CN112970232A - 干扰消除的方法、设备及系统 - Google Patents

干扰消除的方法、设备及系统 Download PDF

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Publication number
CN112970232A
CN112970232A CN201880099151.3A CN201880099151A CN112970232A CN 112970232 A CN112970232 A CN 112970232A CN 201880099151 A CN201880099151 A CN 201880099151A CN 112970232 A CN112970232 A CN 112970232A
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China
Prior art keywords
signal
interference
self
cancellation
interference signal
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CN201880099151.3A
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CN112970232B (zh
Inventor
蔡梦
李昆
马剑涛
曹萍
蒋红丽
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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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03248—Arrangements for operating in conjunction with other apparatus
    • H04L25/0328—Arrangements for operating in conjunction with other apparatus with interference cancellation circuitry
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/366—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1461—Suppression of signals in the return path, i.e. bidirectional control circuits

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Noise Elimination (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

本申请实施例提供干扰消除的方法、设备及系统，涉及微波技术领域，可以在对中频电缆的传输带宽进行提速时克服现有的方案频谱效率低、中频电缆的传输带宽有限的问题。方法包括：第一设备向第二设备发送第一信号，第一信号包括第一发送信号和第一导频信号；第一设备获取第二信号，第二信号包括第一自干扰信号、第二导频信号、以及来自第二设备的第二接收信号；第一设备根据第一导频信号和第二导频信号，提取第一自干扰信号的抖动信息；第一设备根据第一发送信号和第一自干扰信号的抖动信息进行自干扰信号重建，得到第一自干扰信号的抵消信号；第一设备根据第一自干扰信号的抵消信号，将第一自干扰信号从第二接收信号中消除。

Description

PCT国内申请，说明书已公开。

Claims (28)

  1. PCT国内申请，权利要求书已公开。
CN201880099151.3A 2018-11-08 2018-11-08 干扰消除的方法、设备及系统 Active CN112970232B (zh)

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PCT/CN2018/114640 WO2020093332A1 (zh) 2018-11-08 2018-11-08 干扰消除的方法、设备及系统

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CN112970232A true CN112970232A (zh) 2021-06-15
CN112970232B CN112970232B (zh) 2022-07-12

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US (1) US11895522B2 (zh)
EP (1) EP3866422B1 (zh)
CN (1) CN112970232B (zh)
WO (1) WO2020093332A1 (zh)

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CN114520988A (zh) * 2021-12-21 2022-05-20 海能达通信股份有限公司 一种静噪控制方法、装置、设备及可读存储介质

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US11546897B2 (en) * 2019-03-28 2023-01-03 Mediatek Inc. Control information for wideband operation
JP2023003777A (ja) * 2021-06-24 2023-01-17 東芝テック株式会社 通信装置
CN115996064B (zh) * 2023-03-22 2023-06-30 北京理工大学 基于多重参考信号的自适应干扰抑制方法及系统

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114520988A (zh) * 2021-12-21 2022-05-20 海能达通信股份有限公司 一种静噪控制方法、装置、设备及可读存储介质
CN114520988B (zh) * 2021-12-21 2024-01-12 海能达通信股份有限公司 一种静噪控制方法、装置、设备及可读存储介质

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US11895522B2 (en) 2024-02-06
EP3866422B1 (en) 2023-11-01
WO2020093332A1 (zh) 2020-05-14
US20210258816A1 (en) 2021-08-19
EP3866422A4 (en) 2021-11-03
EP3866422A1 (en) 2021-08-18
CN112970232B (zh) 2022-07-12

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