CN1035588C - 无线电接收机选择调谐的电路 - Google Patents

无线电接收机选择调谐的电路 Download PDF

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Publication number
CN1035588C
CN1035588C CN93105681A CN93105681A CN1035588C CN 1035588 C CN1035588 C CN 1035588C CN 93105681 A CN93105681 A CN 93105681A CN 93105681 A CN93105681 A CN 93105681A CN 1035588 C CN1035588 C CN 1035588C
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CN
China
Prior art keywords
channels
power level
circuit
channel
signal
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.)
Expired - Lifetime
Application number
CN93105681A
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English (en)
Chinese (zh)
Other versions
CN1082786A (zh
Inventor
克里斯托弗·F·布斯安
帕特里克·J·玛丽
杜安·C·拉伯
查尔斯·P·宾泽尔
阿文德·S·阿罗拉
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 Mobility LLC
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of CN1082786A publication Critical patent/CN1082786A/zh
Application granted granted Critical
Publication of CN1035588C publication Critical patent/CN1035588C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

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  • 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)
CN93105681A 1992-05-08 1993-05-07 无线电接收机选择调谐的电路 Expired - Lifetime CN1035588C (zh)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
CN1082786A CN1082786A (zh) 1994-02-23
CN1035588C true CN1035588C (zh) 1997-08-06

Family

ID=25377146

Family Applications (1)

Application Number Title Priority Date Filing Date
CN93105681A Expired - Lifetime CN1035588C (zh) 1992-05-08 1993-05-07 无线电接收机选择调谐的电路

Country Status (11)

Country Link
JP (1) JP3196211B2 (sv)
CN (1) CN1035588C (sv)
CA (1) CA2112809A1 (sv)
DE (2) DE4392213C2 (sv)
FR (1) FR2691027B1 (sv)
GB (1) GB2274750B (sv)
HU (1) HUT69370A (sv)
IT (1) IT1261466B (sv)
RU (1) RU2123771C1 (sv)
SE (1) SE9400018L (sv)
WO (1) WO1993023963A1 (sv)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1104024A (zh) * 1993-04-21 1995-06-21 莫托罗拉公司 无线电接收机再调谐的方法和电路
FR2726139A1 (fr) * 1994-10-19 1996-04-26 Philips Electronics Nv Recepteur de radio a recherche automatique des stations
EP0714217B1 (en) * 1994-11-22 2005-07-27 Ntt Mobile Communications Network Inc. Method for searching a control channel in a mobile 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
AU6969598A (en) * 1997-04-14 1998-11-11 Northern Telecom Limited Method and system for avoiding communication failure in cdma systems
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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4903320A (en) * 1987-03-20 1990-02-20 Fujitsu Limited Apparatus for selecting control channel in mobile communication system

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2087369A5 (sv) * 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 (sv) * 1986-04-30 1989-07-31 Zellweger Uster Ag
US4905301A (en) * 1988-07-28 1990-02-27 Motorola, Inc. Selective system scan for multizone radiotelephone subscriber units
FI83715C (sv) * 1989-09-25 1991-08-12 Nokia Mobile Phones Ltd Logikstyrd intrimning och kompensation av signalnivåer och deviationer i en radiotelefon
FI83717C (sv) * 1989-09-25 1991-08-12 Nokia Mobile Phones Ltd Förfarande för intrimning och kompensation av effektnivåer i en radiot elefon
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4903320A (en) * 1987-03-20 1990-02-20 Fujitsu Limited Apparatus for selecting control channel in mobile communication system

Also Published As

Publication number Publication date
GB9326218D0 (en) 1994-04-20
HU9400043D0 (en) 1994-05-30
WO1993023963A1 (en) 1993-11-25
SE9400018D0 (sv) 1994-01-04
SE9400018L (sv) 1994-03-07
GB2274750A (en) 1994-08-03
GB2274750B (en) 1996-06-12
FR2691027A1 (fr) 1993-11-12
ITRM930277A1 (it) 1994-11-03
JP3196211B2 (ja) 2001-08-06
RU2123771C1 (ru) 1998-12-20
ITRM930277A0 (it) 1993-05-03
HUT69370A (en) 1995-09-28
CA2112809A1 (en) 1993-11-25
DE4392213T1 (de) 1994-06-09
IT1261466B (it) 1996-05-23
JPH06508973A (ja) 1994-10-06
DE4392213C2 (de) 1999-04-29
CN1082786A (zh) 1994-02-23
FR2691027B1 (fr) 1995-08-11

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C06 Publication
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Owner name: MOTOROLA MOBILE CO., LTD.

Free format text: FORMER OWNER: MOTOROLA INC.

Effective date: 20101230

C41 Transfer of patent application or patent right or utility model
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Address after: Illinois Instrunment

Patentee after: Motorola Mobility LLC

Address before: Illinois

Patentee before: Motorola Inc.

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CX01 Expiry of patent term

Expiration termination date: 20130507

Granted publication date: 19970806