IT1224086B - Sistema di trasmissione di informazioni, formato da reti sfruttanti per salti di frequenza un insieme di canali. - Google Patents

Sistema di trasmissione di informazioni, formato da reti sfruttanti per salti di frequenza un insieme di canali.

Info

Publication number
IT1224086B
IT1224086B IT8124390A IT2439081A IT1224086B IT 1224086 B IT1224086 B IT 1224086B IT 8124390 A IT8124390 A IT 8124390A IT 2439081 A IT2439081 A IT 2439081A IT 1224086 B IT1224086 B IT 1224086B
Authority
IT
Italy
Prior art keywords
exploitation
networks
channels
transmission system
information transmission
Prior art date
Application number
IT8124390A
Other languages
English (en)
Other versions
IT8124390A0 (it
Inventor
Pierre Joseph Alexis Roger
Original Assignee
Trt Telecom Radio Electr
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 Trt Telecom Radio Electr filed Critical Trt Telecom Radio Electr
Publication of IT8124390A0 publication Critical patent/IT8124390A0/it
Application granted granted Critical
Publication of IT1224086B publication Critical patent/IT1224086B/it

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/713Spread spectrum techniques using frequency hopping
    • H04B1/715Interference-related aspects
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/713Spread spectrum techniques using frequency hopping
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/713Spread spectrum techniques using frequency hopping
    • H04B1/7143Arrangements for generation of hop patterns
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/713Spread spectrum techniques using frequency hopping
    • H04B1/715Interference-related aspects
    • H04B2001/7154Interference-related aspects with means for preventing interference

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
IT8124390A 1980-10-13 1981-10-08 Sistema di trasmissione di informazioni, formato da reti sfruttanti per salti di frequenza un insieme di canali. IT1224086B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8021858A FR2640448B1 (fr) 1980-10-13 1980-10-13 Systeme de transmission d'informations forme de reseaux exploitant par sauts de frequence un ensemble de canaux

Publications (2)

Publication Number Publication Date
IT8124390A0 IT8124390A0 (it) 1981-10-08
IT1224086B true IT1224086B (it) 1990-09-26

Family

ID=9246813

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8124390A IT1224086B (it) 1980-10-13 1981-10-08 Sistema di trasmissione di informazioni, formato da reti sfruttanti per salti di frequenza un insieme di canali.

Country Status (5)

Country Link
DE (1) DE3140402C1 (it)
FR (1) FR2640448B1 (it)
GB (1) GB2228163B (it)
IT (1) IT1224086B (it)
NL (1) NL8104607A (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5459759A (en) 1993-02-17 1995-10-17 Interdigital Technology Corporation Frequency hopping code division multiple access system and method
US7142582B2 (en) 1993-02-17 2006-11-28 Interdigital Technology Corporation Receiving and selectively transmitting frequency hopped data signals using a plurality of antennas
FR2739740B1 (fr) * 1995-10-06 1997-12-26 Cofira Etudes Et Gestion Procede de saut de frequence interbande dans un systeme de radiocommunication cellulaire avec des stations mobiles, et station correspondante
WO1999066651A1 (de) * 1998-06-18 1999-12-23 Siemens Aktiengesellschaft Verfahren und vorrichtung zur übertragung von informationen in verschiedenen trägerfrequenzen
WO1999066652A1 (de) * 1998-06-18 1999-12-23 Siemens Aktiengesellschaft Verfahren und vorrichtung zur übertragung von informationen in verschiedenen trägerfrequenzen mittels einem frequenzsprungverfahren
US7027424B1 (en) 2000-05-24 2006-04-11 Vtech Communications, Ltd. Method for avoiding interference in a digital communication system
GB0100093D0 (en) 2001-01-03 2001-02-14 Vtech Communications Ltd Adaptive frequency hopping strategy
US7693488B2 (en) 2004-09-30 2010-04-06 Vtech Telecommunications Limited System and method for asymmetric enhanced mode operation in a digital communication system
JP2022185211A (ja) 2021-06-02 2022-12-14 Smc株式会社 パターン生成装置、パターン生成方法、及び、無線通信システム

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4066964A (en) * 1967-01-06 1978-01-03 Rockwell International Corporation Communication system
DE1954754C3 (de) * 1969-10-30 1975-08-07 Siemens Ag, 1000 Berlin Und 8000 Muenchen Mit Verschlüsselung der zu übertragenden Nachrichtensignale arbeitendes Funktelefoniesystem
US4222115A (en) * 1978-03-13 1980-09-09 Purdue Research Foundation Spread spectrum apparatus for cellular mobile communication systems

Also Published As

Publication number Publication date
NL8104607A (nl) 1990-07-02
DE3140402C1 (en) 1990-09-13
FR2640448A1 (fr) 1990-06-15
IT8124390A0 (it) 1981-10-08
GB2228163A (en) 1990-08-15
GB2228163B (en) 1990-10-31
FR2640448B1 (fr) 1992-01-03

Similar Documents

Publication Publication Date Title
ES507421A0 (es) Una disposicion de red de comunicaciones de datos en serie, junto con un metodo correspondiente.
FR2527871B1 (fr) Systeme de radiocommunications, a sauts de frequence
FI863298A0 (fi) Foerfarande foer framstaellning av 2-oxo-1,3-dioxolaner.
NO154617C (no) Celleinndelt, mobilt radiotelefonkommunikasjonssystem.
FI870068A0 (fi) Foerfarande foer framstaellning av 2-oxo-1,3-dioxolaner.
IT8447881A1 (it) Sistema di trasmissione radio stereofonico a modulazione di frequenza.
ES506493A0 (es) Un dispositivo de alarma por telefono, con su metodo correspondiente para transmitir automaticamente mensajes a traves de sistemas de comunicacion telefonica.
DE3484672D1 (de) Mobilfunk-uebertragungssystem.
IT8026932A0 (it) Apparecchiatura di comunicazione di informazione di controllo per un impianto di commutazione a divisione di tempo.
FI851065L (fi) Anlaeggning foer att tillverka en traematerialplatta av en traematerialmatta genom pressning och aonghaerdning speciellt foer att tillverka spaonskivor, fiberplattor o.dyl.
FI844476A0 (fi) System foer raekning, lagring och avlaesning av antalet visningar av en videokassett.
DE3481614D1 (de) Substituierte trans-1,2-diaminocyclohexylamid-verbindungen.
DE3585806D1 (de) Nachrichtenkommunikationssystem.
FI841261A (fi) Krotonesterhaltiga kopolymerisat, foerfaranden foer deras framstaellning och deras anvaendning som foertjockningsmedel i vattenhaltiga system och som klisteraemne.
NO155416C (no) Aktivt deteksjonssystem som anvender samtidige multitransmisjoner.
DK0864237T4 (da) Fremgangsmåde til transmission af data, især GSM-data
IT8120309A0 (it) Mezzo per collegare due pezzi di un mobile, disposti perpendicolarmente tra di loro.
FI840795A (fi) Foerfarande foer att foera en vaetskestroem genom en bandpressenhet och bandpressenhet, i vilken foerfarandet anvaendes.
DE3578593D1 (de) Funkuebertragungssystem.
IT8123483A0 (it) Apparecchiatura per trasmettere un segnale digitale.
IT1224086B (it) Sistema di trasmissione di informazioni, formato da reti sfruttanti per salti di frequenza un insieme di canali.
ES521307A0 (es) Un metodo de fabricar un articulo alargado, particularmente un cable.
FI843143A0 (fi) Antigener och monoklonala antikroppar, som aer aktiva mot merozoiter av eimeria-arten.
IT8024293A0 (it) Sistema digitale di radiotrasmissione per trasmettere una pluralita' di segnali di informazione per mezzo di una retedi trasmettitori le cui portanti presentano sostanzialmente la stessa frequenza.
IT8322839A0 (it) Sistema di trasmissione a rapporto variabile, utile particolarmente per veicoli.