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1. WO2017097161 - TIME DOMAIN INGRESS NOISE DETECTION AND CANCELLATION


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INTERNATIONAL SEARCH REPORT (ISR)
Part 1:  1  2  3  4  5  6          Part 2:  A  B  C  D  E 
International application No. Applicant's or agent's file reference
PCT/CN2016/108247 84641648PCT2
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
01 December 2016 11 December 2015
Applicant
HUAWEI TECHNOLOGIES CO., LTD.
FOR FURTHER ACTION: See Form PCT/ISA/220 as well as, where applicable, item 5 below.
This international search report has been prepared by this International Searching Authority and is transmitted to the applicant according to Article 18. A copy is being transmitted to the International Bureau.
It is also accompanied by a copy of each prior art document cited in this report.
1. Basis of the report
a. With regard to the language, the international search was carried out on the basis of:
the international application in the language in which it was filed.
a translation of the international application into                                          which is the language of a translation furnished for the purposes of international search (Rules 12.3(a) and 23.1(b)).
b.
This international search report has been established taking into account the rectification of an obvious mistake authorized by or notified to this Authority under Rule 91 (Rule 43.6bis(a)).
c.
With regard to any nucleotide and/or amino acid sequence disclosed in the international application, the international search was carried out on the basis of a sequence listing filed or furnished:
2. Certain claims were found unsearchable
3. Unity of invention is lacking
4. Title of the invention
The text is approved as submitted by the applicant.
The text has been established by this Authority to read as follows:
5. Abstract
The text is approved as submitted by the applicant.
The text has been established, according to Rule 38.2, by this Authority as it appears in Box No. IV. The applicant may, within one month from the date of mailing of this international search report, submit comments to this Authority.
6. Drawings
a.
The figure of the drawings to be published with the abstract is Figure No.     1    
as suggested by the applicant.
as selected by this Authority, because the applicant failed to suggest a figure.
as selected by this Authority, because this figure better characterizes the invention.
b.
none of the figures is to be published with the abstract.

A. CLASSIFICATION OF SUBJECT MATTER

     H04B 1/10 (2006.01)i; H03H 21/00 (2006.01)i
According to International Patent Classification (IPC) or to both national classification and IPC

B. FIELDS SEARCHED

Minimum documentation searched (classification system followed by classification symbols):
     H04B; H03H; H04L
Documentation searched other than minimum documentation to the extent that such documents are included in the fields searched:
Electronic data base consulted during the international search (name of data base and, where practicable, search terms used):
CNPAT,CNKI,WPI,EPODOC:narrow w band, narrow bandwidth, noise, ingress, estimate, power, real w time, time domain, cancel+, remov+,decorrelat+, delay, reference signal, error signal, received signal,adaptive filter

C. DOCUMENTS CONSIDERED TO BE RELEVANT

Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
(1)
X
US 4947361 A (UNISYS CORPORATION) 07 August 1990 (1990-08-07)
1-20
abstract, claims 1-10,description column 1 line 46 to line 54, figures 1-5
(2)
X
CN 103248337 A (THE 22ND RESEARCH INSTITUTE OF CHINA ELECTRONICS TECHNOLOGY GROUP CORPORATION) 14 August 2013 (2013-08-14)
1-20
description paragraphs [0028]-[0037]
(3)
X
US 2008107217 A1 (QUALCOMM INCORPORATED) 08 May 2008 (2008-05-08)
1-20
description paragraphs [0021]-[0043]
(4)
A
CN 102281044 A (MONTAGE TECHNOLOGY SHANGHAI CO.,LTD.) 14 December 2011 (2011-12-14)
1-20
the whole document
(5)
A
CN 102098258 A (ZTE CORPORATION) 15 June 2011 (2011-06-15)
1-20
the whole document
*
Special categories of cited documents:
"A"
document defining the general state of the art which is not considered to be of particular relevance
"D"
document cited by the applicant in the international application
"E"
earlier application or patent but published on or after the international filing date
"L"
document which may throw doubts on priority claim(s) or which is cited to establish the publication date of another citation or other special reason (as specified)
"O"
document referring to an oral disclosure, use, exhibition or other means
"P"
document published prior to the international filing date but later than the priority date claimed
"T"
later document published after the international filing date or priority date and not in conflict with the application but cited to understand the principle or theory underlying the invention
"X"
document of particular relevance; the claimed invention cannot be considered novel or cannot be considered to involve an inventive step when the document is taken alone
"Y"
document of particular relevance; the claimed invention cannot be considered to involve an inventive step when the document is combined with one or more other such documents, such combination being obvious to a person skilled in the art
"&"
document member of the same patent family

D. INFORMATION ON PATENT FAMILY MEMBERS

Patent document cited in search report Publication date
(day/month/year)
Patent family member(s) Publication date
(day/month/year)
US 4947361 A
07 August 1990
None
CN 103248337 A
14 August 2013
None
US 2008107217 A1
08 May 2008
CN 101536324 A
US 2010220821 A1
KR 20090080548 A
TW 200835248 A
WO 2008058059 A2
KR 20110031507 A
EP 2095515 A2
JP 2010509856 A
16 September 2009
02 September 2010
24 July 2009
16 August 2008
15 May 2008
28 March 2011
02 September 2009
25 March 2010
CN 102281044 A
14 December 2011
WO 2011153727 A1
US 2011305306 A1
15 December 2011
15 December 2011
CN 102098258 A
15 June 2011
WO 2010148785 A1
29 December 2010
Name and mailing address of the ISA/:
STATE INTELLECTUAL PROPERTY OFFICE OF THE P.R.CHINA
6, Xitucheng Rd., Jimen Bridge, Haidian District, Beijing 100088
China
Facsimile No. (86-10)62019451
Date of the actual completion of the international search:
21 January 2017
Date of mailing of the international search report:
16 February 2017
Authorized officer:
ZHANG,Nan
Telephone No. (86-10)010-62413413
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