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1. WO2020139435 - POLAR MODULATION SYSTEMS AND METHODS

Publication Number WO/2020/139435
Publication Date 02.07.2020
International Application No. PCT/US2019/054068
International Filing Date 01.10.2019
IPC
H03C 5/00 2006.01
HELECTRICITY
03BASIC ELECTRONIC CIRCUITRY
CMODULATION
5Amplitude modulation and angle modulation produced simultaneously or at will by the same modulating signal
H04B 1/00 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
1Details of transmission systems, not covered by a single one of groups H04B3/-H04B13/123; Details of transmission systems not characterised by the medium used for transmission
H04B 1/02 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
1Details of transmission systems, not covered by a single one of groups H04B3/-H04B13/123; Details of transmission systems not characterised by the medium used for transmission
02Transmitters
H04L 27/34 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
27Modulated-carrier systems
32Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18, or H04L27/26213
34Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
H04L 27/36 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
27Modulated-carrier systems
32Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18, or H04L27/26213
34Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
36Modulator circuits; Transmitter circuits
CPC
H04B 1/0475
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
1Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
02Transmitters
04Circuits
0475with means for limiting noise, interference or distortion
H04B 17/11
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
17Monitoring; Testing
10of transmitters
11for calibration
H04B 2001/0491
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
1Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
02Transmitters
04Circuits
0491with frequency synthesizers, frequency converters or modulators
H04L 27/361
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
27Modulated-carrier systems
32Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
34Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
36Modulator circuits; Transmitter circuits
361Modulation using a single or unspecified number of carriers, e.g. with separate stages of phase and amplitude modulation
H04L 27/366
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
27Modulated-carrier systems
32Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
34Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
36Modulator circuits; Transmitter circuits
366Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
Applicants
  • INTEL CORPORATION [US]/[US]
Inventors
  • PREISSL, Christoph
  • BUCKEL, Tobias
  • MAYER, Thomas
  • PREYLER, Peter
Agents
  • BRUTMAN, Laura C.
Priority Data
16/233,40127.12.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) POLAR MODULATION SYSTEMS AND METHODS
(FR) SYSTÈMES ET PROCÉDÉS DE MODULATION POLAIRE
Abstract
(EN)
In a modulation correction method, an adjusted amplitude is determined based on an amplitude between adjacent zero crossings of a modulated signal, the adjacent zero crossings are shifted to determine shifted zero crossings, and the modulated signal is adapted based on the adjusted amplitude and the shifted zero crossings to generate a corrected modulated signal corresponding to the modulated signal.
(FR)
Dans un procédé de correction de modulation, une amplitude ajustée est déterminée sur la base d'une amplitude entre des passages par zéro adjacents d'un signal modulé, les passages par zéro adjacents sont décalés pour déterminer des passages par zéro décalés, et le signal modulé est adapté sur la base de l'amplitude ajustée et des passages par zéro décalés pour générer un signal modulé corrigé correspondant au signal modulé.
Also published as
Latest bibliographic data on file with the International Bureau