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Communication device and receiving method thereof

A communication device and a technology for receiving signals, which are applied in the field of communication devices, can solve the problems of increased design complexity and increased production costs of communication devices, and achieve the effects of improving efficiency and stability, increasing signal-to-noise ratio, and reducing quantization noise

Active Publication Date: 2012-03-21
REALTEK SEMICON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, the design complexity of the communication device will be increased, leading to the problem of increased production cost; however, in order to reduce the cost of the analog / digital converter, it will limit the proper function of the anti-partial response filter circuit

Method used

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  • Communication device and receiving method thereof
  • Communication device and receiving method thereof
  • Communication device and receiving method thereof

Examples

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Embodiment Construction

[0028] Various embodiments of the communication device of the present invention will be described in detail below with reference to the accompanying drawings.

[0029] Figure 2A A schematic diagram of a communication device according to an embodiment of the present invention is shown. The communication device 100 is applicable to figure 1 The receiving circuit Rx. The communication device 100 includes a calculator 110, a digital / analog converter 120, a level determination module 130, an analog front-end device (Analog Front-End) 140, an analog / digital converter (Analog to Digital Convertor, ADC) 150, and a backend elimination module 160.

[0030] The communication device 100 receives a receive signal SRX. In one embodiment, the received signal SRX may include the signal transmitted by the remote communication device and noise components of echo (Echo) and crosstalk (Near-End Cross Talk, NEXT) carried by the signal.

[0031] The calculator 110 is used for subtracting a pu...

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Abstract

The invention discloses a communication device and a receiving method thereof. The communication device comprises a digital / analog converter, a reverse part response filter circuit and an analog / digital converter, wherein the digital / analog converter is used for receiving a first digital signal to generate an analog signal in a pulse form; the reverse part response filter circuit is used for receiving a difference signal generated by subtracting a receiving signal by the analog signal in a pulse form and adjusting the response of the reverse part response filter circuit so as to generate an adjusted signal; and the analog / digital converter is used for carrying out digital / analog conversion on the adjusted signal so as to generate a second digital signal.

Description

technical field [0001] The invention relates to a communication device, in particular to a communication device capable of eliminating near-end interference and dynamically adjusting high-frequency response. Background technique [0002] figure 1 A schematic diagram showing a general communication device. The communication device 10 includes a transmission medium 11 , a hybrid circuit (Hybrid Circuit) 12 , a local transmitting circuit Tx, and a local receiving circuit Rx. Through the transmission medium 11, the communication device 10 and the remote communication device can perform signal transmission and reception. Generally, the local transmission circuit Tx includes a digital / analog converter (not shown), which converts the signal from digital to analog to generate a transmission signal STX, and outputs it through the hybrid circuit 12 and the transmission medium 11 . The local receiving circuit Rx includes an analog / digital converter (not shown), which converts the re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04M9/08
Inventor 黄亮维俞丁发曾达钦枋立玮
Owner REALTEK SEMICON CORP
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