SE9504555D0 - Förfarande och anordning för identifiering av signalkanal - Google Patents

Förfarande och anordning för identifiering av signalkanal

Info

Publication number
SE9504555D0
SE9504555D0 SE9504555A SE9504555A SE9504555D0 SE 9504555 D0 SE9504555 D0 SE 9504555D0 SE 9504555 A SE9504555 A SE 9504555A SE 9504555 A SE9504555 A SE 9504555A SE 9504555 D0 SE9504555 D0 SE 9504555D0
Authority
SE
Sweden
Prior art keywords
communication mode
mode
signal channel
channel identification
channel
Prior art date
Application number
SE9504555A
Other languages
English (en)
Other versions
SE9504555L (sv
Inventor
Minh Hoang Duong
Donald Arthur Dorsey
Robert Michael Johnson
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 SE9504555D0 publication Critical patent/SE9504555D0/sv
Publication of SE9504555L publication Critical patent/SE9504555L/sv

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03JTUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/0008Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03JTUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00Continuous tuning
    • H03J3/02Details
    • H03J3/06Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges
    • H03J3/08Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges by varying a second parameter simultaneously with the tuning, e.g. coupling bandpass filter

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Superheterodyne Receivers (AREA)
  • Circuits Of Receivers In General (AREA)
  • Transceivers (AREA)
  • Mobile Radio Communication Systems (AREA)
SE9504555A 1994-05-02 1995-12-20 Förfarande och anordning för identifiering av signalkanal SE9504555L (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/236,736 US5511235A (en) 1994-05-02 1994-05-02 Apparatus for detecting a signaling channel during scanning including a controlled frequency converter circuit and a controlled filter bandwidth, and a method therefor
PCT/US1995/002291 WO1995030283A1 (en) 1994-05-02 1995-02-23 Method and apparatus for identifying signaling channel

Publications (2)

Publication Number Publication Date
SE9504555D0 true SE9504555D0 (sv) 1995-12-20
SE9504555L SE9504555L (sv) 1996-03-04

Family

ID=22890735

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9504555A SE9504555L (sv) 1994-05-02 1995-12-20 Förfarande och anordning för identifiering av signalkanal

Country Status (10)

Country Link
US (1) US5511235A (sv)
CN (1) CN1043708C (sv)
AU (1) AU1929995A (sv)
CA (1) CA2164522C (sv)
ES (1) ES2115514B1 (sv)
FR (1) FR2719437B1 (sv)
GB (1) GB2294602B (sv)
MX (1) MX9600060A (sv)
SE (1) SE9504555L (sv)
WO (1) WO1995030283A1 (sv)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI951918A (sv) * 1995-04-21 1996-10-22 Nokia Mobile Phones Ltd Sändar-mottagaranordning och förfarande för alstring och behandling av en komplex I/Q-signal
GB9525110D0 (en) * 1995-12-08 1996-02-07 Northern Telecom Ltd An antenna assembly
US5949832A (en) * 1996-03-26 1999-09-07 Sicom, Inc. Digital receiver with tunable analog filter and method therefor
US6061575A (en) * 1996-11-06 2000-05-09 Ericsson Inc. Frequency synthesizer circuit for mobile stations
US5943613A (en) * 1996-11-07 1999-08-24 Telefonaktiebolaget Lm Ericsson Method and apparatus for reducing standby current in communications equipment
US5960364A (en) * 1996-11-08 1999-09-28 Ericsson Inc. Satellite/cellular phone using different channel spacings on forward and return links
US5848108A (en) * 1996-11-29 1998-12-08 Northern Telecom Limited Selective filtering for co-channel interference reduction
US5995564A (en) * 1996-12-20 1999-11-30 Lucent Technologies Inc. Apparatus for detecting when a dynamic signal is stable
JP3413060B2 (ja) * 1997-05-13 2003-06-03 松下電器産業株式会社 直接変換受信機
US6134282A (en) * 1997-06-18 2000-10-17 Lsi Logic Corporation Method for lowpass filter calibration in a satellite receiver
US6078812A (en) * 1997-12-15 2000-06-20 Ericsson Inc. System and method for adaptive channel allocation
US6714608B1 (en) * 1998-01-27 2004-03-30 Broadcom Corporation Multi-mode variable rate digital satellite receiver
US6721298B1 (en) * 1998-03-16 2004-04-13 Lucent Technologies Inc. Technique for effectively utilizing bandwidth of a cable network for wireless communications
US6229991B1 (en) 1998-10-13 2001-05-08 Motorola, Inc. Method of and apparatus for automatic frequency control range extension
US6205334B1 (en) 1998-11-24 2001-03-20 Ericsson Inc. Accelerated scanning of cellular channels by cellular radiotelephones
FI112741B (sv) * 1998-11-26 2003-12-31 Nokia Corp Förfarande och anordning för att sända och mottaga RF-signaler vid olika radiogränssnitt av dataöverföringssystem
EP1053594B1 (en) 1998-12-08 2006-03-01 Koninklijke Philips Electronics N.V. Tunable receiver
US6480709B2 (en) * 2001-01-19 2002-11-12 Motorola, Inc. Method for reducing scan time in a radio receiver
GB0117578D0 (en) 2001-07-19 2001-09-12 Zarlink Semiconductor Ltd Tuner
US6741844B2 (en) * 2001-11-27 2004-05-25 Motorola, Inc. Receiver for audio enhancement and method therefor
JP3832643B2 (ja) * 2002-01-10 2006-10-11 シャープ株式会社 高周波受信装置
JP3465707B1 (ja) * 2002-05-27 2003-11-10 日本電気株式会社 キャリアセンス多重接続方式の受信機とその干渉抑圧方法
JP4159964B2 (ja) * 2003-10-07 2008-10-01 アルパイン株式会社 オーディオ放送受信装置及び自動選局方法
US7899488B2 (en) * 2006-07-31 2011-03-01 Motorola Mobility, Inc. Method and apparatus for extending network discovery range
US7689217B2 (en) * 2007-03-30 2010-03-30 Motorola, Inc. Radio receiver having a multi-state variable threshold automatic gain control (AGC) for fast channel scanning acquisition and mehtod for using same
US8055211B2 (en) * 2007-12-31 2011-11-08 Motorola Mobility, Inc. Method and system for utilizing transmit local oscillator for improved cell search and multi-link communication in multi-mode device
CN101465656A (zh) * 2008-09-05 2009-06-24 华为技术有限公司 一种变频的装置、方法和系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4352208A (en) * 1980-03-04 1982-09-28 Motorola, Inc. Automatic IF selectivity for radio receiver system
CA1190289A (en) * 1981-04-28 1985-07-09 Nippon Hoso Kyokai Fm signal demodulation system
US4703520A (en) * 1986-10-31 1987-10-27 Motorola, Inc. Radio transceiver having an adaptive reference oscillator
KR910008738B1 (ko) * 1987-02-20 1991-10-19 닛본 덴기 가부시기가이샤 밧데리 절약 채널 스캔 기능을 갖고 있는 휴대용 무선 송수신기
JPS63314028A (ja) * 1987-06-17 1988-12-22 Matsushita Electric Ind Co Ltd 短波放送受信機の中間周波帯域自動切換装置
GB2229874B (en) * 1989-02-04 1992-09-16 Plessey Co Plc Improvements relating to communication systems
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
FI91821C (sv) * 1991-02-22 1994-08-10 Nokia Mobile Phones Ltd Koppling för automatisk frekvensreglering i en radiotelefon
US5175729A (en) * 1991-06-05 1992-12-29 Motorola, Inc. Radio with fast lock phase-locked loop

Also Published As

Publication number Publication date
ES2115514B1 (es) 1999-02-16
GB2294602B (en) 1999-05-19
SE9504555L (sv) 1996-03-04
CA2164522C (en) 2000-06-27
FR2719437A1 (fr) 1995-11-03
GB9526296D0 (en) 1996-02-21
WO1995030283A1 (en) 1995-11-09
ES2115514A1 (es) 1998-06-16
GB2294602A (en) 1996-05-01
CN1128092A (zh) 1996-07-31
US5511235A (en) 1996-04-23
AU1929995A (en) 1995-11-29
MX9600060A (es) 1998-11-30
CA2164522A1 (en) 1995-11-09
CN1043708C (zh) 1999-06-16
FR2719437B1 (fr) 1999-05-14

Similar Documents

Publication Publication Date Title
SE9504555D0 (sv) Förfarande och anordning för identifiering av signalkanal
SE9302934D0 (sv) Radio receiver
FI915220A (sv) Förfarande för alstring av frekvenser för två på olika frekvensområden fungerande digitala radiotelefoner
BR8807465A (pt) Dispositivo para filtragem de um sinal de recepca de ondas ultracurtas fm
HUP0000424A2 (hu) Eljárás és berendezés adaptív csatornakiosztáshoz időosztott,több vivőjeles kommunikációs rendszerben
SE0002029L (sv) Anordning och metod för kanalinterferensdämpning
DE69428514T2 (de) Erweitertes mikrocomputersystem für reduktion der funkfrequenzinterferenz
SE9002624L (sv) Abonnentenhet foer traadloest, digitalt abonnentkommunikationssystem
TW353245B (en) Saw filter for a tuner of a digital satellite receiver
EP0792017A3 (en) High-frequency radio signal receiving apparatus for digital communication
TW377530B (en) Radio communication apparatus having common oscillator applied for PLL, conversion and scramble/descramble circuits
DE69937637D1 (de) Verfahren zur Verringerung der Interferenz zwischen Mobiltelefonen die unterschiedliche Duplextechnik benutzen
SE9703944D0 (sv) Arrangement and method relating to radio communications
SE9602740L (sv) Förfarande och system för avstämning av åtminstone en avstämbar resonansmodul i en radiobasstation
TW359924B (en) Homodyne cellular base station
FI940706A0 (sv) Förfarande för att synkronisera en mottagare till frekvensen och fasen på en mottagen signal
KR930017357A (ko) 두개의 송수화기 무선 전화기 시스템용 오프세트 하강 전환장치
NO923101D0 (no) Basestasjon for et radiosystem
DK0514470T3 (da) Flerfrekvensscanning i et kommunikationssystem med selektive opkald
KR970056176A (ko) 시분할 전이중 스프레드 스펙트럼 통신방식의 송수신장치
AR023764A1 (es) Metodo de rechazar un canal de control durante un proceso de registro.
CA1280203C (en) Receiver circuit for r.f. modem
JPH05290192A (ja) 無線式識別装置
KR900008165Y1 (ko) Rf 모듈레이터
MX9801326A (es) Metodo y aparato para transmitir señales de radiofrecuencia.

Legal Events

Date Code Title Description
NAV Patent application has lapsed