CA1310426C - Detecteur de sequence d'etablissement de liaison 2400 bits/seconde a autocorrelation - Google Patents

Detecteur de sequence d'etablissement de liaison 2400 bits/seconde a autocorrelation

Info

Publication number
CA1310426C
CA1310426C CA000616104A CA616104A CA1310426C CA 1310426 C CA1310426 C CA 1310426C CA 000616104 A CA000616104 A CA 000616104A CA 616104 A CA616104 A CA 616104A CA 1310426 C CA1310426 C CA 1310426C
Authority
CA
Canada
Prior art keywords
signal
predetermined
sequence
providing
detector
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.)
Expired - Fee Related
Application number
CA000616104A
Other languages
English (en)
Inventor
Taruna Tjahjadi
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.)
Hayes Microcomputer Products Inc
Original Assignee
Hayes Microcomputer Products Inc
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
Priority claimed from US06/885,927 external-priority patent/US4808937A/en
Application filed by Hayes Microcomputer Products Inc filed Critical Hayes Microcomputer Products Inc
Application granted granted Critical
Publication of CA1310426C publication Critical patent/CA1310426C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
CA000616104A 1986-07-15 1991-06-28 Detecteur de sequence d'etablissement de liaison 2400 bits/seconde a autocorrelation Expired - Fee Related CA1310426C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/885,927 US4808937A (en) 1986-07-15 1986-07-15 Phase-locked loop for a modem
US885,927 1986-07-15
CA000541519A CA1297196C (fr) 1986-07-15 1987-07-07 Modem a processeur de signaux numeriques ameliore

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA000541519A Division CA1297196C (fr) 1986-07-15 1987-07-07 Modem a processeur de signaux numeriques ameliore

Publications (1)

Publication Number Publication Date
CA1310426C true CA1310426C (fr) 1992-11-17

Family

ID=25671408

Family Applications (2)

Application Number Title Priority Date Filing Date
CA000616104A Expired - Fee Related CA1310426C (fr) 1986-07-15 1991-06-28 Detecteur de sequence d'etablissement de liaison 2400 bits/seconde a autocorrelation
CA000616105A Expired - Fee Related CA1311281C (fr) 1986-07-15 1991-06-28 Modem a processeur de signaux numeriques ameliore

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA000616105A Expired - Fee Related CA1311281C (fr) 1986-07-15 1991-06-28 Modem a processeur de signaux numeriques ameliore

Country Status (1)

Country Link
CA (2) CA1310426C (fr)

Also Published As

Publication number Publication date
CA1311281C (fr) 1992-12-08

Similar Documents

Publication Publication Date Title
US5040194A (en) Method and apparatus for providing for automatic gain control of incoming signals in a modem
US4808937A (en) Phase-locked loop for a modem
US4884285A (en) (DS) transmitter
EP0089343B1 (fr) Modem a frequence vocale a modulation par deplacement de frequences utilisant des filtres numeriques
Jager et al. Tamed frequency modulation, a novel method to achieve spectrum economy in digital transmission
US5040192A (en) Method and apparatus for optimally autocorrelating an FSK signal
EP0538448A1 (fr) Supertrames.
US10153928B2 (en) Energy efficient highway addressable remote transducer coherent 8-ary phase shift keying modem
US5793821A (en) Timing Recovery using group delay compensation
US5933452A (en) Timing interpolator in digital demodulator
JPH0774793A (ja) データ受信方法とその装置
KR100360400B1 (ko) 비대칭 디지탈 가입자 회선 모뎀의 이산적 멀티톤 프로세서
US4868864A (en) Autocorrelating 2400 bps handshake sequence detector
US5404379A (en) Timing recovery method and system
US4849703A (en) Method and apparatus for generating a data sampling clock locked to a baud clock contained in a data signal
US4731800A (en) Raised-cosine filtering for modems
KR100542091B1 (ko) 무반송파 진폭 위상(cap) 신호용 부호 타이밍 복구 네트워크
EP0080332A2 (fr) Appareil et procédé de correction d'erreur d'horloge pour des récepteurs de signaux modulés en quadrature
US5974088A (en) Digital data slicer
US4910474A (en) Method and apparatus for generating phase and amplitude modulated signals
CA1310426C (fr) Detecteur de sequence d'etablissement de liaison 2400 bits/seconde a autocorrelation
AU607881B2 (en) Correlation detecting circuit operable in a low frequency
CA1265202A (fr) Extraction simplifiee de signaux de donnees portes par des porteuses en quadrature
CA2285073A1 (fr) Systeme et methode pour conferer une forme spectrale a des signaux de donnees transmis
US4789995A (en) Synchronous timer anti-alias filter and gain stage

Legal Events

Date Code Title Description
MKLA Lapsed