IT7828480A0 - Sistema di comunicazioni elettriche nel quale viene adottato un metodo di salto di frequenza. - Google Patents

Sistema di comunicazioni elettriche nel quale viene adottato un metodo di salto di frequenza.

Info

Publication number
IT7828480A0
IT7828480A0 IT7828480A IT2848078A IT7828480A0 IT 7828480 A0 IT7828480 A0 IT 7828480A0 IT 7828480 A IT7828480 A IT 7828480A IT 2848078 A IT2848078 A IT 2848078A IT 7828480 A0 IT7828480 A0 IT 7828480A0
Authority
IT
Italy
Prior art keywords
adopted
communications system
frequency hopping
hopping method
electrical communications
Prior art date
Application number
IT7828480A
Other languages
English (en)
Other versions
IT1236492B (it
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of IT7828480A0 publication Critical patent/IT7828480A0/it
Application granted granted Critical
Publication of IT1236492B publication Critical patent/IT1236492B/it

Links

Classifications

    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • 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
    • H04B1/66—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 for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/662—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 for reducing bandwidth of signals; for improving efficiency of transmission using a time/frequency relationship, e.g. time compression or expansion
    • 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
    • H04B1/74—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 for increasing reliability, e.g. using redundant or spare channels or apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
IT7828480A 1977-10-24 1978-10-05 Sistema di comunicazioni elettriche nel quale viene adottato un metodo di salto di frequenza IT1236492B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2747454A DE2747454C1 (de) 1977-10-24 1977-10-24 Nachrichtenuebertragungssystem mit Frequenzsprungverfahren

Publications (2)

Publication Number Publication Date
IT7828480A0 true IT7828480A0 (it) 1978-10-05
IT1236492B IT1236492B (it) 1993-03-11

Family

ID=6022007

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7828480A IT1236492B (it) 1977-10-24 1978-10-05 Sistema di comunicazioni elettriche nel quale viene adottato un metodo di salto di frequenza

Country Status (3)

Country Link
DE (1) DE2747454C1 (it)
FR (1) FR2682840A1 (it)
IT (1) IT1236492B (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116390245A (zh) * 2017-08-08 2023-07-04 苹果公司 用于复用跟踪参考信号和同步信号块的系统和方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5640415A (en) * 1994-06-10 1997-06-17 Vlsi Technology, Inc. Bit error performance of a frequency hopping, radio communication system
DE19847665A1 (de) * 1998-10-15 2000-05-04 Europtel Communication Systems Sendeempfänger für Datensignale, System zur Übertragung von Datensignalen, und Vorrichtung für den Einbau in einen Sendeempfänger

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1069199B (de) * 1957-04-08 1959-11-19 International Standard Electric Corporation, New York, N. Y. (V. St. A.) Mehrkanall - Nachrichtenübertragungssystem
DE1954754C3 (de) * 1969-10-30 1975-08-07 Siemens Ag, 1000 Berlin Und 8000 Muenchen Mit Verschlüsselung der zu übertragenden Nachrichtensignale arbeitendes Funktelefoniesystem
JPS4982202A (it) * 1972-12-12 1974-08-08
DE2542846C3 (de) * 1975-09-25 1978-05-03 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren zur Datenübertragung zwischen zwei Stationen im Duplex- oder Halbduplexbetrieb mit automatischer Fehlerkorrektur durch Rückfrage und Wiederholung der gestört empfangenen Zeichen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116390245A (zh) * 2017-08-08 2023-07-04 苹果公司 用于复用跟踪参考信号和同步信号块的系统和方法

Also Published As

Publication number Publication date
IT1236492B (it) 1993-03-11
FR2682840A1 (fr) 1993-04-23
DE2747454C1 (de) 1992-09-24

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