RECEPTION DEVICE AND METHOD, TRANSMISSION DEVICE AND METHOD, AND COMMUNICATION SYSTEM

Title:

RECEPTION DEVICE AND METHOD, TRANSMISSION DEVICE AND METHOD, AND COMMUNICATION SYSTEM

Document Type and Number:

WIPO Patent Application WO/2017/057045

Kind Code:

A1

Abstract:

The present disclosure relates to a reception device and method, a transmission device and method, and a communication system, with which pulse-like noise can be reduced. A signal x(n) from one reception electrode is input to a variable gain amplifier and an amplitude control circuit. The variable gain amplifier amplifies the signal x(n) from the one reception electrode and outputs an amplified signal y(n) to a differential amplifier. Upon receiving an input of a signal d(n) from the other of the reception electrodes and the signal y(n) from the variable gain amplifier, the differential amplifier outputs a differential signal e(n). By using the signal x(n) from the one reception electrode and an amplitude of the output signal from the differential amplifier, the amplitude control circuit controls an input amplitude in accordance with an algorithm for setting a gain w(n) of the variable gain amplifier. The present disclosure can be applied, for example, to an electric-field communication in which communication is performed by means of changes in the ambient electric field when air or a human body is used as a transmission medium.

Inventors:

UNO MASAHIRO (JP)
TANAKA KATSUYUKI (JP)
KONDO FUMITAKA (JP)
TANAKA MASAYUKI (JP)

Application Number:

PCT/JP2016/077401

Publication Date:

April 06, 2017

Filing Date:

September 16, 2016

Export Citation:

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Assignee:

SONY CORP (JP)

International Classes:

H04B13/00; H04B1/10; H04B5/02; H04B15/00

Foreign References:

JP2006324775A	2006-11-30
JP2013135269A	2013-07-08

Other References: