JP2016522604A - デジタル無線伝送処理 - Google Patents

デジタル無線伝送処理 Download PDF

Info

Publication number
JP2016522604A
JP2016522604A JP2016507054A JP2016507054A JP2016522604A JP 2016522604 A JP2016522604 A JP 2016522604A JP 2016507054 A JP2016507054 A JP 2016507054A JP 2016507054 A JP2016507054 A JP 2016507054A JP 2016522604 A JP2016522604 A JP 2016522604A
Authority
JP
Japan
Prior art keywords
bit
filter
time
matched
frequency
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.)
Pending
Application number
JP2016507054A
Other languages
English (en)
Japanese (ja)
Other versions
JP2016522604A5 (enExample
Inventor
ヴィクルンド、スヴェレ
シェーグレン オルセン、アイヴィント
シェーグレン オルセン、アイヴィント
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.)
Nordic Semiconductor ASA
Original Assignee
Nordic Semiconductor ASA
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 Nordic Semiconductor ASA filed Critical Nordic Semiconductor ASA
Publication of JP2016522604A publication Critical patent/JP2016522604A/ja
Publication of JP2016522604A5 publication Critical patent/JP2016522604A5/ja
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2334—Demodulator circuits; Receiver circuits using non-coherent demodulation using filters
    • 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
    • H04L27/38—Demodulator circuits; Receiver circuits
    • H04L27/3845—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier
    • H04L27/3854—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier using a non - coherent carrier, including systems with baseband correction for phase or frequency offset
    • 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
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/003—Correction of carrier offset at baseband only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0053—Closed loops
    • H04L2027/0057—Closed loops quadrature phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0063—Elements of loops
    • H04L2027/0065—Frequency error detectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0083—Signalling arrangements
    • H04L2027/0085—Signalling arrangements with no special signals for synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0083—Signalling arrangements
    • H04L2027/0089—In-band signals
    • H04L2027/0093—Intermittant signals
    • H04L2027/0095—Intermittant signals in a preamble or similar structure
    • 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
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Circuits Of Receivers In General (AREA)
JP2016507054A 2013-04-12 2014-04-09 デジタル無線伝送処理 Pending JP2016522604A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1306694.9A GB2512935A (en) 2013-04-12 2013-04-12 Digital Radio Transmissions
GB1306694.9 2013-04-12
PCT/GB2014/051098 WO2014167318A2 (en) 2013-04-12 2014-04-09 Digital radio transmissions

Publications (2)

Publication Number Publication Date
JP2016522604A true JP2016522604A (ja) 2016-07-28
JP2016522604A5 JP2016522604A5 (enExample) 2017-05-25

Family

ID=48537177

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016507054A Pending JP2016522604A (ja) 2013-04-12 2014-04-09 デジタル無線伝送処理

Country Status (8)

Country Link
US (1) US9729366B2 (enExample)
EP (1) EP2984802B1 (enExample)
JP (1) JP2016522604A (enExample)
KR (1) KR20150143645A (enExample)
CN (1) CN105684373B (enExample)
GB (1) GB2512935A (enExample)
TW (1) TWI650983B (enExample)
WO (1) WO2014167318A2 (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2545260A (en) 2015-12-11 2017-06-14 Nordic Semiconductor Asa Signal processing
GB2545489A (en) 2015-12-18 2017-06-21 Nordic Semiconductor Asa Radio communication
GB201620669D0 (en) 2016-12-05 2017-01-18 Nordic Semiconductor Asa Digital radio communication
GB2557300A (en) * 2016-12-05 2018-06-20 Nordic Semiconductor Asa Demodulation
CN108055221B (zh) * 2017-11-22 2020-07-17 西南电子技术研究所（中国电子科技集团公司第十研究所） Cpfsk信号载波频率捕获方法
GB201800101D0 (en) * 2018-01-04 2018-02-21 Nordic Semiconductor Asa Matched-filter radio receiver
GB201806730D0 (en) * 2018-04-25 2018-06-06 Nordic Semiconductor Asa Matched filter bank
DE102018220204A1 (de) * 2018-11-23 2020-05-28 Diehl Metering Gmbh Verschleierung von umwelteinflüssen auf den sendeparametern
GB202008616D0 (en) 2020-06-08 2020-07-22 Nordic Semiconductor Asa Frequency offset estimation
GB202009141D0 (en) 2020-06-16 2020-07-29 Nordic Semiconductor Asa Demodulating frequency-modulated signals
GB202009149D0 (en) 2020-06-16 2020-07-29 Nordic Semiconductor Asa Demodulating modulated signals
US12294473B2 (en) * 2020-11-23 2025-05-06 Shenzhen University Signal processing method and related devices
CN112710899B (zh) * 2021-03-29 2021-07-13 国网江西省电力有限公司供电服务管理中心 一种改进增益有限脉冲响应滤波的电网信号频率检测方法
GB2602683B (en) 2021-05-06 2023-03-08 Nordic Semiconductor Asa Radio receiver synchronization
EP4087176A3 (en) 2021-05-06 2022-12-21 Nordic Semiconductor ASA Radio receiver synchronization
EP4277218A1 (en) * 2022-05-11 2023-11-15 Nokia Solutions and Networks Oy Frequency offset estimation and reduction
GB202211122D0 (en) 2022-07-29 2022-09-14 Nordic Semiconductor Asa Demodulation
CN117192488B (zh) * 2023-09-01 2024-03-19 扬州宇安电子科技有限公司 一种基于fpga的初始信号处理系统及方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4490722A (en) * 1982-04-20 1984-12-25 Teledyne Industries, Inc. Radio navigation system
JPS60247355A (ja) * 1984-05-22 1985-12-07 Matsushita Electric Ind Co Ltd 受信装置
JPH0832507A (ja) * 1994-07-15 1996-02-02 N T T Ido Tsushinmo Kk 移動無線機
JP2011501550A (ja) * 2007-10-19 2011-01-06 トウマズ テクノロジー リミテッド 自動周波数補正方法および装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5239585A (en) * 1991-07-30 1993-08-24 Texas Instruments Incorporated Devices, systems, and methods for composite signal decoding
SE519682C2 (sv) * 1998-05-26 2003-04-01 Nera Asa Digital demodulator i ett flerkanalssystem
CA2407722A1 (en) * 2000-04-25 2001-11-01 Interdigital Technology Corporation Blind carrier offset detection for quadrature modulated digital communication systems
US6560303B1 (en) * 2000-10-26 2003-05-06 Comsat Corporation Joint frame, carrier and clock synchronization scheme
FR2894098B1 (fr) * 2005-11-25 2008-01-11 Thales Sa Procede et dispositif permettant le suivi de doppler pour modem a large bande
CN102316058B (zh) * 2011-03-18 2014-04-09 中国科学院上海微系统与信息技术研究所 非静止轨道卫星dqpsk通信的相干解调装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4490722A (en) * 1982-04-20 1984-12-25 Teledyne Industries, Inc. Radio navigation system
JPS60247355A (ja) * 1984-05-22 1985-12-07 Matsushita Electric Ind Co Ltd 受信装置
JPH0832507A (ja) * 1994-07-15 1996-02-02 N T T Ido Tsushinmo Kk 移動無線機
JP2011501550A (ja) * 2007-10-19 2011-01-06 トウマズ テクノロジー リミテッド 自動周波数補正方法および装置

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
HEINRICH MEYR, DIGITAL COMMUNICATION RECEIVERS, JPN5016004837, 1998, pages 445 - 504, ISSN: 0003950505 *
TIBENDERANA C, CONFERENCE RECORD OF THE 38TH ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS AND COMPUTERS, 2004, vol. V1, JPN5016004836, 7 November 2004 (2004-11-07), US, pages 682 - 686, ISSN: 0003950504 *

Also Published As

Publication number Publication date
TWI650983B (zh) 2019-02-11
TW201440462A (zh) 2014-10-16
GB2512935A (en) 2014-10-15
US20160072652A1 (en) 2016-03-10
US9729366B2 (en) 2017-08-08
EP2984802B1 (en) 2017-12-27
CN105684373B (zh) 2020-04-14
EP2984802A2 (en) 2016-02-17
WO2014167318A3 (en) 2014-12-04
GB201306694D0 (en) 2013-05-29
CN105684373A (zh) 2016-06-15
WO2014167318A2 (en) 2014-10-16
KR20150143645A (ko) 2015-12-23

Similar Documents

Publication Publication Date Title
JP2016522604A (ja) デジタル無線伝送処理
US10855494B2 (en) Transmitter and receiver and corresponding methods
US10785074B1 (en) Cross-product detection method for a narrowband signal under a wide range of carrier frequency offset (CFO) using multiple frequency bins
US11070246B2 (en) Digital radio communication
US11804947B2 (en) Radio receiver synchronization
US8514987B2 (en) Compensation for data deviation caused by frequency offset using timing correlation value
US12439355B2 (en) Radio receiver synchronization
JP4760329B2 (ja) 同期ワード検出装置、同期ワード検出方法、プログラム及び記録媒体
US9059835B1 (en) Method and apparatus for demodulating a wireless signal
CN111064685A (zh) 一种载波同步方法、装置及设备
JP3973332B2 (ja) ディジタル変復調の同期方式
US20170288810A1 (en) Timing-error detection for continuous-phase modulated signals
US8275073B2 (en) Methods and systems to discriminate between PSK and FSK signals
CN119652483B (zh) 一种短波2fsk信号符号同步系统及方法
WO2017091946A1 (zh) 一种信号处理系统、方法及装置
CN113169944B (zh) 使用多频段的宽范围的载波频率偏移(cfo)下的窄带信号的交叉积检测方法
JP4972588B2 (ja) 無線受信機、そのフレーム同期検出装置
CN111541636B (zh) 一种采用维纳滤波进行信号解调的方法及装置
JP2011023969A (ja) 周波数補正装置及びその制御方法
JP2013090157A (ja) 復調支援装置および復調装置
HK40051418B (en) Cross-product detection method for a narrowband signal under a wide range of carrier frequency offset (cfo) using multiple frequency bins
HK40051418A (en) Cross-product detection method for a narrowband signal under a wide range of carrier frequency offset (cfo) using multiple frequency bins
WO2010082242A1 (ja) 無線復調回路
JP2009010463A (ja) 信号処理部及び無線機

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20170407

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20170407

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20180219

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20180313

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20180613

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20180810

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20190108