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Transmitting additional information in the headers of encapsulating data packets in mobile/handheld (M/H) DTV signals

A technology for digital data, additional information, applied in the direction of simultaneous/sequential multi-TV signal transmission, error detection by signal spatial coding, high-definition television systems, etc.

Inactive Publication Date: 2011-04-13
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Another problem with legacy DTV receivers is that a large number of such receivers are sold that are not designed to respond to broadcast DTV signals unless the trellis decoding recovered de-interleaved data fields are primarily filled with specific A (207, 187) Reed-Solomon forward error correction (R-S FEC) codeword of type or a correctable approximation of such a codeword
Furthermore, therefore, the practice of placing the indications for the arrangement of the packets at the head of the packets simply ensures that the indications are received in a timely manner, since the packets and the indications therein undergo similar delays in the receiver

Method used

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  • Transmitting additional information in the headers of encapsulating data packets in mobile/handheld (M/H) DTV signals
  • Transmitting additional information in the headers of encapsulating data packets in mobile/handheld (M/H) DTV signals
  • Transmitting additional information in the headers of encapsulating data packets in mobile/handheld (M/H) DTV signals

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Embodiment Construction

[0017] The M / H system uses a portion of the 19.39Mbps ATSC 8-VSB transmission to provide M / H broadcast services, while the remainder is still available for high-definition or multi-standard definition television services. The M / H system is a dual-stream system including ATSC main service multiplexing and M / H service multiplexing. ATSC main service multiplexing is used for existing digital TV services, and M / H service multiplexing is used for one or more mobile and Handheld service.

[0018] figure 1 A transmitter device of a broadcast DTV signal using SCCC for M / H service data according to an exemplary embodiment of the present invention is shown. The transmitter device receives two sets of input streams: one set includes MPEG transport stream (TS) packets of ATSC main service data, and the other set includes M / H service data. M / H service data is encapsulated in MPEG TS packets before transmission. This avoids legacy 8-VSB receivers from receiving the main service data. M / ...

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Abstract

Apparatus for transmitting digital data in an 8-vestigial sideband (8-VSB) signal format for reception by mobile / handheld (M / H) receivers is described. The apparatus for transmitting digital data includes a generator of MHE packet headers that include additional information about at least part of the digital data and a packet formatter that installs the MHE packet headers in the MHE packets. Apparatus for receiving the digital data and recovering the additional information from the MHE packet headers to be used for modifying operation of the receiving apparatus is also described.

Description

technical field [0001] Apparatus and methods consistent with the present invention relate to over-the-air digital television (DTV) signals, transmitters of broadcast DTV signals, and receivers of broadcast DTV signals. Background technique [0002] The Advanced Television Systems Committee (ATSC) published the digital television standard document A / 53 in 1995 (hereinafter referred to as "A / 53" for brevity). In particular, Annex D of A / 53 entitled "RF / Transmission Systems Characteristics" is incorporated by reference into the above specification. During the early years of the 21st century, efforts have been made to more robustly transmit data over broadcast DTV channels without unduly disrupting the operation of so-called "legacy" DTV receivers already in the art. Robust transmission of data received by receivers for mobile and handheld will be provided in subsequent versions of the ATSC Standard for DTV Broadcasting to Mobile and Handheld Receivers (more briefly referred to...

Claims

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Application Information

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IPC IPC(8): H04N7/015H04N7/08
CPCH03M13/256H03M13/6538H03M13/2936H03M13/253H04N21/41407H04L27/02H04N21/434H04N21/236H04N7/08
Inventor 艾伦·勒罗伊·林伯格
Owner SAMSUNG ELECTRONICS CO LTD