USB561764I5 - - Google Patents

Info

Publication number
USB561764I5
USB561764I5 US56176475A USB561764I5 US B561764 I5 USB561764 I5 US B561764I5 US 56176475 A US56176475 A US 56176475A US B561764 I5 USB561764 I5 US B561764I5
Authority
US
United States
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
Other languages
English (en)
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 filed Critical
Priority to US05/561,764 priority Critical patent/US3984634A/en
Publication of USB561764I5 publication Critical patent/USB561764I5/en
Application granted granted Critical
Publication of US3984634A publication Critical patent/US3984634A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
US05/561,764 1973-11-02 1975-03-25 Anti-multipath digital signal detector Expired - Lifetime US3984634A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US05/561,764 US3984634A (en) 1973-11-02 1975-03-25 Anti-multipath digital signal detector

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US41237973A 1973-11-02 1973-11-02
US05/561,764 US3984634A (en) 1973-11-02 1975-03-25 Anti-multipath digital signal detector

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US41237973A Continuation 1973-11-02 1973-11-02

Publications (2)

Publication Number Publication Date
USB561764I5 true USB561764I5 (enrdf_load_stackoverflow) 1976-01-27
US3984634A US3984634A (en) 1976-10-05

Family

ID=27021761

Family Applications (1)

Application Number Title Priority Date Filing Date
US05/561,764 Expired - Lifetime US3984634A (en) 1973-11-02 1975-03-25 Anti-multipath digital signal detector

Country Status (1)

Country Link
US (1) US3984634A (enrdf_load_stackoverflow)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5224410A (en) * 1975-08-20 1977-02-23 Fujitsu Ltd Carrier wave regenerative circuit
US4577157A (en) * 1983-12-12 1986-03-18 International Telephone And Telegraph Corporation Zero IF receiver AM/FM/PM demodulator using sampling techniques
US5005189A (en) * 1989-01-23 1991-04-02 Hackett Jr Charles M Detection of digital signals received from multipath channels
US5062123A (en) * 1989-08-16 1991-10-29 Cincinnati Electronics Corporation Kalman predictor for providing a relatively noise free indication of the phase of a carrier laden with noise
US5369445A (en) * 1992-06-12 1994-11-29 Samsung Electronics Co., Ltd. Noise reducing apparatus and methods for television receivers
CN1082301C (zh) * 1994-09-10 2002-04-03 三星电子株式会社 数字无线电收发机
US5940445A (en) * 1996-05-31 1999-08-17 Motorola, Inc. Method and apparatus for providing transmit diversity in a wireless communication system
KR100199015B1 (ko) * 1996-11-25 1999-06-15 정선종 확장형 칼만 필터를 사용한 fm 복조장치
CA2362357A1 (en) * 1998-11-09 2000-05-18 Xinde Li System and method for processing low signal-to-noise ratio signals

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3378847A (en) * 1966-06-13 1968-04-16 Lear Siegler Inc Combination sky wave and direct wave communications
US3396369A (en) * 1965-01-18 1968-08-06 Sangamo Electric Co Quaternary decision logic system
US3490040A (en) * 1966-10-21 1970-01-13 Cotton Silk & Man Made Fibres Linear broad range moisture content measuring instrument
US3551816A (en) * 1969-03-10 1970-12-29 T O Paine Digital synchronizer
US3614626A (en) * 1966-01-25 1971-10-19 George M Dillard Radar detector system
US3736507A (en) * 1971-08-19 1973-05-29 Communications Satellite Co Phase ambiguity resolution for four phase psk communications systems

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3396369A (en) * 1965-01-18 1968-08-06 Sangamo Electric Co Quaternary decision logic system
US3614626A (en) * 1966-01-25 1971-10-19 George M Dillard Radar detector system
US3378847A (en) * 1966-06-13 1968-04-16 Lear Siegler Inc Combination sky wave and direct wave communications
US3490040A (en) * 1966-10-21 1970-01-13 Cotton Silk & Man Made Fibres Linear broad range moisture content measuring instrument
US3551816A (en) * 1969-03-10 1970-12-29 T O Paine Digital synchronizer
US3736507A (en) * 1971-08-19 1973-05-29 Communications Satellite Co Phase ambiguity resolution for four phase psk communications systems

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
Belman et al.: FSK Digital Demodulator with Majority Decision Filtering, IBM Technical Disclosure Bulletin, Vol. 13, No. 4, Sept. 1970, pp. 1042-1043 *
Chadwick et al.: The Design of a Low Data Rate MSFK Communication System, IEEE Transactions on Communication Technology, Vol. COM-18, No. 6, Dec. 1970, pp. 740-750 *
Gooding: Performance Monitor Techniques for Digital Receivers Based on Extrapolation of Error Rate, IEEE Transactions on Communication Technology, Vol. COM-16, No. 3, June 1968, pp. 380-387 *
Murray: FM Parallel Tone Transmission system, IBM Technical Disclosure Bulletin, Vol. 14, No. 12, May 1972, pp. 3631-3632 *

Also Published As

Publication number Publication date
US3984634A (en) 1976-10-05

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