CN114026802A - 一种用于校正多个传输通道间偏差的装置及无线通信设备 - Google Patents

一种用于校正多个传输通道间偏差的装置及无线通信设备 Download PDF

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CN114026802A
CN114026802A CN201980097947.XA CN201980097947A CN114026802A CN 114026802 A CN114026802 A CN 114026802A CN 201980097947 A CN201980097947 A CN 201980097947A CN 114026802 A CN114026802 A CN 114026802A
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signal
transmission channel
channel
transmission
vector
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CN201980097947.XA
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CN114026802B (zh
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周沐
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0658—Feedback reduction
    • H04B7/0663—Feedback reduction using vector or matrix manipulations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/11—Monitoring; Testing of transmitters for calibration
    • H04B17/12—Monitoring; Testing of transmitters for calibration of transmit antennas, e.g. of the amplitude or phase
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2283—Supports; Mounting means by structural association with other equipment or articles mounted in or on the surface of a semiconductor substrate as a chip-type antenna or integrated with other components into an IC package
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/061—Two dimensional planar arrays
    • H01Q21/065—Patch antenna array
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/267—Phased-array testing or checking devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/11—Monitoring; Testing of transmitters for calibration
    • H04B17/14—Monitoring; Testing of transmitters for calibration of the whole transmission and reception path, e.g. self-test loop-back
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/21—Monitoring; Testing of receivers for calibration; for correcting measurements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0634—Antenna weights or vector/matrix coefficients

Abstract

一种用于校正多个传输通道间偏差的装置及无线通信设备，用以提高传输通道间偏差校正的准确性。多个传输通道包括第一传输通道和第二传输通道，该装置包括：第一分路器，用于向第一传输通道和第二传输通道馈入第一信号，第一分路器位于第一传输通道和第二传输通道的中间对称位置；矢量检测单元，用于在第一分路器馈入第一信号时，根据第一传输通道的第一反馈信号检测第一信号矢量，以及根据第二传输通道的第二反馈信号检测第二信号矢量；第一信号矢量和第二信号矢量用于确定第一传输通道与第二传输通道间的第一偏差校正值，第一偏差校正值用于校正第一传输通道与第二传输通道间的偏差。

Description

PCT国内申请，说明书已公开。

Claims (13)

  1. PCT国内申请，权利要求书已公开。
CN201980097947.XA 2019-06-28 2019-06-28 一种用于校正多个传输通道间偏差的装置及无线通信设备 Active CN114026802B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/093899 WO2020258318A1 (zh) 2019-06-28 2019-06-28 一种用于校正多个传输通道间偏差的装置及无线通信设备

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CN114026802A true CN114026802A (zh) 2022-02-08
CN114026802B CN114026802B (zh) 2023-01-06

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US (1) US11962384B2 (zh)
EP (1) EP3982564A4 (zh)
CN (1) CN114026802B (zh)
WO (1) WO2020258318A1 (zh)

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CN109245836A (zh) * 2018-11-07 2019-01-18 中电科仪器仪表有限公司 一种多通道设备的测试装置及方法
US20190109627A1 (en) * 2017-05-04 2019-04-11 Movandi Corporation Amplitude and phase calibration at a transmitter chip in an antenna array

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JP5641951B2 (ja) * 2010-09-13 2014-12-17 ルネサスエレクトロニクス株式会社 無線通信システム、無線通信方法、無線機器およびデータ送信機
ES2597079T3 (es) * 2012-10-31 2017-01-13 Huawei Technologies Co., Ltd. Transmisor, receptor y método de recepción/transmisión de radiofrecuencia
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Publication number Publication date
EP3982564A1 (en) 2022-04-13
WO2020258318A1 (zh) 2020-12-30
CN114026802B (zh) 2023-01-06
US20220123814A1 (en) 2022-04-21
US11962384B2 (en) 2024-04-16
EP3982564A4 (en) 2022-06-22

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