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Anti-noise digital mobile broadcast signal transmitting method

A mobile broadcasting and anti-noise technology, applied in the field of mobile communication

Inactive Publication Date: 2011-11-23
薛岗
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0015] Aiming at the problem of high data rate controllable multi-service digital TV anti-noise digital mobile broadcasting, the present invention proposes a signal transmission method for anti-noise digital mobile broadcasting

Method used

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  • Anti-noise digital mobile broadcast signal transmitting method
  • Anti-noise digital mobile broadcast signal transmitting method

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Embodiment Construction

[0034] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0035] A schematic diagram of an embodiment of signal transmission between a transmitter and a receiver according to the anti-noise digital mobile broadcasting signal transmission method proposed by the present invention, as shown in FIG. figure 1 shown, follow these steps:

[0036] 1) The certain anti-noise digital mobile broadcast signal transmitter converts the multimedia data stream into a bit stream through a media data processor, and uses the scrambling code sequence generated by the feedback shift register to perform scrambling processing to form an input data bit stream;

[0037] 2) The certain noise-resistant digital mobile broadcast signal transmitter forms an FFT bit-interleaved coded modulation data block in the frequency domain after its input data bit stream undergoes LDPC encoding, bit interleaving, symbol modulation and symbol ...

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Abstract

The invention discloses an anti-noise digital mobile broadcast signal transmitting method, which relates to a time domain-frequency domain hybrid transmitting scheme. The anti-noise digital mobile broadcast signal transmitting method has the advantages of low peak-to-average power ratio, short synchronization time, noise resistance, multi-service controllability, and the like.

Description

technical field [0001] The invention belongs to the field of mobile communication, and more specifically relates to an anti-noise digital mobile broadcast signal transmission method. Background technique [0002] At present, television broadcasting has gradually developed from analog to digital. Digital TV broadcasting transmission system, as an important part of digital TV broadcasting, the development of its related technologies is closely related to people's quality of life, and therefore has received extensive attention from people. The technology related to digital TV broadcasting and related industries are industries with rapid development and good market prospects in the field of communication and computer. In terms of technologies related to digital TV broadcasting, countries are currently focusing on how to provide low-cost, reliable and high-speed mobile solutions for digital TV broadcasting in a complex wave propagation environment. Transmission technology is th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L27/26H04L25/03H04L1/00
Inventor 郑紫微徐铁峰聂秋华何加铭
Owner 薛岗
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