USOO9578531B2
(12) United States Patent (10) Patent No.: US 9,578,531 B2 Suzuki et al. (45) Date of Patent: Feb. 21, 2017
(54) METHOD AND SYSTEM FOR INDICATING (56) References Cited FREQUENCY FOR REPORTING A GERAN CG U.S. PATENT DOCUMENTS 2005/0114089 A1* 5, 2005 Celestini ...... GOSB 23,0221 (71) Applicant: BLACKBERRY LIMITED, Waterloo TO2, 186 (CA) 2010, O297.955 A1* 11, 2010 Marinier ...... HO4W 36,0061 455/73 (72) Inventors: Takashi Suzuki, Ichikawa (JP); 2010.0323631 A1* 12/2010 Martin ...... HO4B 17 OO67 Andrew John Farnsworth, 455/67.11 Kidderminster (GB); Ayman Ahmed 2011/0070897 A1* 3/2011 Tang ...... HO4W 24f02 Mahmoud Abdel-Samad, Waterloo 455,456.1 (CA); Dinesh Kumar Arora, Kitchener 2012/0015681 A1* 1/2012 Dalsgaard ...... HO4W 48.08 (CA); Mohamed Galal El-Din 455,517 Ebrahim, Kitchener (CA) (Continued) (73) Assignee: BlackBerry Limited, Waterloo, CA FOREIGN PATENT DOCUMENTS (US) WO 2011096692 A2 8, 2011 (*) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 OTHER PUBLICATIONS U.S.C. 154(b) by 629 days. 3GPP TS36.300 “Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Net (21) Appl. No.: 13/827,440 work (E-UTRAN) Overall description Stage 2, v.11.3.0, Sep. 26, 2012. (22) Filed: Mar. 14, 2013 (Continued) (65) Prior Publication Data Primary Examiner — Qun Shen US 2014/OO87715 A1 Mar. 27, 2014 (74) Attorney, Agent, or Firm — Moffat & Co. (57) ABSTRACT Related U.S. Application Data The present disclosure provides for methods and systems for (60) Provisional application No. 61/706,731, filed on Sep. indicating a frequency for reporting a GERAN CGI. These 27, 2012. include the relaxation of the single measurement object per frequency principle; an indication of ARFCN for CGI read (51) Int. C. ing; measurement interruption avoidance; implicit indica H04W 24/10 (2009.01) tions of ARFCN for CGI reading; the use of a different (52) U.S. C. object than a measurement object to report the cell for which CPC ...... H04W 24/10 (2013.01) to report the CGI: the use of a measurement configuration (58) Field of Classification Search report to indicate the CGI cell or the selection of an ARFCN CPC ...... HO4W 24/10 using to find rules at the UE. USPC ...... 455/4221 See application file for complete search history. 20 Claims, 10 Drawing Sheets
610
612 Reconfigure Measurement Object?
614
For CGI Reporting
N 620 Remove measurement reporting entity and stop timers and reset information 622 End US 9,578,531 B2 Page 2
(56) References Cited 3GPP TSG-RAN WG2 #79, R2-123923 “On cellForWhichToReportCGI for GERAN cells'. Ericsson, U.S. PATENT DOCUMENTS ST-Ericsson, Aug. 2012. International Search Report on International Application No. PCT/ 2012/0033595 A1* 2/2012 Aoyama ...... HO4W 76,048 EP2013/069881, mailed Mar. 27, 2014. 370,311 Catt, 3GPP TSG RAN WG2 #63bis R2-085212, Prague, Czech Republic, Sep. 29- Oct. 3, 2008, "Action of 2012/008.8508 A1* 4/2012 Matsuo ...... HO4W 24f10 VarMeasurementReports after measurement configuration change.” 455,436 Research in Motion UK Ltd., 3GPP TSG-RAN WG2 Meeting 2012fO244905 A1 9, 2012 Zhao ...... HO4L 5,001 #79bis, R2-124458, Bratislava, Slovakia, Oct. 8-13, 2012, “Mea 455,517 Surements interruption upon report CGI configuration.” 2013,0005339 A1 1/2013 Iwamura ...... HO4W 48.20 Research in Motion UK Ltd., 3GPP TSG-RAN WG2 Meeting 455,436 #79bis, R2-124457, Bratislava, Slovakia, Oct. 8-13, 2012, “Report 2014/0220963 A1* 8/2014 Jung ...... HO4W 48.16 ing CGI of a GERAN cell.” 455,422.1 Research in Motion UK Ltd., 3GPP TSG-RAN WG2 Meeting #80, R2-125473, New Orleans, U.S.A., Nov. 12-16, 2012, “Issues with reporting CGI.” OTHER PUBLICATIONS Antti Toskala et al. :“LTE Radio Protocols in LTE for UMTS: 3GPP TS36.331 “Evolved Universal Terrestrial Radio Access Evolution to LTE-Advanced.” Mar. 4, 2011, John Wiley and Sons, Ltd, ISBN: 978-0-047-66000-3, p. 141-184. (E-UTRA) Radio Resource Control (RRC)” Protocol specification, v. 11.1.0, Sep. 26, 2012. * cited by examiner U.S. Patent Feb. 21, 2017 Sheet 1 of 10 US 9,578,531 B2
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U.S. Patent Feb. 21, 2017 Sheet 2 of 10 US 9,578,531 B2
NetWOrk Element UE 210 212
Configure measurement object 1 {gf1, gf2, gf3} 220
Report PCI on gf2
Configure measurement object2 {gf2} 230 Scan BCCH 232 Report CGI for meas. obj. 2
FIG. 2 U.S. Patent Feb. 21, 2017 Sheet 3 of 10 US 9,578,531 B2
NetWOrk Element UE 310 312
Configure measurement object {gf1, gf2, gf3} 320
Report PCI ongf2
Reconfigure measurement object 330 carrierFreqForWhich ToreportCGI set to gf2
FIG. 3 U.S. Patent Feb. 21, 2017 Sheet 4 of 10 US 9,578,531 B2
NetWOrk Element UE 410 412
Configure measurement object {gf1, gf2, gf3 420
Report PCI on gf3
Reconfigure measurement object 430 ExplicitlistOfARFCNs set to {gf3, gf2}
FIG. 4 U.S. Patent Feb. 21, 2017 Sheet S of 10 US 9,578,531 B2
089 NO-HHV.3SOOLIO |euôISuop?Seq
019
U.S. Patent Feb. 21, 2017 Sheet 6 of 10 US 9,578,531 B2
610
-iMeasurement is Object?
614
FOr CGI Reporting p
Remove measurement reporting entity and stop timers and reset information
FIG. 6 U.S. Patent Feb. 21, 2017 Sheet 7 of 10 US 9,578,531 B2
NetWOrk Element UE 710 712
Configure measurement object {gf1, gf2, gf3} 720
Report PCI on gf2
Send ReportConfig with gf2 information 730
FIG. 7 U.S. Patent Feb. 21, 2017 Sheet 8 of 10 US 9,578,531 B2
NetWOrk Element UE 810 812
Configure measurement object {gf1, gf2, gf3, 820
Report PCI on gf2
SendMeas. Config with gf2 information 830
FIG. 8 U.S. Patent US 9,578,531 B2
6 JOSS900) U.S. Patent Feb. 21, 2017 Sheet 10 of 10 US 9,578,531 B2
KeIds[C]|0201
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