SE470594B - Kommunikationssystem - Google Patents

Kommunikationssystem

Info

Publication number
SE470594B
SE470594B SE8501860A SE8501860A SE470594B SE 470594 B SE470594 B SE 470594B SE 8501860 A SE8501860 A SE 8501860A SE 8501860 A SE8501860 A SE 8501860A SE 470594 B SE470594 B SE 470594B
Authority
SE
Sweden
Prior art keywords
transmitter
channel frequencies
radio
receiver
group
Prior art date
Application number
SE8501860A
Other languages
English (en)
Swedish (sv)
Other versions
SE8501860L (sv
SE8501860D0 (sv
Inventor
Peter Jacques Munday
Nicholas Roger Massey
David Harmer
James Michael Jeffries
Original Assignee
Racal Res Ltd
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 Racal Res Ltd filed Critical Racal Res Ltd
Publication of SE8501860D0 publication Critical patent/SE8501860D0/xx
Publication of SE8501860L publication Critical patent/SE8501860L/xx
Publication of SE470594B publication Critical patent/SE470594B/sv

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
    • 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
    • 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)
  • Radio Relay Systems (AREA)
SE8501860A 1984-05-12 1985-04-16 Kommunikationssystem SE470594B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8412189A GB2277231B (en) 1984-05-12 1984-05-12 Communications system

Publications (3)

Publication Number Publication Date
SE8501860D0 SE8501860D0 (sv) 1985-04-16
SE8501860L SE8501860L (sv) 1996-09-14
SE470594B true SE470594B (sv) 1997-12-15

Family

ID=10560874

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8501860A SE470594B (sv) 1984-05-12 1985-04-16 Kommunikationssystem

Country Status (6)

Country Link
US (1) US5377221A (ja)
DE (1) DE3515858C1 (ja)
FR (1) FR2707062B1 (ja)
GB (1) GB2277231B (ja)
IT (1) IT8520601A0 (ja)
SE (1) SE470594B (ja)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5668828A (en) * 1992-05-08 1997-09-16 Sanconix, Inc. Enhanced frequency agile radio
FI940705A (fi) * 1993-09-14 1995-03-15 Nokia Telecommunications Oy Menetelmä tukiaseman radiokanavien valvomiseksi
US5896412A (en) * 1994-07-22 1999-04-20 Crossbow, Ltd. Wireless communication system
DE69427404T2 (de) * 1994-10-26 2001-11-08 Ibm Zuordnungsverfahren und Vorrichtung zur Wiederverwendung von Netzressourcen in einem drahtlosen Kommunikationssystem
KR0155818B1 (ko) * 1995-04-29 1998-11-16 김광호 다중 반송파 전송시스템에서 적응형 전력 분배 방법 및 장치
FI98108C (fi) * 1995-05-17 1997-04-10 Nokia Mobile Phones Ltd Menetelmä yhteyden laadun arvioimiseksi ja vastaanotin
JP3599486B2 (ja) * 1995-07-31 2004-12-08 キヤノン株式会社 無線制御装置、無線通信システム及び無線制御装置の制御方法
FI107668B (fi) * 1996-12-19 2001-09-14 Nokia Networks Oy Menetelmä yhteydenmyöntämiskontrolliin interferenssirajoitteisessa solukkoradioverkossa
US6118805A (en) * 1998-01-30 2000-09-12 Motorola, Inc. Method and apparatus for performing frequency hopping adaptation
EP0955780A1 (de) * 1998-04-17 1999-11-10 Alcatel Drahtloses Telekommunikationssystem, Basisstation und mobiles Teilnehmerendgerät, die Funksignale entsprechend einer Frequenzsprungfolge austauschen
GB9918250D0 (en) * 1999-08-04 1999-10-06 Koninkl Philips Electronics Nv Generating a cyclic sequence of frequencies
KR20020063299A (ko) * 2000-01-08 2002-08-01 어웨어, 인크. 동적 주파수-호핑 시스템
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
US7027418B2 (en) 2001-01-25 2006-04-11 Bandspeed, Inc. Approach for selecting communications channels based on performance
US7054346B2 (en) * 2001-05-07 2006-05-30 Lucent Technologies Inc. Enhanced frequency hopping in a wireless system
GB2406479B (en) * 2003-03-10 2007-10-17 Toshiba Res Europ Ltd Communications systems & methods
DE10322735B3 (de) 2003-05-20 2004-12-16 Infineon Technologies Ag Qualifizierung und Selektion der Frequenzkanäle bei einem adaptiven Frequenzsprungverfahren mittels Feldstärkenmessung
US7693488B2 (en) 2004-09-30 2010-04-06 Vtech Telecommunications Limited System and method for asymmetric enhanced mode operation in a digital communication system
GB2463277B (en) * 2008-09-05 2010-09-08 Sony Comp Entertainment Europe Wireless communication system
US8849213B2 (en) 2009-01-21 2014-09-30 Bandspeed, Inc. Integrated circuit for signal analysis
US8447252B2 (en) 2009-01-21 2013-05-21 Bandspeed, Inc. Adaptive channel scanning for detection and classification of RF signals
FR3053189A1 (fr) * 2016-06-22 2017-12-29 Orange Emission/reception de donnees par sauts d'ecarts en frequence, perfectionnees
US9793949B1 (en) * 2016-10-07 2017-10-17 Trellisware Technologies, Inc. Methods and systems for secure and efficient flexible frequency hopping access

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4383323A (en) * 1980-06-09 1983-05-10 Bell Telephone Laboratories, Incorporated Spread spectrum FH-MFSK transmitter and receiver
IE53125B1 (en) * 1981-06-19 1988-07-06 Marconi Co Ltd Radio communications apparatus
FR2518338A1 (fr) * 1981-12-15 1983-06-17 Thomson Csf Procede de synchronisation des postes emetteurs-recepteurs d'un reseau a sauts de frequence et poste destine a la mise en oeuvre de ce procede
US4479226A (en) * 1982-03-29 1984-10-23 At&T Bell Laboratories Frequency-hopped single sideband mobile radio system
FR2527871B1 (fr) * 1982-05-27 1986-04-11 Thomson Csf Systeme de radiocommunications, a sauts de frequence
US4494238A (en) * 1982-06-30 1985-01-15 Motorola, Inc. Multiple channel data link system
DE3415032C2 (de) * 1983-04-27 1985-06-20 Siemens AG, 1000 Berlin und 8000 München Verfahren zur störresistenten Funkübertragung
JPS6027234A (ja) * 1983-07-22 1985-02-12 Nec Corp 受信機
JPS61274531A (ja) * 1985-05-30 1986-12-04 Nec Corp チヤネル選択方式

Also Published As

Publication number Publication date
FR2707062B1 (ja) 1995-12-22
GB2277231A (en) 1994-10-19
IT8520601A0 (it) 1985-05-07
GB2277231B (en) 1995-03-15
US5377221A (en) 1994-12-27
SE8501860L (sv) 1996-09-14
SE8501860D0 (sv) 1985-04-16
DE3515858C1 (de) 1994-11-24
GB8412189D0 (en) 1994-06-22
FR2707062A1 (ja) 1994-12-30

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Legal Events

Date Code Title Description
NUG Patent has lapsed