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International application No. Applicant's or agent's file reference
PCT/US2019/063577 9888-23502
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
27 November 2019 27 December 2018
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 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
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 12/10 (2009.01)i; H04L 9/06 (2006.01)i; H04L 12/801 (2013.01)i; H04L 29/06 (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):
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 models
Japanese 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: concatenate, PDCP, security key, sequence number, hash function, hash mark, embed, group, QoS, significant bit, separate, reserved bit, present, PDU type, integrity protection, FSN, RRC, EDT, multiplex, authentication code, fall back


Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
US 2015-0222397 A1 (INTERDIGITAL TECHNOLOGY CORPORATION) 6 August 2015 paragraphs [0010], [0021]-[0037]; and figure 3
MUHAMMAD NAVEED AMAN et al., ‘Low Power Data Integrity in IoT Systems’, ResearchGate [online], May 2018 [retrieved on 2020.03.09]. Retrieved from <URL: ity_in_IoT_Systems>. pages 4-5
US 2015-0296414 A1 (LG ELECTRONICS INC.) 15 October 2015 paragraphs [0035]-[0076]; claims 1, 6; and figures 6, 10-11
US 2018-0124865 A1 (QUALCOMM INCORPORATED) 3 May 2018 paragraph [0097]; and claim 5
HUAWEI et al., ‘Discussion on UP Integrity Protection for Small Data in Early Data Transfer’, S3-183409, 3GPP TSG SA WG3 (Security) Meeting #93, Spokane (US), 5 November 2018 sections 3.3, 3.4.2
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
US 2015-0222397 A1
06 August 2015
AR 058741 A1
AU 2006-332006 A1
AU 2011-239347 A1
AU 2014-277841 A1
AU 2011-239347 B2
AU 2014-277841 B2
BR PI0621127 A2
CA 2640885 A1
CA 2640885 C
CN 103199971 B
CN 103117843 B
CN 101366226 B
CN 103199971 A
CN 103117843 A
CN 101366226 A
EP 2787676 B1
EP 2787676 A3
EP 2787676 A2
EP 1966925 B1
EP 1966925 A1
HK 1125510 A1
IL 192376 D0
IL 192376 A
JP 4856719 B2
JP 2009-521844 A
KR 10-1334492 B1
KR 10-2012-0030603 A
KR 10-1334581 B1
KR 10-1289157 B1
KR 10-1234114 B1
KR 10-1000846 B1
KR 10-2012-0140266 A
KR 10-2008-0072765 A
KR 10-2008-0075925 A
KR 10-2012-0099768 A
MX 2008008212 A
MY 149758 A
RU 2008130047 A
RU 2406236 C2
TW 201438432 A
TW 201015909 A
TW 200729813 A
TW I516055 B
TW I458289 B
TW I434544 B
US 8155053 B2
US 2012-0185743 A1
US 2007-0171857 A1
US 9312992 B2
US 9042301 B2
WO 2007-075474 A1
20 February 2008
05 July 2007
17 November 2011
22 January 2015
25 September 2014
11 August 2016
29 November 2011
05 July 2007
04 December 2012
15 March 2017
13 April 2016
20 March 2013
10 July 2013
22 May 2013
11 February 2009
01 August 2018
26 November 2014
08 October 2014
22 October 2014
10 September 2008
06 December 2013
29 December 2008
29 December 2008
18 January 2012
04 June 2009
29 November 2013
28 March 2012
28 November 2013
23 July 2013
20 February 2013
14 December 2010
28 December 2012
06 August 2008
19 August 2008
11 September 2012
14 November 2008
14 October 2013
27 January 2010
10 December 2010
01 October 2014
16 April 2010
01 August 2007
01 January 2016
21 October 2014
11 April 2014
10 April 2012
19 July 2012
26 July 2007
12 April 2016
26 May 2015
05 July 2007
US 2015-0296414 A1
15 October 2015
CN 102714794 B
CN 102714794 A
EP 2532183 B1
EP 2532183 A2
KR 10-1831448 B1
KR 10-2011-0090812 A
US 2013-0235803 A1
US 2011-0188408 A1
US 9456381 B2
US 9094832 B2
US 8483090 B2
WO 2011-096743 A2
WO 2011-096743 A3
03 June 2015
03 October 2012
21 June 2017
12 December 2012
26 February 2018
10 August 2011
12 September 2013
04 August 2011
27 September 2016
28 July 2015
09 July 2013
11 August 2011
22 December 2011
US 2018-0124865 A1
03 May 2018
WO 2018-080621 A1
03 May 2018
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:
19 March 2020
Date of mailing of the international search report:
19 March 2020
Authorized officer:
YANG, Jeong Rok
Telephone No. +82-42-481-5709
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