover the first FEC source packet based on the first FEC repair packet in response to an error occurring in the first packet; and

a second FEC module configured to recover the second FEC repair packet based on the second FEC repair packet in response to an error occurring in the second packet.

12. The device of claim 8, further comprising a processor configured to determine a number of contents to be generated in parallel based on a number of packets received by the device.

13. The device of claim 8, wherein the first packet and the second packet have a MMT format.

14. A method of transmitting data performed by a transceiver, the method comprising:

generating a first packet based on a first content;

generating a second packet based on a second content independently from the generating the first packet;

generating a signaling packet based on information extracted from the first content and the second content; and

transmitting the first packet, the second packet, and the signaling packet separately from each other in parallel,

wherein the generating the first packet, the second packet, and the signaling packet are performed in parallel,

wherein the generating the first packet comprises extracting source data by a media data extractor of the transceiver in response to the first content corresponding to media data, and extracting source data by a file data extractor of the transceiver in response to the first content not corresponding to media data.

15. The method of claim 14, wherein the generating the first packet comprises extracting source data by a media data extractor of the transceiver in response to the first content being determined as media data based on a moving picture experts group (MPEG) media transport (MMT) processing unit (MPU) format of the first content, and extracting source data by a file data extractor of the transceiver in response to the first content being determined as file data differentiated from the media data,

wherein the first packet is generated based on the extracted source data,

wherein the signaling packet comprises MMT asset delivery characteristics (MMT ADC) or MMT composition information (MMT CI) extracted from the first content and the second content.

16. The method of claim 14, wherein the generating the first packet and the second packet comprises:

storing the first packet in a first buffer of the transceiver; and

storing the second packet in a second buffer of the transceiver.

17. The method of claim 14, wherein the generating the first packet comprises:

generating a first forward error correction (FEC) repair packet and a first FEC source packet based on the first packet; and

transmitting the FEC repair packet and the first FEC source packet.

18. The method of claim 14, further comprising determining a number of packets to be generated in parallel, based on a number of contents to be transmitted.

19. A method of receiving data performed by a transceiver, the method comprising:

receiving a first packet, a second packet, and a signaling packet separately from each other in parallel;

generating a first content based on the first packet;

generating a second content based on the second packet independently from the generating the first content; and

generating a signaling content based on the signaling packet,

wherein the generating the first packet, the second packet, and the signaling packet is performed in parallel,

wherein the generating the first content comprises generating source data by a media data recoverer of the transceiver in response to the received first packet corresponding to a media packet and generating source data by a file data recoverer of the transceiver in response to the received first packet not corresponding to a media packet.

20. The method of claim 19, wherein the generating the first content comprises generating source data by a media data recoverer of the transceiver in response to the received first packet being determined as media data based on a moving picture experts group (MPEG) media transport (MMT) processing unit (MPU) format of the received first packet and generating source data by a file data recoverer of the transceiver in response to the received first packet being determined as file data differentiated from the media data,

wherein the first content is generated based on the source data, and

wherein the signaling packet comprises MMT asset delivery characteristics (MMT ADC) or MMT composition information (MMT CI) extracted from the first content and the second content.

21. The method of claim 19, wherein the generating the first packet and the second packet comprises:

storing the first packet in a first buffer of the transceiver; and

storing the second packet in a second buffer of the transceiver.

22. The method of claim 19, wherein the first packet comprises a first forward error correction (FEC) packet and a first FEC source packet, and the second packet comprises a second FEC repair packet and a second FEC source packet, and

wherein the generating the first content comprises recovering the first FEC source packet based on the first FEC repair packet in response an error occurring in the first FEC source packet.

23. The method of claim 19, further comprising determining a number of contents to be generated in parallel based on a number of packets received by the transceiver.

24. A transceiver comprising one or more processors implementing:

a media data extractor configured to extract source data from a first content and a second content in response to a first packet and a second packet, which respectively include the first content and the second content, corresponding to a media packet;

a file data extractor configured to extract source data from the first content and the second content in response to the first packet and the second packet not corresponding to a media packet;

a first error correction module configured to generate a first source packet and a first repair packet based on a first error correction code and the source data extracted from the first content;

a second error correction module configured to generate a second source packet and a second repair packet based on a second error correction code and the source data extracted from the second content; and

a signal processor configured to extract signaling information from the first content and the second content and generate a signaling packet based on the extracted signaling information;

wherein the first error correction module, the second error correction module, and the signaling processor respectively generate the first source packet, the second source packet, and the signaling packet in parallel.

25. The transceiver of claim 24, wherein the data extractor is further configured to extract the source data in a MMT application layer of the transceiver, and the first and second error correction modules are further configured to generate the first and second source packets in a MMT protocol layer of the transceiver.