Receiving device, receiving method

A receiving device and a technology for receiving signals, applied in the fields of receiving devices, receiving methods and programs, can solve problems such as influence, and achieve the effect of preventing false detection

Active Publication Date: 2018-07-06
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Therefore, when the T2 receiving apparatus has an automatic gain control (AGC) function, there is a problem that the gain of the AGC function follows the level (power) of the FEF section within the interval of the FEF section (the AGC gain is controlled so that the power of the FEF section becomes predetermined power) and affects part of the T2 frame (the received signal of the T2 frame)

Method used

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  • Receiving device, receiving method

Examples

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Embodiment Construction

[0044]

[0045] figure 1 is a block diagram showing one configuration example of an embodiment of a transmission system to which the present technology is applied (the system represents a logical collective of a plurality of devices, and each included device may or may not be in the same housing).

[0046] exist figure 1 , the transmission system includes a sending device 1 and a receiving device 2.

[0047] For example, the transmission device 1 transmits (broadcasts) (transmits) a program of television broadcasting through, for example, a communication path 3 (eg, a satellite line, a ground wave, or a cable (wire line)).

[0048] That is, the transmission device 1 is a transmission device conforming to, for example, DVB-T2, and transmits image data, audio data, etc. as a program using a DVB-T2 signal as transmission target data to be transmitted. Here, when the transmission device 1 is a transmission device conforming to DVB-T2, the communication path 3 is a ground wave....

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Abstract

The present technology relates to a receiving device, a receiving method, and a program that can prevent erroneous detection of a predetermined signal (for example, a P1 signal) contained in, for example, a received signal (for example, DVB-T2). The correlation calculation unit determines a correlation value between received signals each including a predetermined signal in which an original signal and a replica signal obtained from a copy of at least a part of the original signal are disposed. An average power calculation unit determines the average power of the received signal. A normalization unit normalizes the correlation value using the average power of the received signal to determine a normalized correlation value. The present technology can be applied to, for example, a case of detecting a P1 signal as a preamble signal from a reception signal as DVB-T2.

Description

technical field [0001] The present technology relates to a receiving device, a receiving method, and a program, and more particularly, for example, to a receiving device, a receiving method, and a program capable of preventing erroneous detection of a predetermined signal contained in a received signal. Background technique [0002] As a digital terrestrial broadcasting standard, for example, there is Digital Video Broadcasting-Terrestrial 2 (DVB-T2). In DVB-T2, a modulation scheme called an Orthogonal Frequency Division Multiplexing (OFDM) scheme is used. [0003] In the OFDM scheme, digital modulation is performed by providing several orthogonal subcarriers in the transmission band and assigning data to the amplitude and phase of the corresponding subcarriers, such as phase shift keying (PSK) or quadrature amplitude modulation (QAM) . [0004] As types of frames of digital signals conforming to DVB-T2 (hereinafter also referred to as DVB-T2 signals), there are frames con...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04J11/00
CPCH04L1/00H04L1/20H04L27/2656H04L27/26136H04N21/434H04N21/435H04N21/6112
Inventor 小林健一镰田裕之冈本卓也
Owner SONY CORP
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