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
Links
- 230000005540 biological transmission Effects 0.000 title 1
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
- H04B1/715—Interference-related aspects
-
- 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
- H04B1/69—Spread spectrum techniques
- H04B1/713—Spread spectrum techniques using frequency hopping
- H04B1/7143—Arrangements for generation of hop patterns
-
- 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
- H04B1/715—Interference-related aspects
- H04B2001/7154—Interference-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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7142582B2 (en) | 1993-02-17 | 2006-11-28 | Interdigital Technology Corporation | Receiving and selectively transmitting frequency hopped data signals using a plurality of antennas |
US5459759A (en) | 1993-02-17 | 1995-10-17 | Interdigital Technology Corporation | Frequency hopping code division multiple access system and method |
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 |
WO1999066652A1 (de) * | 1998-06-18 | 1999-12-23 | Siemens Aktiengesellschaft | Verfahren und vorrichtung zur übertragung von informationen in verschiedenen trägerfrequenzen mittels einem frequenzsprungverfahren |
WO1999066651A1 (de) * | 1998-06-18 | 1999-12-23 | Siemens Aktiengesellschaft | Verfahren und vorrichtung zur übertragung von informationen in verschiedenen trägerfrequenzen |
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)
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 |
-
1980
- 1980-10-13 FR FR8021858A patent/FR2640448B1/fr not_active Expired - Lifetime
-
1981
- 1981-08-18 GB GB8125241A patent/GB2228163B/en not_active Expired - Lifetime
- 1981-10-08 IT IT8124390A patent/IT1224086B/it active
- 1981-10-08 NL NL8104607A patent/NL8104607A/nl not_active Application Discontinuation
- 1981-10-12 DE DE3140402A patent/DE3140402C1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
NL8104607A (nl) | 1990-07-02 |
IT8124390A0 (it) | 1981-10-08 |
GB2228163A (en) | 1990-08-15 |
FR2640448A1 (fr) | 1990-06-15 |
GB2228163B (en) | 1990-10-31 |
FR2640448B1 (fr) | 1992-01-03 |
DE3140402C1 (en) | 1990-09-13 |
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