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Transmitter, transmission method, receiver, reception method, program, and integrated circuit

A technology of a sending device and a generating unit, which is applied in the fields of sending device, sending, receiving device, receiving, program and integrated circuit, and can solve the problems of increasing the dynamic range of the receiving device, increasing the cost, increasing the number of signal processing bits, etc.

Active Publication Date: 2015-05-13
TIANMA MICRO ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For this reason, it is necessary to significantly increase the dynamic range of the receiving device, that is, significantly increase the number of bits for signal processing, resulting in an increase in the amount of computation and cost of the receiving device, which becomes a problem

Method used

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  • Transmitter, transmission method, receiver, reception method, program, and integrated circuit
  • Transmitter, transmission method, receiver, reception method, program, and integrated circuit
  • Transmitter, transmission method, receiver, reception method, program, and integrated circuit

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Embodiment approach 1

[0151] figure 1 It is a figure which shows the structure of the transmission apparatus 100 in Embodiment 1 of this invention. For the same constituent elements as those of the conventional transmission device, the same reference numerals are used, and the description is omitted.

[0152] figure 1 The sending device 100 and Figure 32 Compared with the conventional transmitting device 1000 shown, the energy dispersing unit 121 is added to the L1 signaling information encoding unit 111.

[0153] in figure 1 In the transmitting device 100 of the above, the energy dispersing unit 121 sequentially performs energy dispersal on the L1-pre information and the L1-post information generated by the L1 signaling information generating unit 1021. The L1-pre error correction coding unit 1031 performs error correction coding of the L1-pre information after energy diffusion by BCH coding and LDPC coding. The L1-post error correction coding unit 1032 performs error correction coding of the L1-p...

Embodiment approach 2

[0168] Figure 4 It is a figure which shows the structure of the transmission apparatus 200 in Embodiment 2 of this invention. The same reference numerals are used for the same constituent elements as those of the conventional transmission device and the transmission device of Embodiment 1, and descriptions thereof are omitted.

[0169] Figure 4 The sending device 200 and Figure 32 Compared with the conventional transmitting device 1000 shown, the energy dispersing unit 121 is added to the L1 signaling information encoding unit 211. However, in Embodiment 1 and Embodiment 2, the additional position of the energy diffusion section 121 is different.

[0170] in Figure 4 In the transmitting device 200 of, the energy dispersing unit 121 performs the error correction coded L1-pre information output from the L1-pre error correction coding unit 1031 and the error correction coded information output from the L1-post error correction coding unit 1032 L1-post information, followed by ene...

Embodiment approach 3

[0183] Image 6 It is a figure which shows the structure of the transmission apparatus 300 in Embodiment 3 of this invention. For the same constituent elements as those of the conventional transmission device, the same reference numerals are used, and the description is omitted.

[0184] Image 6 The sending device 300 and Figure 32 Compared with the conventional transmission device 1000 shown, the L1 signaling information generating unit 321 in the L1 signaling information encoding unit 311 is replaced.

[0185] in Image 6 In the transmitting apparatus 300 of, the L1 signaling information generating unit 321 generates L1 signaling information based on the transmission parameters, that is, converts the transmission parameters into L1 signaling information (L1-pre information and L1-post information) and outputs it. At this time, the L1 signaling information generating unit 321 inverts the bit pattern of the L1-post information part (except PLP_ID) related to the PLP whose PLP_ID ...

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Abstract

A transmitter 100 includes an L1 signaling data coder 111. In the L1 signaling data coder 111, an L1 signaling data generator 1021 converts transmission parameters into L1-pre signaling data and L1-post signaling data and outputs the L1-pre signaling data and the L1-post signaling data, an energy dispersion unit 121 performs energy dispersion on the L1-pre signaling data and the L1-post signaling data in order, and an L1 error correction coder 1022 performs error correction coding, based on BCH coding and LDPC coding, on the energy-dispersed L1-pre signaling data. This allows for randomization of a large bias in mapping data of the L1-pre signaling data and the L1-post signaling data, thus solving the problem of concentration of power in a specific sample within P2 symbols.

Description

[0001] This application is that the application date is December 22, 2010, the application number is 201080061280.7 (the international application number is PCT / JP2010 / 007458), and the title of the invention is "sending device, sending method, receiving device, receiving method, program and integrated circuit" Divisional application of the invention patent application. Technical field [0002] The present invention relates to a technique for reducing PAPR (Peak to Average Power Ratio), which is generated by L1 (Layer-1) signaling information for transmitting transmission parameters of a main signal. Background technique [0003] Through the DVB-T (Digital Video Broadcasting-Terrestrial) method, which is the transmission standard for terrestrial digital TV broadcasting in Europe, the digitization of TV broadcasting is gradually promoted in Europe and other countries. On the other hand, in order to improve frequency utilization efficiency, the standardization of the DVB-T2 method, w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04L27/26H04L25/03
CPCH04L1/0057H04L1/0071H04L25/03866H04L27/2615H04L27/2613H04L27/2626H04L27/2647H04L1/0041H04L1/0045H04L1/0051
Inventor 大内干博井口贺敬
Owner TIANMA MICRO ELECTRONICS CO LTD
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