(19)
(11) EP 3 335 353 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
20.01.2021 Bulletin 2021/03

(45) Mention of the grant of the patent:
11.11.2020 Bulletin 2020/46

(21) Application number: 15841026.6

(22) Date of filing: 24.12.2015
(51) International Patent Classification (IPC): 
H04L 5/00(2006.01)
H04L 27/00(2006.01)
 H04W 74/08(2009.01)
(86) International application number:
PCT/US2015/000496
(87) International publication number:
WO 2017/026985 (16.02.2017 Gazette 2017/07)

(54)

DISCOVERY REFERENCE SIGNAL TRANSMISSION FOR LTE IN UNLICENSED BAND

ENTDECKUNGSREFERENZSIGNALÜBERTRAGUNG FÜR LTE IN EINEM UNLIZENZIERTEN BAND

TRANSMISSION DE SIGNAL DE RÉFÉRENCE DE DÉCOUVERTE POUR LTE DANS UNE BANDE SANS LICENCE

(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 13.08.2015 US 201562204941 P
24.09.2015 US 201562232380 P

(43) Date of publication of application:
20.06.2018 Bulletin 2018/25

(73) Proprietor: Apple Inc.
Cupertino, CA 95014 (US)

(72) Inventors:
  • BHORKAR, Abhijeet
    Fremont, CA 94555 (US)
  • KWON, Hwan-Joon
    Santa Clara, CA 95054 (US)
  • IBARS CASAS, Christian
    Santa Clara, CA 95054 (US)
  • HAN, Seunghee
    San Jose, CA 95120 (US)
  • YE, Qiaoyang
    Fremont, CA 94538 (US)

(74) Representative: Lang, Johannes et al
Bardehle Pagenberg Partnerschaft mbB Patentanwälte, Rechtsanwälte Prinzregentenplatz 7
81675 München
81675 München (DE)


(56) References cited: : 
   
  • "3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Study on Licensed-Assisted Access to Unlicensed Spectrum; (Release 13)", 3GPP DRAFT; 36889-101_CLEAN, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE , 8 June 2015 (2015-06-08), XP050983848, Retrieved from the Internet: URL:http://www.3gpp.org/ftp/tsg_ran/WG1_RL 1/TSGR1_81/Docs/ [retrieved on 2015-06-08]
  • NOKIA NETWORKS: "On DRS Design for LTE LAA", 3GPP DRAFT; R1-152814, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE , vol. RAN WG1, no. Fukuoka, Japan; 20150525 - 20150529 15 May 2015 (2015-05-15), XP050968430, Retrieved from the Internet: URL:http://www.3gpp.org/ftp/tsg_ran/WG1_RL 1/TSGR1_81/Docs/ [retrieved on 2015-05-15]
  • PANASONIC: "DRS design for LAA", 3GPP DRAFT; R1-152692, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE , vol. RAN WG1, no. Fukuoka, Japan; 20150525 - 20150529 15 May 2015 (2015-05-15), XP050972657, Retrieved from the Internet: URL:http://www.3gpp.org/ftp/tsg_ran/WG1_RL 1/TSGR1_81/Docs/ [retrieved on 2015-05-15]
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).