JP6650422B2 - 受信機 - Google Patents

受信機 Download PDF

Info

Publication number
JP6650422B2
JP6650422B2 JP2017094860A JP2017094860A JP6650422B2 JP 6650422 B2 JP6650422 B2 JP 6650422B2 JP 2017094860 A JP2017094860 A JP 2017094860A JP 2017094860 A JP2017094860 A JP 2017094860A JP 6650422 B2 JP6650422 B2 JP 6650422B2
Authority
JP
Japan
Prior art keywords
filter
signal
demodulated signal
receiver
filter responses
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
JP2017094860A
Other languages
English (en)
Japanese (ja)
Other versions
JP2017204861A5 (enExample
JP2017204861A (ja
Inventor
ヨハン・ファン・デン・フーヴェル
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.)
Stichting Imec Nederland
Original Assignee
Stichting Imec Nederland
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 Stichting Imec Nederland filed Critical Stichting Imec Nederland
Publication of JP2017204861A publication Critical patent/JP2017204861A/ja
Publication of JP2017204861A5 publication Critical patent/JP2017204861A5/ja
Application granted granted Critical
Publication of JP6650422B2 publication Critical patent/JP6650422B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • H04L25/06—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of DC offset
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H04L1/206—Arrangements for detecting or preventing errors in the information received using signal quality detector for modulated signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/142—Compensating direct current components occurring during the demodulation and which are caused by mistuning
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
    • H04L27/148—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using filters, including PLL-type filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/16—Frequency regulation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Circuits Of Receivers In General (AREA)
JP2017094860A 2016-05-11 2017-05-11 受信機 Active JP6650422B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16169134.0 2016-05-11
EP16169134.0A EP3244584B1 (en) 2016-05-11 2016-05-11 Receiver for frequency offset correction

Publications (3)

Publication Number Publication Date
JP2017204861A JP2017204861A (ja) 2017-11-16
JP2017204861A5 JP2017204861A5 (enExample) 2020-01-09
JP6650422B2 true JP6650422B2 (ja) 2020-02-19

Family

ID=55967133

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017094860A Active JP6650422B2 (ja) 2016-05-11 2017-05-11 受信機

Country Status (3)

Country Link
US (1) US10044534B2 (enExample)
EP (1) EP3244584B1 (enExample)
JP (1) JP6650422B2 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102041342B1 (ko) * 2017-07-24 2019-11-06 어보브반도체 주식회사 다중 상관 검출을 이용하여 패킷 검출, 심볼 타이밍 포착 및 반송파 주파수 오프셋 추정을 동시에 병렬 수행하는 방법 및 그 블루투스 장치
GB201907717D0 (en) * 2019-05-31 2019-07-17 Nordic Semiconductor Asa Apparatus and methods for dc-offset estimation
KR20240048103A (ko) * 2022-10-06 2024-04-15 주식회사 디비하이텍 수신기 입력부의 블록커 신호 제거장치 및 방법

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3073687B2 (ja) * 1996-02-09 2000-08-07 松下電器産業株式会社 フィルタに遮断周波数切替手段を備えた直接変換受信機
JP3805258B2 (ja) * 2002-01-29 2006-08-02 松下電器産業株式会社 ダイレクトコンバージョン受信機
US7110477B2 (en) * 2003-04-29 2006-09-19 Texas Instruments Incorporated Gaussian frequency shift keying digital demodulator
US7280618B2 (en) * 2003-06-25 2007-10-09 Interdigital Technology Corporation Digital baseband receiver including a high pass filter compensation module for suppressing group delay variation distortion incurred due to analog high pass filter deficiencies
WO2006075631A1 (ja) * 2005-01-14 2006-07-20 Nec Corporation 通信装置、マルチバンド受信装置及び受信装置
US7477885B2 (en) * 2005-04-22 2009-01-13 Wilinx Corporation DC offset cancellation circuits and methods
US8050368B2 (en) 2007-05-29 2011-11-01 Texas Instruments Incorporated Nonlinear adaptive phase domain equalization for multilevel phase coded demodulators
US8411805B1 (en) 2007-08-14 2013-04-02 Marvell International Ltd. Joint estimation of channel and preamble sequence for orthogonal frequency division multiplexing systems
US8644426B1 (en) 2008-07-14 2014-02-04 Marvell International Ltd. Robust differential receiver for frequency modulated system
US9253568B2 (en) * 2008-07-25 2016-02-02 Broadcom Corporation Single-microphone wind noise suppression
US8358994B2 (en) * 2009-08-19 2013-01-22 Silicon Laboratories Inc. Mitigating radio receiver multipath noise
TWI487334B (zh) 2012-12-26 2015-06-01 Mstar Semiconductor Inc 載波頻率偏移補償裝置及方法
EP2905905B1 (en) 2014-02-06 2020-05-20 Stichting IMEC Nederland System for direct conversion receivers

Also Published As

Publication number Publication date
EP3244584A1 (en) 2017-11-15
JP2017204861A (ja) 2017-11-16
EP3244584B1 (en) 2019-07-03
US20170331652A1 (en) 2017-11-16
US10044534B2 (en) 2018-08-07

Similar Documents

Publication Publication Date Title
JPH03236652A (ja) 適応位相検出同期方法
JP2004214962A (ja) Ｏｆｄｍ復調装置
US9722845B2 (en) Bluetooth low energy frequency offset and modulation index estimation
US7254189B1 (en) Blind carrier offset detection for quadrature modulated digital communication systems
WO2007125846A1 (ja) 信号検出装置、及び信号検出方法
JP6650422B2 (ja) 受信機
JP4165413B2 (ja) 無線データ通信復調装置及び復調方法
US9774412B2 (en) Carrier synchronization method, circuit, and system
US8155250B2 (en) Receiver with frequency offset compensation for M-state phase modulation
KR20010041149A (ko) 주파수 동기 신호를 검출하기 위한 방법 및 장치
WO2019158182A1 (en) Frequency estimation in a wireless communication network for power grid control
TW201822515A (zh) 解調
JP3980486B2 (ja) 周波数オフセット推定器
CN110071891B (zh) 基于ce-ofdm技术的相位解调方法、装置及系统
CN101431495B (zh) 接收器
US9496900B2 (en) Signal acquisition in a multimode environment
US20190207743A1 (en) Independent packet detection method using synchronization words with orthogonality and receiver therefor
JP2016140020A (ja) 受信装置及び受信装置の受信方法
JP4406998B2 (ja) 同期獲得方法及び無線通信装置
JP3449281B2 (ja) マルチキャリア受信装置用同期回路及びマルチキャリア受信装置
JP2009010543A (ja) ベースバンド処理装置およびそれを使用した無線システム
WO2022062811A1 (zh) 数据发送方法、无线接入点及计算机可读存储介质
JP3832735B2 (ja) 復調回路
CN103326811A (zh) 一种信号发送以及对发射端数据信号解调的方法及装置
CN108111451A (zh) 一种频偏估计方法及系统

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20191108

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20191119

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20191119

A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20191125

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20200114

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20200120

R150 Certificate of patent or registration of utility model

Ref document number: 6650422

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250