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1. (WO2018087264) DUO-BINARY ENCODING SYSTEM AND METHOD
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Pub. No.: WO/2018/087264 International Application No.: PCT/EP2017/078825
Publication Date: 17.05.2018 International Filing Date: 09.11.2017
IPC:
H04L 25/49 (2006.01) ,H04L 25/02 (2006.01) ,H04B 10/516 (2013.01)
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
25
Baseband systems
38
Synchronous or start-stop systems, e.g. for Baudot code
40
Transmitting circuits; Receiving circuits
49
using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
25
Baseband systems
02
Details
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
B
TRANSMISSION
10
Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
50
Transmitters
516
Details of coding or modulation
Applicants: UNIVERSITEIT GENT[BE/BE]; Sint-Pietersnieuwstraat 25 9000 Gent, BE
Inventors: PIERCO, Ramses; BE
VAERNEWYCK, Renato; BE
DE KEULENAER, Timothy; BE
VYNCKE, Arno; BE
Agent: VAES, Peter; BE
WAUTERS, Davy; BE
CLERINX, Peter; BE
EGO, Christophe; BE
HERTOGHE, Kris; BE
VAN BLADEL, Marc; BE
Priority Data:
16198754.014.11.2016EP
Title (EN) DUO-BINARY ENCODING SYSTEM AND METHOD
(FR) SYSTÈME ET PROCÉDÉ DE CODAGE DUOBINAIRE
Abstract:
(EN) A method (300) for obtaining a duo-binary signal. The method (300) comprises a first step (310) wherein a first NRZ signal and a second NRZ signal are sampled. The first NRZ signal should be synchronised with the second NRZ signal. The method (300) comprises a second step (320) for deriving a first output signal from the first NRZ signal and a second output signal from the second NRZ signal. For deriving the second output signal, the second NRZ signal is delayed over part of a bit period with regard to the first NRZ signal. The method comprises a third step (330) for differentially combining the first output signal with the second output signal such that the duo-binary signal is obtained.
(FR) L'invention concerne un procédé (300) servant à obtenir un signal duobinaire. Le procédé (300) comprend une première étape (310) dans laquelle un premier signal NRZ et un second signal NRZ sont échantillonnés. Le premier signal NRZ doit être synchronisé avec le second signal NRZ. Le procédé (300) comprend une seconde étape (320) consistant à dériver un premier signal de sortie à partir du premier signal NRZ et un second signal de sortie à partir du second signal NRZ. Pour dériver le second signal de sortie, le second signal NRZ est retardé sur une partie d'une période de bit par rapport au premier signal NRZ. Le procédé comprend une troisième étape (330) consistant à combiner de manière différentielle le premier signal de sortie avec le second signal de sortie, de façon à obtenir le signal duobinaire.
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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, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, 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)