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 PDFInfo
- 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
- Authority
- CN
- China
- Prior art keywords
- channel
- signal
- power level
- circuit
- group
- 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
Links
Images
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)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Transmitters (AREA)
- Transceivers (AREA)
- Circuits Of Receivers In General (AREA)
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 (ru) |
CN (1) | CN1035588C (ru) |
CA (1) | CA2112809A1 (ru) |
DE (2) | DE4392213T1 (ru) |
FR (1) | FR2691027B1 (ru) |
GB (1) | GB2274750B (ru) |
HU (1) | HUT69370A (ru) |
IT (1) | IT1261466B (ru) |
RU (1) | RU2123771C1 (ru) |
SE (1) | SE9400018L (ru) |
WO (1) | WO1993023963A1 (ru) |
Families Citing this family (14)
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 |
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 |
DE19882318T1 (de) * | 1997-04-14 | 2000-04-13 | Northern Telecom Ltd | Verfahren und System zur Vermeidung einer Kommunikationsstörung in CDMA-Systemen |
US6233247B1 (en) | 1998-03-12 | 2001-05-15 | Nortel Networks 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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2087369A5 (ru) * | 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 (ru) * | 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 |
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 |
-
1993
- 1993-04-19 HU HU9400043A patent/HUT69370A/hu unknown
- 1993-04-19 WO PCT/US1993/003692 patent/WO1993023963A1/en active Application Filing
- 1993-04-19 DE DE4392213T patent/DE4392213T1/de active Pending
- 1993-04-19 GB GB9326218A patent/GB2274750B/en not_active Expired - Lifetime
- 1993-04-19 JP JP52023493A patent/JP3196211B2/ja not_active Expired - Lifetime
- 1993-04-19 CA CA002112809A patent/CA2112809A1/en not_active Abandoned
- 1993-04-19 DE DE4392213A patent/DE4392213C2/de not_active Expired - Fee Related
- 1993-04-19 RU RU94014617A patent/RU2123771C1/ru active
- 1993-05-03 IT ITRM930277A patent/IT1261466B/it active IP Right Grant
- 1993-05-07 FR FR9305496A patent/FR2691027B1/fr not_active Expired - Lifetime
- 1993-05-07 CN CN93105681A patent/CN1035588C/zh not_active Expired - Lifetime
-
1994
- 1994-01-04 SE SE9400018A patent/SE9400018L/xx not_active Application Discontinuation
Patent Citations (1)
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 |
---|---|
RU2123771C1 (ru) | 1998-12-20 |
FR2691027B1 (fr) | 1995-08-11 |
ITRM930277A0 (it) | 1993-05-03 |
SE9400018D0 (sv) | 1994-01-04 |
CN1082786A (zh) | 1994-02-23 |
DE4392213T1 (de) | 1994-06-09 |
FR2691027A1 (fr) | 1993-11-12 |
HU9400043D0 (en) | 1994-05-30 |
SE9400018L (sv) | 1994-03-07 |
CA2112809A1 (en) | 1993-11-25 |
JPH06508973A (ja) | 1994-10-06 |
IT1261466B (it) | 1996-05-23 |
GB9326218D0 (en) | 1994-04-20 |
GB2274750B (en) | 1996-06-12 |
GB2274750A (en) | 1994-08-03 |
DE4392213C2 (de) | 1999-04-29 |
ITRM930277A1 (it) | 1994-11-03 |
HUT69370A (en) | 1995-09-28 |
JP3196211B2 (ja) | 2001-08-06 |
WO1993023963A1 (en) | 1993-11-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
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 | ||
TR01 | Transfer of patent right |
Effective date of registration: 20101230 Address after: Illinois Instrunment Patentee after: Motorola Mobility LLC Address before: Illinois Patentee before: Motorola Inc. |
|
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |
Expiration termination date: 20130507 Granted publication date: 19970806 |