PL3123648T3 - Wykrywanie jednoczesnej transmisji wywołań - Google Patents

Wykrywanie jednoczesnej transmisji wywołań

Info

Publication number
PL3123648T3
PL3123648T3 PL15721779T PL15721779T PL3123648T3 PL 3123648 T3 PL3123648 T3 PL 3123648T3 PL 15721779 T PL15721779 T PL 15721779T PL 15721779 T PL15721779 T PL 15721779T PL 3123648 T3 PL3123648 T3 PL 3123648T3
Authority
PL
Poland
Prior art keywords
detection
call transmission
simultaneous call
simultaneous
transmission
Prior art date
Application number
PL15721779T
Other languages
English (en)
Inventor
Desmond Keith Phillips
Paul Andrew NOBLE
Original Assignee
Park Air Systems Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Park Air Systems Limited filed Critical Park Air Systems Limited
Publication of PL3123648T3 publication Critical patent/PL3123648T3/pl

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • H04J11/0026—Interference mitigation or co-ordination of multi-user interference
    • H04J11/0036—Interference mitigation or co-ordination of multi-user interference at the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/06—Demodulator circuits; Receiver circuits
    • H04L27/066—Carrier recovery circuits
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/16—Spectrum analysis; Fourier analysis
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/141—Discrete Fourier transforms
    • G06F17/142—Fast Fourier transforms, e.g. using a Cooley-Tukey type algorithm
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G5/00—Traffic control systems for aircraft
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G5/00—Traffic control systems for aircraft
    • G08G5/20—Arrangements for acquiring, generating, sharing or displaying traffic information
    • G08G5/22—Arrangements for acquiring, generating, sharing or displaying traffic information located on the ground
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/06—Demodulator circuits; Receiver circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2649—Demodulators
    • H04L27/265—Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators
    • H04L27/2651—Modification of fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators for performance improvement
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • H04J11/0026—Interference mitigation or co-ordination of multi-user interference

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Discrete Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Data Mining & Analysis (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Software Systems (AREA)
  • Databases & Information Systems (AREA)
  • Power Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • Noise Elimination (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Rehabilitation Tools (AREA)
PL15721779T 2014-03-24 2015-03-24 Wykrywanie jednoczesnej transmisji wywołań PL3123648T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1405259.1A GB2522083B (en) 2014-03-24 2014-03-24 Simultaneous call transmission detection
PCT/GB2015/050878 WO2015145138A2 (en) 2014-03-24 2015-03-24 Simultaneous call transmission detection
EP15721779.5A EP3123648B1 (en) 2014-03-24 2015-03-24 Simultaneous call transmission detection

Publications (1)

Publication Number Publication Date
PL3123648T3 true PL3123648T3 (pl) 2021-11-22

Family

ID=50686822

Family Applications (1)

Application Number Title Priority Date Filing Date
PL15721779T PL3123648T3 (pl) 2014-03-24 2015-03-24 Wykrywanie jednoczesnej transmisji wywołań

Country Status (11)

Country Link
US (2) US10263721B2 (pl)
EP (1) EP3123648B1 (pl)
CN (1) CN106664148B (pl)
AU (1) AU2015237965B2 (pl)
DK (1) DK3123648T3 (pl)
ES (1) ES2872332T3 (pl)
GB (1) GB2522083B (pl)
HR (1) HRP20211153T1 (pl)
PL (1) PL3123648T3 (pl)
PT (1) PT3123648T (pl)
WO (1) WO2015145138A2 (pl)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015008165A2 (en) 2013-06-25 2015-01-22 Nguyen Thuy Duong Detection of weak user signal in double transmission
GB2522083B (en) 2014-03-24 2016-02-10 Park Air Systems Ltd Simultaneous call transmission detection
US10938682B2 (en) * 2014-12-30 2021-03-02 Research Electronics International, Llc System and method for detecting constant-datagram-rate network traffic
US11539632B2 (en) * 2014-12-30 2022-12-27 Research Electronics International, Llc System and method for detecting constant-datagram-rate network traffic indicative of an unmanned aerial vehicle
US9941959B2 (en) * 2016-01-18 2018-04-10 Qoscience, Inc. Method and apparatus for the detection of distortion or corruption of cellular communication signals
DE102016205609A1 (de) * 2016-04-05 2017-10-05 Rohde & Schwarz Gmbh & Co. Kg Verarbeitungsvorrichtung und Verfahren
WO2018092581A1 (ja) * 2016-11-16 2018-05-24 株式会社日立国際電気 無線機
CN108665889B (zh) * 2018-04-20 2021-09-28 百度在线网络技术（北京）有限公司 语音信号端点检测方法、装置、设备及存储介质
AT522205B1 (de) 2019-03-08 2021-05-15 Frequentis Ag Verfahren zur Erkennung und Wiedergabe von einer Mehrzahl von Sendern über Funk abgegebenen Sprechfunkmeldungen sowie Vorrichtung hierzu
US11855683B2 (en) * 2021-06-29 2023-12-26 Raytheon Company Configurable acquisition engine for receiver of spread spectrum signals
CN114124631B (zh) * 2021-11-15 2023-10-27 四川九洲空管科技有限责任公司 适用于机载客舱嵌入式设备间音频同步控制的处理方法

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US4031462A (en) * 1975-07-07 1977-06-21 Motorola, Inc. Frequency spectrum analyzer
US5008939A (en) 1989-07-28 1991-04-16 Bose Corporation AM noise reducing
US7127008B2 (en) 2003-02-24 2006-10-24 Ibiquity Digital Corporation Coherent AM demodulator using a weighted LSB/USB sum for interference mitigation
KR20070041551A (ko) * 2004-07-01 2007-04-18 텍사스 인스트루먼츠 인코포레이티드 스펙트럼 스컬프팅을 가능하게 하기 위한 다중 대역ｏｆｄｍ 시스템의 시간 영역 윈도잉
US7307700B1 (en) * 2004-12-17 2007-12-11 The Boeing Company Ultra-linear signal processing for radar and laser radar
US7587171B2 (en) * 2005-03-09 2009-09-08 Atc Technologies, Llc Reducing interference in a wireless communications signal in the frequency domain
WO2007117525A2 (en) * 2006-04-03 2007-10-18 Wionics Research Frequency offset correction for an ultrawideband communication system
CN101277281B (zh) * 2007-03-29 2015-05-20 深圳赛意法微电子有限公司 估计信道的信道响应的方法和设备
DE102007037105A1 (de) * 2007-05-09 2008-11-13 Rohde & Schwarz Gmbh & Co. Kg Verfahren und Vorrichtung zur Detektion von simultaner Doppelaussendung von AM-Signalen
US8155641B2 (en) * 2007-12-27 2012-04-10 Michael Hirsch System and method for preventing lapses of communication in radio voice communications
US9300514B2 (en) * 2010-01-22 2016-03-29 Sony Corporation OFDM generation apparatus in a multi-carrier data transmission system
JP5430737B2 (ja) * 2010-02-25 2014-03-05 三菱電機株式会社 干渉波抑圧装置、中継装置、中継システムおよび干渉波抑圧方法
DE102010056528B4 (de) * 2010-12-29 2016-08-18 Atlas Elektronik Gmbh Verfahren und Vorrichtung zum Erhöhen der Peilgenauigkeit einer Empfängeranordnung
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WO2015008165A2 (en) 2013-06-25 2015-01-22 Nguyen Thuy Duong Detection of weak user signal in double transmission
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US9628122B1 (en) * 2016-07-25 2017-04-18 The Aerospace Corporation Circuits and methods for reducing interference that spectrally overlaps a desired signal based on dynamic gain control and/or equalization

Also Published As

Publication number Publication date
EP3123648A2 (en) 2017-02-01
CN106664148A (zh) 2017-05-10
DK3123648T3 (da) 2021-06-28
EP3123648B1 (en) 2021-05-05
BR112016022034A2 (pt) 2017-08-15
PT3123648T (pt) 2021-06-04
WO2015145138A2 (en) 2015-10-01
US20170155460A1 (en) 2017-06-01
US10263721B2 (en) 2019-04-16
GB2522083B (en) 2016-02-10
GB201405259D0 (en) 2014-05-07
US20190199462A1 (en) 2019-06-27
ES2872332T3 (es) 2021-11-02
AU2015237965A1 (en) 2016-11-10
WO2015145138A3 (en) 2015-11-19
CN106664148B (zh) 2019-12-03
GB2522083A (en) 2015-07-15
AU2015237965B2 (en) 2019-06-20
HRP20211153T1 (hr) 2021-10-15

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