(19)
(11) EP 2 420 091 A1

(12)

(43) Date of publication:
22.02.2012 Bulletin 2012/08

(21) Application number: 09789604.7

(22) Date of filing: 17.04.2009
(51) International Patent Classification (IPC): 
H04W 48/16(2009.01)
H04W 88/06(2009.01)
H04W 48/18(2009.01)
H04W 48/08(2009.01)
(86) International application number:
PCT/US2009/041026
(87) International publication number:
WO 2010/120314 (21.10.2010 Gazette 2010/42)
(84) Designated Contracting States:
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 SE SI SK TR

(71) Applicant: Research In Motion Limited
Waterloo, ON N2L 3W8 (CA)

(72) Inventors:
  • DWYER, Johanna
    Kanata Ontario K2K 3E7 (CA)
  • CARPENTER, Paul
    Slough, Bershire SL1 3XE (GB)
  • BUCKLEY, Adrian
    Tracy CA 94376 (US)

(74) Representative: Moore, Barry et al
Hanna Moore & Curley 13 Lower Lad Lane
Dublin 2
Dublin 2 (IE)

   


(54) SYSTEMS AND METHODS FOR PRIORITIZING NETWORK SELECTION TO ACHIEVE PLMN CONTINUITY WHEN MOVING BETWEEN NETWORKS OF DIFFERENT TYPES