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1. WO2020114476 - BASIS SUBSET FEEDBACK FOR CHANNEL STATE INFORMATION ENHANCEMENT


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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/CN2019/123505 P20193536
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
06 December 2019 07 December 2018
Applicant
QUALCOMM INCORPORATED et al
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:
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.     2    
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

     H04W; 4/00(2018.01)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):
     H04W; H04Q
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):
CNKI, CNPAT, WPI, EPODOC, 3GPP: basis vector, beam, frequency, precoding, coefficient, first, second, payload, report, cost, overhead, reduct

C. DOCUMENTS CONSIDERED TO BE RELEVANT

Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
(1)
Y
MEDIATEK INC., "CSI reporting details, R1-1716215", 3GPP TSG RAN WG1 Meeting NR#3,,21 September 2017 (2017-09-21),
1-30
section 3
(2)
Y
WO 2014131031 A1 (TEXAS INSTRUMENTS INCORPORATED) 28 August 2014 (2014-08-28)
1-30
description, paragraphs [0005]-[0006], [0011]-[0024]
(3)
A
US 2018076871 A1 (SAMSUNG ELECTRONICS CO., LTD.) 15 March 2018 (2018-03-15)
1-30
the whole document
(4)
A
EP 2824847 A1 (HUAWEI TECHNOLOGIES CO., LTD.) 14 January 2015 (2015-01-14)
1-30
the whole document
(5)
A
CN 108390704 A (SHANGHAI NOKIA BELL CO., LTD. ET AL.) 10 August 2018 (2018-08-10)
1-30
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)
WO 2014131031 A1
28 August 2014
US 2019074875 A1
JP 2016517192 A
CN 104995929 A
JP 2019050586 A
CN 110266356 A
US 2017019158 A1
US 2014328422 A1
US 2016352399 A1
EP 3033892 A1
US 2016028460 A1
07 March 2019
09 June 2016
21 October 2015
28 March 2019
20 September 2019
19 January 2017
06 November 2014
01 December 2016
22 June 2016
28 January 2016
US 2018076871 A1
15 March 2018
US 2019052335 A1
WO 2018052255 A1
EP 3510707 A1
14 February 2019
22 March 2018
17 July 2019
EP 2824847 A1
14 January 2015
CN 103178888 A
JP 2015503305 A
US 2014313976 A1
WO 2013091526 A1
26 June 2013
29 January 2015
23 October 2014
27 June 2013
CN 108390704 A
10 August 2018
None
Name and mailing address of the ISA/:
National Intellectual Property Administration, PRC
6, Xitucheng Rd., Jimen Bridge, Haidian District, Beijing 100088
China
Facsimile No. (86-10)62019451
Date of the actual completion of the international search:
24 February 2020
Date of mailing of the international search report:
12 March 2020
Authorized officer:
LI,Xiaoli
Telephone No. 86-(10)-53961772
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