METHOD AND SYSTEM FOR TRANSMITTING ENFORCEABLE INSTRUCTIONS IN POSITIVE TRAIN CONTROL SYSTEMS

(12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization 11111110111113111011111010111111111011110111011111111111111111110111111 International Bureau (10) International Publication Number = = :41) (43) International Publication Date WO 2014/047434 Al 27 March 2014 (27.03.2014) WIPO I P CT (51) International Patent Classification: (74) Agents: BYRNE, Richard, L. et al.; The Webb Law Firm, B61L 23/00 (2006.01) One Gateway Center, 420 Ft. Duquesne Blvd., Suite 1200, Pittsburgh, Pennsylvania 15222 (US). (21) International Application Number: PCT/US2013/060910 (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, (22) International Filing Date: AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, 20 September 2013 (20.09.2013) BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, (25) Filing Language: English DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KN, KP, KR, (26) Publication Language: English KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, (30) Priority Data: MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, 61/703,531 20 September 2012 (20.09.2012) US OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, (71) Applicant: WABTEC HOLDING CORP. [US/US]; 1001 TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, Air Brake Avenue, Wilmerding, Pennsylvania 15148 (US). ZW. (72) Inventors: RUHLAND, Kristopher, M.; 1626 Taft Drive (84) Designated States (unless otherwise indicated, fdr every SW, Cedar Rapids, Iowa 52405 (US). SHAW, Karen, A.; kind of regional protection available): ARIPO (BW, GH, 225 Wasatch Court NE, Cedar Rapids, Iowa 52402 (US). GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, FENSKE, James, L.; 1582 Charleston Drive, Marion, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, Iowa 52302 (US). TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, [Continued on next page] (54) Title: METHOD AND SYSTEM FOR TRANSMITTING ENFORCEABLE INSTRUCTIONS IN POSITIVE TRAIN CON- = TROL SYSTEMS (57) Abstract: A method and a system for transmitting enforceable instructions in a positive train control (PTC) system includes receiving, by a cyclic redundancy check (CRC) calculator, at least one enforceable instruction from railroad systems. The CRC calculator calculates at Railroad Systems N least one e