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1. (WO2012093154) CONVERGENCE ZONE
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2012/093154    International Application No.:    PCT/EP2012/050137
Publication Date: 12.07.2012 International Filing Date: 05.01.2012
G01S 19/42 (2010.01), G01S 19/28 (2010.01)
Applicants: CAMBRIDGE SILICON RADIO LIMITED [GB/GB]; Churchill House Cambridge Business Park Cowley Road Cambridge CB4 0WZ (GB) (For All Designated States Except US).
PRATT, Anthony Richard [GB/GB]; (GB) (For US Only).
JARVIS, Murray Robert [GB/GB]; (GB) (For US Only)
Inventors: PRATT, Anthony Richard; (GB).
JARVIS, Murray Robert; (GB)
Agent: SLINGSBY, Philip, Roy; Page White & Farrer Bedford House John Street London Greater London WC1N 2BF (GB)
Priority Data:
1100117.9 05.01.2011 GB
Abstract: front page image
(EN)An apparatus for calculating the location of a receiver in a satellite navigation system, the apparatus being arranged to calculate a location of the receiver by means of an algorithm that utilises an estimate of receiver location and/or an estimate of absolute time, the apparatus being arranged to perform the calculation in such a way as to extend a convergence zone within which the algorithm is capable of generating the correct location for the receiver despite an error in the estimate(s).
(FR)L'invention concerne un appareil qui permet de calculer l'emplacement d'un récepteur dans un système de navigation par satellite. L'appareil est conçu pour calculer une position du récepteur au moyen d'un algorithme qui utilise une estimation d'emplacement du récepteur et/ou une estimation de temps absolu. L'appareil est conçu pour effectuer le calcul de manière à agrandir une zone de convergence à l'intérieur de laquelle l'algorithme peut générer l'emplacement correct pour le récepteur malgré une erreur dans l'estimation ou les estimations.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)