SG11201506536SA - Digital auto frequency control for a general purpose if subsystem with multi-modulation schemes - Google Patents

Digital auto frequency control for a general purpose if subsystem with multi-modulation schemes

Info

Publication number
SG11201506536SA
SG11201506536SA SG11201506536SA SG11201506536SA SG11201506536SA SG 11201506536S A SG11201506536S A SG 11201506536SA SG 11201506536S A SG11201506536S A SG 11201506536SA SG 11201506536S A SG11201506536S A SG 11201506536SA SG 11201506536S A SG11201506536S A SG 11201506536SA
Authority
SG
Singapore
Prior art keywords
subsystem
general purpose
frequency control
modulation schemes
digital auto
Prior art date
Application number
SG11201506536SA
Inventor
Xi Chen
Original Assignee
Agency Science Tech & Res
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 Agency Science Tech & Res filed Critical Agency Science Tech & Res
Priority to SG11201506536SA priority Critical patent/SG11201506536SA/en
Publication of SG11201506536SA publication Critical patent/SG11201506536SA/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • 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
    • H04B17/318—Received signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • 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
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2657—Carrier 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
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/0028—Correction of carrier offset at passband 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
    • H04L2027/0055—Closed loops single 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
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0063—Elements of loops
    • H04L2027/0069—Loop 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
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0071—Control of loops
    • H04L2027/0073—Detection of synchronisation state

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Circuits Of Receivers In General (AREA)
SG11201506536SA 2013-02-22 2014-02-24 Digital auto frequency control for a general purpose if subsystem with multi-modulation schemes SG11201506536SA (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SG11201506536SA SG11201506536SA (en) 2013-02-22 2014-02-24 Digital auto frequency control for a general purpose if subsystem with multi-modulation schemes

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SG2013013511 2013-02-22
PCT/SG2014/000079 WO2014129978A1 (en) 2013-02-22 2014-02-24 Digital auto frequency control for a general purpose if subsystem with multi-modulation schemes
SG11201506536SA SG11201506536SA (en) 2013-02-22 2014-02-24 Digital auto frequency control for a general purpose if subsystem with multi-modulation schemes

Publications (1)

Publication Number Publication Date
SG11201506536SA true SG11201506536SA (en) 2015-09-29

Family

ID=51391633

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201506536SA SG11201506536SA (en) 2013-02-22 2014-02-24 Digital auto frequency control for a general purpose if subsystem with multi-modulation schemes

Country Status (3)

Country Link
US (1) US10045343B2 (en)
SG (1) SG11201506536SA (en)
WO (1) WO2014129978A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014129978A1 (en) 2013-02-22 2014-08-28 Agency For Science, Technology And Research Digital auto frequency control for a general purpose if subsystem with multi-modulation schemes
US9391592B2 (en) 2014-12-05 2016-07-12 Motorola Solutions, Inc. Methods and systems for dynamically adjusting frequency offsets for mitigating interference
CN105207268B (en) * 2015-11-05 2017-10-24 贵州电网有限责任公司电力调度控制中心 A kind of generating set Automatic Generation Control function puts into state method for on-line optimization
TWI627836B (en) * 2017-02-24 2018-06-21 晨星半導體股份有限公司 Carrier frequency offset tracking circuit and method
CN110401611B (en) * 2019-06-29 2021-12-07 西南电子技术研究所（中国电子科技集团公司第十研究所） Method for rapidly detecting CPFSK signal
US11240078B1 (en) * 2020-04-21 2022-02-01 Hrl Laboratories, Llc Frequency shift keying modulator, transmitter and link

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5678223A (en) * 1995-03-07 1997-10-14 Motorola, Inc. Method and apparatus for an automatic frequency control receiver
JP3125644B2 (en) * 1995-09-13 2001-01-22 松下電器産業株式会社 Demodulator
US8421776B2 (en) * 1996-08-12 2013-04-16 Elo Touch Solutions, Inc. Acoustic condition sensor employing a plurality of mutually non-orthogonal waves
US7110473B2 (en) * 1998-12-11 2006-09-19 Freescale Semiconductor, Inc. Mode controller for signal acquisition and tracking in an ultra wideband communication system
US6606487B2 (en) * 2001-09-28 2003-08-12 Interdigital Technology Corporation Automatic frequency correction method and apparatus for time division duplex modes of 3G wireless communications
US7593692B2 (en) * 2003-09-15 2009-09-22 Broadcom Corporation Radar detection circuit for a WLAN transceiver
GB2453767A (en) * 2007-10-19 2009-04-22 Toumaz Technology Ltd Automatic frequency correction in a frequency shift keying recevier
WO2014129978A1 (en) 2013-02-22 2014-08-28 Agency For Science, Technology And Research Digital auto frequency control for a general purpose if subsystem with multi-modulation schemes

Also Published As

Publication number Publication date
US20160021662A1 (en) 2016-01-21
US10045343B2 (en) 2018-08-07
WO2014129978A1 (en) 2014-08-28

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