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1. WO2020109892 - METHODS FOR SEPARATING REFERENCE SYMBOLS AND USER DATA IN A LOWER LAYER SPLIT


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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/IB2019/059503 9900-75982WO1
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
05 November 2019 30 November 2018
Applicant
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
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.     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.
b.
none of the figures is to be published with the abstract.

A. CLASSIFICATION OF SUBJECT MATTER

     H04L 5/00 (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):
     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):
EPO-Internal, WPI Data

C. DOCUMENTS CONSIDERED TO BE RELEVANT

Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
(1)
A
US 2018227028 A1 (LEE JUNG AH [US]) 09 August 2018 (2018-08-09)
1-32
paragraphs [0063] - [0070], [0073] - [0075], [0101] - [0104]
(2)
A
US 2018159611 A1 (MAJMUNDAR MILAP [US] ET AL) 07 June 2018 (2018-06-07)
1-32
paragraphs [0033], [0049], [0058], [0095] - [0097]
(3)
A
WO 2018030529 A1 (FUJITSU LTD [JP]) 15 February 2018 (2018-02-15)
1-32
abstract
A,P
& EP 3500061  A1  (FUJITSU LTD [JP]) 19 June 2019 (2019-06-19)
1-32
paragraphs [0081], [0083], [0095], [0293], [0294], [0314] - [0316]
(4)
A
HUAWEI ET AL, "Issues in standardization of lower layer splits 5, 6, 7", Vol. RAN WG3, No. Athens, Greece; 20170213 - 20170217, 12 February 2017 (2017-02-12), 3GPP DRAFT; R3-170736_ISSUES IN STANDARDIZATION OF LOWER LAYER SPLITS, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ;
Retrieved from the Internet:
URL:http://www.3gpp.org/ftp/Meetings_3GPP_SYNC/RAN3/Docs/
XP051213314
[retrieved on  2017-02-12]
1-32
pages 1,2,4
(5)
A
ERICSSON, "Analysis of the RAN1 Reply LS on LLS", Vol. RAN WG3, No. Reno, Nevada, USA; 20171127 - 20171201, 18 November 2017 (2017-11-18), 3GPP DRAFT; R3-174795_LLS_RAN1_LS, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE
Retrieved from the Internet:
URL:http://www.3gpp.org/ftp/tsg%5Fran/WG3%5FIu/TSGR3%5F98/Docs/
XP051373521
[retrieved on  2017-11-18]
1-32
page 1
*
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 2018227028 A1
09 August 2018
AU 2018215660 A1
CA 3052785 A1
CN 110537337 A
EP 3577790 A2
KR 20190129856 A
US 2018227028 A1
WO 2018145062 A2
12 September 2019
09 August 2018
03 December 2019
11 December 2019
20 November 2019
09 August 2018
09 August 2018
US 2018159611 A1
07 June 2018
US 2018159611 A1
US 2019190841 A1
07 June 2018
20 June 2019
WO 2018030529 A1
15 February 2018
CN 109479339 A
EP 3500061 A1
JP WO2018030529 A1
US 2019174391 A1
WO 2018029854 A1
WO 2018030529 A1
15 March 2019
19 June 2019
13 June 2019
06 June 2019
15 February 2018
15 February 2018
EP 3500061 A1
19 June 2019
CN 109479339 A
EP 3500061 A1
JP WO2018030529 A1
US 2019174391 A1
WO 2018029854 A1
WO 2018030529 A1
15 March 2019
19 June 2019
13 June 2019
06 June 2019
15 February 2018
15 February 2018
Name and mailing address of the ISA/:
European Patent Office
P.B. 5818, Patentlaan 2, 2280 HV Rijswijk,
Netherlands
Telephone No. (+31-70)340-2040
Facsimile No. (+31-70)340-3016
Date of the actual completion of the international search:
28 January 2020
Date of mailing of the international search report:
04 February 2020
Authorized officer:
Orozco Roura, Carles
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