CA2112809A1 - Methode et circuit de syntonisation pour recepteur radio - Google Patents

Methode et circuit de syntonisation pour recepteur radio

Info

Publication number
CA2112809A1
CA2112809A1 CA002112809A CA2112809A CA2112809A1 CA 2112809 A1 CA2112809 A1 CA 2112809A1 CA 002112809 A CA002112809 A CA 002112809A CA 2112809 A CA2112809 A CA 2112809A CA 2112809 A1 CA2112809 A1 CA 2112809A1
Authority
CA
Canada
Prior art keywords
frequency channels
frequency
radio receiver
circuit
tuning
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.)
Abandoned
Application number
CA002112809A
Other languages
English (en)
Inventor
Christopher F. Bussan
Patrick J. Marry
Duane C. Rabe
Charles P. Binzel
Arvind S. Arora
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.)
Motorola Solutions Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2112809A1 publication Critical patent/CA2112809A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
    • H03J1/0091—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor provided with means for scanning over a band of frequencies
    • 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transceivers (AREA)
  • Circuits Of Receivers In General (AREA)
  • Transmitters (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
CA002112809A 1992-05-08 1993-04-19 Methode et circuit de syntonisation pour recepteur radio Abandoned CA2112809A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US88080892A 1992-05-08 1992-05-08
US880,808 1992-05-08

Publications (1)

Publication Number Publication Date
CA2112809A1 true CA2112809A1 (fr) 1993-11-25

Family

ID=25377146

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002112809A Abandoned CA2112809A1 (fr) 1992-05-08 1993-04-19 Methode et circuit de syntonisation pour recepteur radio

Country Status (11)

Country Link
JP (1) JP3196211B2 (fr)
CN (1) CN1035588C (fr)
CA (1) CA2112809A1 (fr)
DE (2) DE4392213T1 (fr)
FR (1) FR2691027B1 (fr)
GB (1) GB2274750B (fr)
HU (1) HUT69370A (fr)
IT (1) IT1261466B (fr)
RU (1) RU2123771C1 (fr)
SE (1) SE9400018L (fr)
WO (1) WO1993023963A1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2135917A1 (fr) * 1993-04-21 1994-10-27 Christopher Frank Bussan Methode et circuit de resynthonisation de recepteurs radio
FR2726139A1 (fr) * 1994-10-19 1996-04-26 Philips Electronics Nv Recepteur de radio a recherche automatique des stations
DE69534333T2 (de) * 1994-11-22 2006-05-24 Ntt Mobile Communications Network Inc. Steuerkanal-Suchverfahren in einer mobilen Station
US5940746A (en) * 1995-12-29 1999-08-17 Motorola, Inc. Channel scanning apparatus and method
JP3271504B2 (ja) * 1996-02-02 2002-04-02 三菱電機株式会社 周波数推定回路およびそれを用いたａｆｃ回路
GB2320991A (en) * 1996-12-20 1998-07-08 Dsc Telecom Lp Channel selection control in a cellular radio communications system
US6233247B1 (en) 1998-03-12 2001-05-15 Nortel Networks Limited Method and system for avoiding communication failure in CDMA systems
DE19882318T1 (de) * 1997-04-14 2000-04-13 Northern Telecom Ltd Verfahren und System zur Vermeidung einer Kommunikationsstörung in CDMA-Systemen
US6396867B1 (en) 1997-04-25 2002-05-28 Qualcomm Incorporated Method and apparatus for forward link power control
GB2332823A (en) * 1997-12-29 1999-06-30 Samsung Electronics Co Ltd Sequential selection of control channels for call attempt
GB9925234D0 (en) * 1999-10-25 1999-12-22 Simoco Int Ltd Mobile radio communications systems
KR100374568B1 (ko) * 2001-01-17 2003-03-03 삼성전자주식회사 이동단말 파워오프 제어방법
ATE342641T1 (de) * 2003-05-28 2006-11-15 Ericsson Telefon Ab L M Planung der zellsuche in einem drahtlosen zellularen kommunikationsnetz
JP4551814B2 (ja) * 2005-05-16 2010-09-29 Ｏｋｉセミコンダクタ株式会社 無線通信装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2087369A5 (fr) * 1970-05-15 1971-12-31 Cit Alcatel
DE2402562C3 (de) * 1974-01-19 1978-07-13 Te Ka De Felten & Guilleaume Fernmeldeanlagen Gmbh, 8500 Nuernberg Verfahren zur automatischen Suche modulierter Funkkanäle
GB2057267B (en) * 1979-08-29 1983-05-18 Allcock J A Sensory isolation tank
FR2584884B1 (fr) * 1985-07-09 1987-10-09 Trt Telecom Radio Electr Procede et dispositif de recherche de canal libre pour un systeme de radio mobile
CH671124A5 (fr) * 1986-04-30 1989-07-31 Zellweger Uster Ag
CA1282837C (fr) * 1987-03-20 1991-04-09 Tetsuya Hanawa Dispositif pour choisir le canal de controle dans un systeme de communication mobile
US4905301A (en) * 1988-07-28 1990-02-27 Motorola, Inc. Selective system scan for multizone radiotelephone subscriber units
FI83717C (fi) * 1989-09-25 1991-08-12 Nokia Mobile Phones Ltd Foerfarande foer intrimning och kompensation av effektnivaoer i en radiotelefon.
FI83715C (fi) * 1989-09-25 1991-08-12 Nokia Mobile Phones Ltd Logikstyrd intrimning och kompensation av signalnivaoer och deviationer i en radiotelefon.
JP2867538B2 (ja) * 1990-01-30 1999-03-08 日本電気株式会社 チャンネル選択方式
US5119502A (en) * 1990-08-30 1992-06-02 Telefonaktiebolaget L M Ericsson Periodic system ordered rescan in a cellular communication system
JP2927055B2 (ja) * 1991-07-12 1999-07-28 日本電気株式会社 制御チャンネル捕捉方法とその回路
US5203012A (en) * 1992-02-10 1993-04-13 Motorola, Inc. Method and apparatus for optimum channel assignment

Also Published As

Publication number Publication date
IT1261466B (it) 1996-05-23
DE4392213T1 (de) 1994-06-09
DE4392213C2 (de) 1999-04-29
GB2274750A (en) 1994-08-03
FR2691027B1 (fr) 1995-08-11
GB2274750B (en) 1996-06-12
ITRM930277A0 (it) 1993-05-03
RU2123771C1 (ru) 1998-12-20
CN1035588C (zh) 1997-08-06
SE9400018L (sv) 1994-03-07
CN1082786A (zh) 1994-02-23
HU9400043D0 (en) 1994-05-30
JPH06508973A (ja) 1994-10-06
SE9400018D0 (sv) 1994-01-04
ITRM930277A1 (it) 1994-11-03
FR2691027A1 (fr) 1993-11-12
GB9326218D0 (en) 1994-04-20
JP3196211B2 (ja) 2001-08-06
HUT69370A (en) 1995-09-28
WO1993023963A1 (fr) 1993-11-25

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued
FZDE Discontinued

Effective date: 20000419