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1. WO2020135354 - METHOD AND DEVICE FOR MEASURING IMPEDANCE OF TRANSMISSION CHANNEL

Publication Number WO/2020/135354
Publication Date 02.07.2020
International Application No. PCT/CN2019/127565
International Filing Date 23.12.2019
IPC
G01R 27/02 2006.01
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
27Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
02Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
CPC
G01R 27/02
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
27Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
02Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
G01R 27/14
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
27Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
02Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
14Measuring resistance by measuring current or voltage obtained from a reference source
Applicants
  • 中兴通讯股份有限公司 ZTE CORPORATION [CN]/[CN]
Inventors
  • 苗裕 MIAO, Yu
  • 关童童 GUAN, Tongtong
  • 杨智伟 YANG, Zhiwei
  • 易毕 YI, Bi
Agents
  • 北京国昊天诚知识产权代理有限公司 CO-HORIZON INTELLECTUAL PROPERTY INC.
Priority Data
201811642333.929.12.2018CN
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) METHOD AND DEVICE FOR MEASURING IMPEDANCE OF TRANSMISSION CHANNEL
(FR) PROCÉDÉ ET DISPOSITIF POUR MESURER L'IMPÉDANCE D'UN CANAL DE TRANSMISSION
(ZH) 一种传输通道阻抗的测量方法和装置
Abstract
(EN)
A method and device (1100) for measuring impedance of a transmission channel (404). The method is applied to the device (1100) for the measuring impedance of the transmission channel (404). The measurement device (1100) comprises a step signal generator (401, 711, 1011, 1103). The measurement method comprises: transmitting to a test end of a transmission channel (404) a fast step signal generated by the step signal generator (401, 711, 1011, 1103), the transmission channel (404) being a physical entity portion, located between a signal transmission unit (301, 51, 71, 81, 91, 1001) and a signal receiving unit (302, 52, 72, 82, 92, 1002), and used to transmit a communication signal (S201); acquiring a superposed signal at the test end, the superposed signal representing superimposition of the fast step signal and a reflected signal of the fast step signal at a point in the transmission channel (404) where impedance is discontinuous (S202); and acquiring, according to a level amplitude of the fast step signal and a level amplitude of the superposed signal, an impedance value of the point in the transmission channel (404) where impedance is discontinuous (S203).
(FR)
La présente invention concerne un procédé et un dispositif (1100) permettant de mesurer l'impédance d'un canal de transmission (404). Le procédé est appliqué au dispositif (1100) pour la mesure de l'impédance du canal de transmission (404). Le dispositif de mesure (1100) comprend un générateur de signal échelon (401, 711, 1011, 1103). Le procédé de mesure comprend : la transmission à une extrémité de test d'un canal de transmission (404) d'un signal échelon rapide généré par le générateur de signal échelon (401, 711, 1011, 1103), le canal de transmission (404) étant une partie d'entité physique, située entre une unité de transmission de signal (301, 51, 71, 81, 91, 1001) et une unité de réception de signal (302, 52, 72, 82, 92, 1002), et utilisée pour transmettre un signal de communication (S201); l'acquisition d'un signal superposé au niveau de l'extrémité de test, le signal superposé représentant la superposition du signal échelon rapide et d'un signal réfléchi du signal échelon rapide à un endroit dans le canal de transmission (404) où l'impédance est discontinue (S202); et l'acquisition, en fonction d'une amplitude de niveau du signal échelon rapide et d'une amplitude de niveau du signal superposé, d'une valeur d'impédance de l'endroit dans le canal de transmission (404) où l'impédance est discontinue (S203).
(ZH)
一种传输通道(404)阻抗的测量方法和装置(1100),该方法应用于传输通道(404)阻抗的测量装置(1100)中,测量装置(1100)包括阶跃信号发生器(401,711,1011,1103),该测量方法包括:将阶跃信号发生器(401,711,1011,1103)生成的快速阶跃信号发送至传输通道(404)的测试端,传输通道(404)为信号发送单元(301,51,71,81,91,1001)与信号接收单元(302,52,72,82,92,1002)之间的传输通信信号的物理实体部分(S201);在测试端获取叠加信号,叠加信号表示快速阶跃信号和传输通道(404)中的阻抗不连续的点对快速阶跃信号的反射信号的叠加(S202);根据快速阶跃信号的电平幅值和叠加信号的电平幅值,得到传输通道(404)中的阻抗不连续的点的阻抗值(S203)。
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