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1. (WO2017069855) ALTERNATING PSEUDO-RANDOM BINARY SEQUENCE SEEDS FOR MIPI CSI-2 C-PHY
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Pub. No.: WO/2017/069855 International Application No.: PCT/US2016/050001
Publication Date: 27.04.2017 International Filing Date: 01.09.2016
IPC:
G06F 13/42 (2006.01) ,G06F 21/85 (2013.01)
G PHYSICS
06
COMPUTING; CALCULATING; COUNTING
F
ELECTRIC DIGITAL DATA PROCESSING
13
Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
38
Information transfer, e.g. on bus
42
Bus transfer protocol, e.g. handshake; Synchronisation
G PHYSICS
06
COMPUTING; CALCULATING; COUNTING
F
ELECTRIC DIGITAL DATA PROCESSING
21
Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
70
Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
82
Protecting input, output or interconnection devices
85
interconnection devices, e.g. bus-connected or in-line devices
Applicants:
QUALCOMM INCORPORATED [US/US]; ATTN: International IP Administration 5775 Morehouse Drive San Diego, California 92121-1714, US
Inventors:
SENGOKU, Shoichiro; US
WILEY, George Alan; US
Agent:
SMYTH, Anthony; US
Priority Data:
15/253,02031.08.2016US
62/245,14822.10.2015US
62/377,87622.08.2016US
62/380,84129.08.2016US
Title (EN) ALTERNATING PSEUDO-RANDOM BINARY SEQUENCE SEEDS FOR MIPI CSI-2 C-PHY
(FR) AMORÇAGES DE SÉQUENCE BINAIRE PSEUDO-ALÉATOIRE EN ALTERNANCE POUR MIPI CSI-2 C-PHY
Abstract:
(EN) System, methods and apparatus are described that support multimode operation of a data communication interface. A method includes initializing a scrambler with a first pseudo-random binary sequence (PRBS) seed word after receiving a first sync word, the first sync word preceding a first packet, using the scrambler and the first PRBS seed word to scramble a first copy of a packet header that succeeds the first sync word in the first packet, initializing the scrambler with a second PRBS seed word after scrambling the first copy of the packet header, the second sync word succeeding the first copy of the packet header in the first packet, using the scrambler and the second PRBS seed word to scramble a second copy of the packet header that succeeds the second sync word in the first packet.
(FR) L'invention concerne un système, des procédés et un appareil qui prennent en charge un fonctionnement multimode d'une interface de communication de données. Un procédé consiste à : initialiser un brouilleur avec un premier mot d'amorçage de séquence binaire pseudo-aléatoire (PRBS) après réception d'un premier mot de synchronisation, le premier mot de synchronisation précédant un premier paquet ; utiliser le premier brouilleur et le premier mot d’amorçage PRBS pour brouiller une première copie d'un en-tête de paquet qui suit le premier mot de synchronisation dans le premier paquet ; initialiser le brouilleur avec un second mot d’amorçage PRBS après avoir brouillé la première copie de l'en-tête du paquet, le second mot de synchronisation suivant la première copie de l'en-tête du paquet dans le premier paquet ; utiliser le brouilleur et le second mot d’amorçage PRBS pour brouiller une seconde copie de l'en-tête du paquet qui suit le second mot de synchronisation dans le premier paquet.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, 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, IR, IS, JP, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, 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, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (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, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)