(19)
(11) EP 2 957 061 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:
05.12.2018 Bulletin 2018/49

(45) Mention of the grant of the patent:
24.10.2018 Bulletin 2018/43

(21) Application number: 14707206.0

(22) Date of filing: 12.02.2014
(51) International Patent Classification (IPC): 
H04L 5/00(2006.01)
H04W 84/08(2009.01)
H04L 27/26(2006.01)
(86) International application number:
PCT/GB2014/050399
(87) International publication number:
WO 2014/125265 (21.08.2014 Gazette 2014/34)

(54)

TETRA-BASED DIGITAL MOBILE RADIO COMMUNICATION SYSTEM WITH MULTI-CARRIER MODULATION

AUF TETRA BASIERTES MOBILES DIGITALES FUNKÜBERTRAGUNGSSYSTEM MIT MEHRTRÄGERMODULATION

SYSTÈME DE RADIOCOMMUNICATION MOBILE NUMÉRIQUE DE TYPE TETRA À MODULATION MULTIPORTEUSE


(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR 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: 12.02.2013 GB 201302414

(43) Date of publication of application:
23.12.2015 Bulletin 2015/52

(73) Proprietor: Sepura PLC
Cambridge CB4 1GR (GB)

(72) Inventors:
  • STEPHENS, Peter
    Cambridge Cambridgeshire CB4 1GR (GB)
  • NODAR, Paul
    Cambridge Cambridgeshire CB4 1GR (GB)

(74) Representative: Dehns 
St. Brides House 10 Salisbury Square
London EC4Y 8JD
London EC4Y 8JD (GB)


(56) References cited: : 
US-A- 6 014 375
   
  • MEHDI NOURI ET AL: "TEDS: A high speed digital mobile communication air interface for professional users", IEEE VEHICULAR TECHNOLOGY MAGAZINE, IEEE, US, vol. 1, no. 4, 1 December 2006 (2006-12-01), pages 32-42, XP011176540, ISSN: 1556-6072
  • "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 2: Air Interface (AI);03206v343", ETSI DRAFT; 03206V343, EUROPEAN TELECOMMUNICATIONS STANDARDS INSTITUTE (ETSI), 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS ; FRANCE, vol. TCCE, no. V3.4.3, 10 August 2011 (2011-08-10), pages 1-1399, XP014167936, [retrieved on 2011-08-10]
  • Alvaro Palomo Navarro ET AL: "Practical Non-Uniform Channelization for Multistandard Base Stations", ZTE Communications, vol. 9, no. 4, 1 December 2011 (2011-12-01), pages 15-24, XP055164427, CN ISSN: 1673-5188
  • Abhijit C Navalekar: "DISTRIBUTED DIGITAL RADIOS FOR LAND MOBILE RADIO APPLICATIONS", PhD dissertation - Worcester Polytechnic Institute, 22 December 2009 (2009-12-22), pages 1-116, XP055183648, Retrieved from the Internet: URL:https://www.wpi.edu/Pubs/ETD/Available /etd-010410-135413/unrestricted/navalekar. pdf [retrieved on 2015-04-16]
  • Etsi: "Terrestrial Trunked Radio (TETRA); User Requirement Specification TETRA Release 2.1; Part 12: Direct Mode Operation (DMO)", , 31 August 2012 (2012-08-31), pages 1-13, XP055324331, Retrieved from the Internet: URL:http://www.etsi.org/deliver/etsi_tr/10 2000_102099/10202112/01.01.01_60/tr_102021 12v010101p.pdf [retrieved on 2016-11-29]
   
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).