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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/US2020/027857 PR450WO103038
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
11 April 2020 12 April 2019
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)).
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)).
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
The figure of the drawings to be published with the abstract is Figure No.     4    
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.
none of the figures is to be published with the abstract.


     H04B 7/06 (2006.01)i
According to International Patent Classification (IPC) or to both national classification and IPC


Minimum documentation searched (classification system followed by classification symbols):
     H04B; H04W
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):


Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
WO 2018017840 A1 (CONVIDA WIRELESS LLC [US]) 25 January 2018 (2018-01-25)
paragraphs [0003], [0085], [0184], [0225], [0235], [0249], [0253], [0271], [0317], [0319]; figures 18,19,34,35,60
US 2019045494 A1 (HO CHUNG-LIEN [TW] ET AL) 07 February 2019 (2019-02-07)
paragraphs [0009], [0012], [0013], [0016], [0017], [0062], [0066], [0073], [0081], [0082], [0089]; figures 6D, 9A,11
WO 2018031875 A1 (CONVIDA WIRELESS LLC [US]) 15 February 2018 (2018-02-15)
paragraphs [0175], [0178], [0205], [0206], [0241]; figure 16A,
US 2017303264 A1 (ISLAM MUHAMMAD NAZMUL [US] ET AL) 19 October 2017 (2017-10-19)
paragraphs [0088], [0099], [0117], [0137], [0168], [0182], [0211], [0232], [0233], [0255], [0268]; figures 10A,10B,13
Special categories of cited documents:
document defining the general state of the art which is not considered to be of particular relevance
document cited by the applicant in the international application
earlier application or patent but published on or after the international filing date
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)
document referring to an oral disclosure, use, exhibition or other means
document published prior to the international filing date but later than the priority date claimed
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
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
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


Patent document cited in search report Publication date
Patent family member(s) Publication date
WO 2018017840 A1
25 January 2018
CN 110036677 A
EP 3488646 A1
JP 2019530266 A
KR 20190032470 A
US 2019319686 A1
WO 2018017840 A1
19 July 2019
29 May 2019
17 October 2019
27 March 2019
17 October 2019
25 January 2018
US 2019045494 A1
07 February 2019
CN 109391297 A
TW 201911770 A
US 2019045494 A1
26 February 2019
16 March 2019
07 February 2019
WO 2018031875 A1
15 February 2018
CN 109845129 A
EP 3497812 A1
JP 2019528620 A
KR 20190039223 A
US 2019229789 A1
WO 2018031875 A1
04 June 2019
19 June 2019
10 October 2019
10 April 2019
25 July 2019
15 February 2018
US 2017303264 A1
19 October 2017
AU 2017249058 A1
AU 2017249059 A1
AU 2017249060 A1
BR 112018070893 A2
BR 112018070947 A2
BR 112018071045 A2
CA 3016574 A1
CA 3016605 A1
CA 3016710 A1
CN 108886387 A
CN 109075834 A
CN 109075835 A
EP 3443683 A1
EP 3443684 A1
EP 3443685 A1
SG 11201807386U A
SG 11201807387Y A
SG 11201807389X A
TW 201739187 A
TW 201739188 A
TW 201803292 A
US 2017302355 A1
US 2017303264 A1
US 2017303265 A1
US 2018220416 A1
US 2018323852 A1
US 2020052765 A1
WO 2017180334 A1
WO 2017180335 A1
WO 2017180336 A1
20 September 2018
27 September 2018
27 September 2018
05 February 2019
29 January 2019
12 February 2019
19 October 2017
19 October 2017
19 October 2017
23 November 2018
21 December 2018
21 December 2018
20 February 2019
20 February 2019
20 February 2019
30 October 2018
30 October 2018
30 October 2018
01 November 2017
01 November 2017
16 January 2018
19 October 2017
19 October 2017
19 October 2017
02 August 2018
08 November 2018
13 February 2020
19 October 2017
19 October 2017
19 October 2017
Name and mailing address of the ISA/:
European Patent Office
P.B. 5818, Patentlaan 2, 2280 HV Rijswijk,
Telephone No. (+31-70)340-2040
Facsimile No. (+31-70)340-3016
Date of the actual completion of the international search:
25 June 2020
Date of mailing of the international search report:
06 July 2020
Authorized officer:
Muntean, T
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