FR3059183B1 - Demodulation optimisee des signaux rds en radio numerique - Google Patents

Demodulation optimisee des signaux rds en radio numerique Download PDF

Info

Publication number
FR3059183B1
FR3059183B1 FR1661473A FR1661473A FR3059183B1 FR 3059183 B1 FR3059183 B1 FR 3059183B1 FR 1661473 A FR1661473 A FR 1661473A FR 1661473 A FR1661473 A FR 1661473A FR 3059183 B1 FR3059183 B1 FR 3059183B1
Authority
FR
France
Prior art keywords
phase
rds
controlled oscillator
baseband signal
digitally controlled
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
FR1661473A
Other languages
English (en)
Other versions
FR3059183A1 (fr
Inventor
Chao Lin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aumovio Germany GmbH
Original Assignee
Continental Automotive Technologies GmbH
Continental Automotive France SAS
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 Continental Automotive Technologies GmbH, Continental Automotive France SAS filed Critical Continental Automotive Technologies GmbH
Priority to FR1661473A priority Critical patent/FR3059183B1/fr
Priority to PCT/FR2017/053236 priority patent/WO2018096284A1/fr
Priority to US16/340,162 priority patent/US10615833B2/en
Priority to CN201780072563.3A priority patent/CN110089039B/zh
Publication of FR3059183A1 publication Critical patent/FR3059183A1/fr
Application granted granted Critical
Publication of FR3059183B1 publication Critical patent/FR3059183B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H04B1/3822—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 specially adapted for use in vehicles
    • 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
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • H04B1/0028—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at baseband stage
    • H04B1/0042—Digital filtering
    • 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
    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/48—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for in-vehicle communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

Procédé de correction de démodulation RDS dans un système autoradio (10) pour véhicule comprenant un cœur numérique avec un bloc de démodulation RDS (1), un oscillateur à commande numérique (2),un mélangeur numérique (3) mixant les signaux en entrée avec la sortie de l'oscillateur à commande numérique, un filtre passe bas (4) pour récupérer des signaux RDS en bande de base comprenant une suite de symboles S(k),un bloc estimateur de phase (5) configuré pour estimer un écart de phase du signal en bande de base, le procédé comprenant une première correction (61) agissant, en fonction de l'estimation de l'écart de phase du signal en bande de base, sur un égaliseur de phase (6), en aval du filtre passe bas, pour annuler l'écart de phase, et optionnellement une deuxième correction formant boucle de rétroaction (62) et agissant sur l'oscillateur à commande numérique en fonction de la dérive des écarts en phase du signal en bande de base.
FR1661473A 2016-11-24 2016-11-24 Demodulation optimisee des signaux rds en radio numerique Active FR3059183B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR1661473A FR3059183B1 (fr) 2016-11-24 2016-11-24 Demodulation optimisee des signaux rds en radio numerique
PCT/FR2017/053236 WO2018096284A1 (fr) 2016-11-24 2017-11-23 Démodulation optimisée des signaux rds en radio numérique
US16/340,162 US10615833B2 (en) 2016-11-24 2017-11-23 Optimized demodulation of RDS signals in digital radio
CN201780072563.3A CN110089039B (zh) 2016-11-24 2017-11-23 数字无线电中rds信号的优化解调

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1661473A FR3059183B1 (fr) 2016-11-24 2016-11-24 Demodulation optimisee des signaux rds en radio numerique
FR1661473 2016-11-24

Publications (2)

Publication Number Publication Date
FR3059183A1 FR3059183A1 (fr) 2018-05-25
FR3059183B1 true FR3059183B1 (fr) 2019-02-01

Family

ID=58401687

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1661473A Active FR3059183B1 (fr) 2016-11-24 2016-11-24 Demodulation optimisee des signaux rds en radio numerique

Country Status (4)

Country Link
US (1) US10615833B2 (fr)
CN (1) CN110089039B (fr)
FR (1) FR3059183B1 (fr)
WO (1) WO2018096284A1 (fr)

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5684832A (en) * 1993-06-04 1997-11-04 Ntt Mobile Communications Network Maximum likelihood differential detecting method and differential detector thereof
FR2717646B1 (fr) * 1994-03-16 1996-04-26 Alcatel Telspace Dispositif numérique de récupération large bande d'une porteuse.
US5495203A (en) * 1994-12-02 1996-02-27 Applied Signal Technology, Inc. Efficient QAM equalizer/demodulator with non-integer sampling
DE19747457C2 (de) * 1997-10-27 2000-04-06 Siemens Ag Verfahren und Anordnung zur Übertragung von Daten über eine Funkschnittstelle in einem Funk-Kommunikationssystem
JP3196828B2 (ja) * 1997-12-18 2001-08-06 日本電気株式会社 無線受信方法および装置
US6313789B1 (en) * 1998-06-10 2001-11-06 Topcon Positioning Systems, Inc. Joint tracking of the carrier phases of the signals received from different satellites
US6459888B1 (en) * 1998-09-30 2002-10-01 Skyworks Solutions, Inc. Method of estimating carrier frequency in a digital mobile communications system through multiple hypotheses performed on the received signal
FR2792140A1 (fr) * 1999-04-07 2000-10-13 Koninkl Philips Electronics Nv Correction en frequence a la reception dans un systeme de transmission par paquets
US6597733B2 (en) * 2001-03-05 2003-07-22 Ensemble Communications, Inc. Equalizer performance enhancements for broadband wireless applications
DE10111590B4 (de) * 2001-03-10 2004-05-06 Harman Becker Automotive Systems (Becker Division) Gmbh Verfahren und Schaltungsanordnung zur Demodulation des RDS-Signals
EP1278346B1 (fr) * 2001-07-19 2006-08-23 TransCore Link Logistics Corporation Dispositif de poursuite de phase pour signaux linéairment modulés
US7362802B2 (en) * 2003-09-12 2008-04-22 Zarbana Digital Fund Llc Frequency domain equalizer for wireless commuications system
US7545870B1 (en) * 2004-04-14 2009-06-09 Panasonic Corporation Reception device
KR101080969B1 (ko) * 2004-08-18 2011-11-09 엘지전자 주식회사 디지털 수신기의 ｓｆｏ 추정 방법 및 장치
SG126808A1 (en) * 2005-05-05 2006-11-29 Oki Techno Ct Singapore Pte Frequency offset estimation for dpsk
US7787630B2 (en) * 2005-08-29 2010-08-31 Texas Instruments Incorporated FM stereo decoder incorporating Costas loop pilot to stereo component phase correction
US7587170B1 (en) * 2005-10-14 2009-09-08 Marvell Semiconductor, Inc. Digital radio data system receiver methods and apparatus
CN1845543A (zh) * 2006-03-27 2006-10-11 上海承思微电子有限公司 Rds信号的非相干数字解调装置
JP2008211766A (ja) * 2007-02-02 2008-09-11 Rohm Co Ltd デジタル変調器、変調方法、これを利用したｆｍ送信機、ならびに電子機器
US7907680B2 (en) * 2008-01-03 2011-03-15 Himax Technologies Limited Tolerable synchronization circuit of RDS receiver
US8374291B1 (en) * 2009-02-04 2013-02-12 Meteorcomm Llc Methods for bit synchronization and symbol detection in multiple-channel radios and multiple-channel radios utilizing the same
CN102752249B (zh) * 2011-04-20 2015-05-27 上海炬力集成电路设计有限公司 信号检测装置及方法
US9130815B2 (en) * 2011-07-08 2015-09-08 Telefonaktiebolaget L M Ericsson (Publ) Method, receiver, transmitter and communication system for phase error compensation
CN102957642B (zh) * 2011-08-24 2016-04-27 上海凯芯微电子有限公司 一种无线数据接收系统及其接收方法
GB2495103A (en) * 2011-09-28 2013-04-03 Cambridge Silicon Radio Ltd Short range FM transmitter with frequency diversity
IN2014DN08872A (fr) * 2012-04-24 2015-05-22 Nec Corp
US9178683B2 (en) * 2012-05-23 2015-11-03 Hughes Network Systems, Llc Method and apparatus for parallel demodulation of high symbol rate data streams in a communications system
RU2650179C2 (ru) * 2014-01-16 2018-04-11 Нек Корпорейшн Устройство связи, устройство демодуляции, устройство восстановления несущей, устройство компенсации фазовой ошибки, способ компенсации фазовой ошибки и запоминающий носитель, на котором сохранена программа компенсации фазовой ошибки

Also Published As

Publication number Publication date
US10615833B2 (en) 2020-04-07
US20190245571A1 (en) 2019-08-08
CN110089039A (zh) 2019-08-02
WO2018096284A1 (fr) 2018-05-31
CN110089039B (zh) 2021-03-23
FR3059183A1 (fr) 2018-05-25

Similar Documents

Publication Publication Date Title
CN104614740B (zh) 一种导航信号数据导频联合跟踪方法及装置
CN101839987B (zh) 一种自适应gps软件接收机的实现方法
Dolbeault et al. Nonlinear flows and rigidity results on compact manifolds
CN104536016B (zh) 一种gnss新体制信号捕获装置及方法
CN106603454B (zh) 一种gfsk数字双通道解调方法
US6696886B1 (en) Automatically adjusting gain/bandwidth loop filter
JP6221780B2 (ja) 無線受信機およびその周波数補正方法
RU2009117768A (ru) Приемник gps (варианты) и способ извлечения амплитуды и псевдодоплеровской фазы сигнала
CN105245303A (zh) 一种高速突发解调同步系统
CN103701740A (zh) 卫星移动通信中载波跟踪的方法及装置
CN105264784B (zh) 同步方法、接收端及发送端
CN106443733B (zh) 一种无人机的定位系统和方法
KR102554117B1 (ko) 탭 의존적 주파수 오프셋 추정을 이용하는 향상된 채널 추정 시스템 및 방법
RU2013142649A (ru) Способ определения и коррекции отклонения фазы несущей в ходе приема радионавигационного сигнала
CN202906963U (zh) 相干解调频移键控调制信号的频率偏移估计系统
JP2016517512A5 (fr)
FR3059183B1 (fr) Demodulation optimisee des signaux rds en radio numerique
Zhang et al. The local and global existence of solutions for a time fractional complex Ginzburg–Landau equation
US9813268B2 (en) Digital frequency modulation receiver with frequency variation signal and demodulation method used by the same
CN106896383B (zh) 一种接收机跟踪装置及实现接收机跟踪的方法
US20070253512A1 (en) Method for acquiring timing and carrier synchronization of offset-QPSK modulated signals
US7791408B2 (en) Method and apparatus for automatic frequency correction
MA46139B1 (fr) Systèmes et procédés de commutation d'oscillateurs à quartz de référence pour un émetteur-récepteur d'un dispositif sans fil
CN214544367U (zh) 符号同步电路及接收机
CN115348142B (zh) 符号同步电路及接收机

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 2

PLSC Publication of the preliminary search report

Effective date: 20180525

PLFP Fee payment

Year of fee payment: 4

PLFP Fee payment

Year of fee payment: 5

PLFP Fee payment

Year of fee payment: 6

PLFP Fee payment

Year of fee payment: 7

PLFP Fee payment

Year of fee payment: 8

PLFP Fee payment

Year of fee payment: 9

TP Transmission of property

Owner name: CONTINENTAL AUTOMOTIVE TECHNOLOGIES GMBH, DE

Effective date: 20250228

PLFP Fee payment

Year of fee payment: 10