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1. WO2020198168 - RECEIVER COMBINING FOR HYBRID ANALOG-DIGITAL BEAMFORMING

Publication Number WO/2020/198168
Publication Date 01.10.2020
International Application No. PCT/US2020/024318
International Filing Date 23.03.2020
IPC
H04B 7/08 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
7Radio transmission systems, i.e. using radiation field
02Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas
04using two or more spaced independent antennas
08at the receiving station
CPC
H04B 7/084
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
7Radio transmission systems, i.e. using radiation field
02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
04using two or more spaced independent antennas
08at the receiving station
0837using pre-detection combining
084Equal gain combining, only phase adjustments
H04B 7/086
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
7Radio transmission systems, i.e. using radiation field
02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
04using two or more spaced independent antennas
08at the receiving station
0837using pre-detection combining
0842Weighted combining
086using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
Applicants
  • INTERDIGITAL PATENT HOLDINGS, INC. [US]/[US]
Inventors
  • MORSALI, Alireza
  • CHAMPAGNE, Benoit J. F.
  • HAGHIGHAT, Afshin
Agents
  • IRVINE III, Robert J.
Priority Data
62/822,61322.03.2019US
62/950,78919.12.2019US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) RECEIVER COMBINING FOR HYBRID ANALOG-DIGITAL BEAMFORMING
(FR) COMBINAISON DE RÉCEPTEURS POUR FORMATION DE FAISCEAU HYBRIDE ANALOGIQUE-NUMÉRIQUE
Abstract
(EN)
Hybrid beamforming including: obtaining a multiple input multiple output (MIMO) signal combiner matrix; and decomposing the MIMO signal combiner matrix into a first and a second constituent matrix, the combiner matrix being a scaled sum of the first and second constituent matrices. A method includes processing a plurality of signals using a radio frequency (RF) analog signal processing (ASP) network, having N input and M output ports, comprising feed-forward connections of T RF components, the RF components selected from the group comprising phase shifters, power combiners and power dividers.
(FR)
L'invention concerne la formation de faisceau hybride comprenant : l'obtention d'une matrice de combineur de signaux entrées multiples et sorties multiples (MIMO) ; et la décomposition de la matrice de combineur de signaux MIMO en une première et une seconde matrice constitutive, la matrice de combineur étant une somme pondérée des première et seconde matrices constitutives. L'invention concerne également un procédé comprenant le traitement d'une pluralité de signaux à l'aide d'un réseau de traitement de signal analogique (ASP) radiofréquence (RF), ayant N ports d'entrée et M ports de sortie, comprenant des connexions à propagation directe de T composants RF, les composants RF étant sélectionnés dans le groupe comprenant des déphaseurs, des combineurs de puissance et des diviseurs de puissance.
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