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International application No. Applicant's or agent's file reference
PCT/US2018/025568 AA2790-PCT
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
30 March 2018 08 August 2017
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.     3    
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.


     H04W 72/12 (2009.01)i; H04W 72/04 (2009.01)i
According to International Patent Classification (IPC) or to both national classification and IPC


Minimum documentation searched (classification system followed by classification symbols):
Documentation searched other than minimum documentation to the extent that such documents are included in the fields searched:
Korean utility models and applications for utility modelsJapanese utility models and applications for utility models
Electronic data base consulted during the international search (name of data base and, where practicable, search terms used):
eKOMPASS(KIPO internal) & Keywords: data transmission interval (DTI), beacon interval, service periods, TDD indication, extended schedule element, enhanced directional multi-gigabit (EDMG), TDD slot


Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
US 2016-0191409 A1 (HUAWEI TECHNOLOGIES CO., LTD.) 30 June 2016 See paragraphs [0004], [0046]-[0047], [0113]; and claim 1.
LG ELECTRONICS et al., `2.3.4 EDMG Extended Schedule element', IEEE 802.11-16/1608r0, 21 December 2016 See section 2.3.4.
US 2015-0373589 A1 (ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE) 24 December 2015 See paragraphs [0043]-[0059]; claim 1; and figures 1-2.
US 2015-0282203 A1 (PANASONIC CORPORATION) 01 October 2015 See paragraphs [0046]-[0047]; and figures 6-7.
US 2017-0195035 A1 (FUTUREWEI TECHNOLOGIES, INC.) 06 July 2017 See paragraphs [0075]-[0077], [0084]-[0086]; and claims 1-2.
Special categories of cited documents:
document defining the general state of the art which is not considered to be of particular relevance
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
US 2016-0191409 A1
30 June 2016
CN 104427555 B
CN 104427555 A
EP 3035753 A1
EP 3035753 B1
JP 2016-533126 A
JP 06217035 B2
KR 10-1809148 B1
KR 10-2016-0051852 A
WO 2015-032273 A1
09 March 2018
18 March 2015
22 June 2016
11 October 2017
20 October 2016
25 October 2017
14 December 2017
11 May 2016
12 March 2015
US 2015-0373589 A1
24 December 2015
CN 102812648 A
CN 102812648 B
EP 2547008 A2
JP 2013-522951 A
JP 06087387 B2
JP 05815571 B2
JP 2015-159614 A
KR 10-1755013 B1
KR 10-2017-0081156 A
KR 10-2011-0102847 A
US 2013-0003689 A1
US 9906987 B2
US 9125105 B2
WO 2011-112056 A2
WO 2011-112056 A3
05 December 2012
25 November 2015
16 January 2013
13 June 2013
01 March 2017
17 November 2015
03 September 2015
07 July 2017
11 July 2017
19 September 2011
03 January 2013
27 February 2018
01 September 2015
15 September 2011
19 January 2012
US 2015-0282203 A1
01 October 2015
JP 06132706 B2
JP 2015-041898 A
US 9609661 B2
WO 2015-025453 A1
24 May 2017
02 March 2015
28 March 2017
26 February 2015
US 2017-0195035 A1
06 July 2017
WO 2017-114494 A1
06 July 2017
Name and mailing address of the ISA/:
Korean Intellectual Property Office
189 Cheongsa-ro, Seo-gu, Daejeon Metropolitan City, 302-701
Republic of Korea
Facsimile No. +82-42-481-8578
Date of the actual completion of the international search:
27 July 2018
Date of mailing of the international search report:
27 July 2018
Authorized officer:
KANG, Hee Gok
Telephone No. +82-42-481-8264
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