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1. (WO2017095869) DIGITAL COMPENSATOR
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2017/095869 International Application No.: PCT/US2016/064127
Publication Date: 08.06.2017 International Filing Date: 30.11.2016
IPC:
H03F 1/32 (2006.01)
H ELECTRICITY
03
BASIC ELECTRONIC CIRCUITRY
F
AMPLIFIERS
1
Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
32
Modifications of amplifiers to reduce non-linear distortion
Applicants:
NANOSEMI, INC. [US/US]; 135 Beaver Street Suite 203 Waltham, MA 02452, US
Inventors:
KIM, Helen, H.; US
MEGRETSKI, Alexandre; US
YAN, Li; US
KEVIN, Chuang; US
MAHMOOD, Zohaib; US
Agent:
ROHLICEK, J., Robin; US
Priority Data:
14/953,76230.11.2015US
Title (EN) DIGITAL COMPENSATOR
(FR) COMPENSATEUR NUMÉRIQUE
Abstract:
(EN) An approach to digital compensation uses a particular structure for a digital pre-distorter (DPD) which acts as a relatively accurate pre-inverse of a non-linear circuit (e.g., a non linear transmit chain involving digital-to-analog converter (DAC), lowpass filter, modulator, bandpass filter, and power amplifier) while making use of a relatively small number of parameters that characterize the non-linearity and/or parameters that provide accurate linearization without requiring continual updating.
(FR) L'invention concerne une approche de compensation numérique qui utilise une structure particulière destinée à un dispositif de prédistorsion numérique (DPD) qui fait office de pré-inverse relativement précis d'un circuit non linéaire (par exemple, une chaîne de transmission non linéaire consistant en un convertisseur numérique/analogique (CNA), un filtre passe-bas, un modulateur, un filtre passe-bande et un amplificateur de puissance) tout en utilisant un nombre relativement restreint de paramètres qui caractérisent la non-linéarité et/ou des paramètres qui assurent une linéarisation précise sans nécessiter une mise à jour continuelle.
front page image
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, JP, KE, KG, 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 Organization (AM, AZ, BY, KG, KZ, 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, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
KR1020180088882EP3384597CN108702136