SIGNAL SEPARATION APPARATUS AND SIGNAL SEPARATION METHOD

Title:

SIGNAL SEPARATION APPARATUS AND SIGNAL SEPARATION METHOD

Document Type and Number:

WIPO Patent Application WO/2015/145920

Kind Code:

A1

Abstract:

The objective of the invention is to implement separation of interference signals independently of the powers and incoming directions of the interference signals. A delay adjustment unit (11) acquires a plurality of interference signals constituted by the same signal components, and establishes a synchronization for a given single signal component of each interference signal. A waveform shaping unit (21) adjusts the phase of the given single signal component included in each of the interference signals the delays of which have been adjusted by the delay adjustment unit (11). An addition unit (31) adds together the signals for which the phases of the respective given single signal components have been adjusted by the waveform shaping unit (21).

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Inventors:

ISHII HIROYUKI (JP)
NEGISHI SATORU (JP)

Application Number:

PCT/JP2015/000099

Publication Date:

October 01, 2015

Filing Date:

January 13, 2015

Export Citation:

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Assignee:

NEC CORP (JP)
NEC ENGINEERING LTD (JP)

International Classes:

H04J99/00; H04B1/10; H04B3/04; H04B7/005

Domestic Patent References:

WO2012049986A1

2012-04-19

Foreign References:

JPH11231900A	1999-08-27
JP2011022604A	2011-02-03
JP2013197775A	2013-09-30

Attorney, Agent or Firm:

IEIRI, Takeshi (JP)
House ON 健 (JP)

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