PT94149A - Processo para obtencao de uma indicacao rapida da intensidade de sinais de comunicacao radiotelefonica - Google Patents

Processo para obtencao de uma indicacao rapida da intensidade de sinais de comunicacao radiotelefonica

Info

Publication number
PT94149A
PT94149A PT94149A PT9414990A PT94149A PT 94149 A PT94149 A PT 94149A PT 94149 A PT94149 A PT 94149A PT 9414990 A PT9414990 A PT 9414990A PT 94149 A PT94149 A PT 94149A
Authority
PT
Portugal
Prior art keywords
intensity
obtaining
communication signals
quick indication
radiotelephonic communication
Prior art date
Application number
PT94149A
Other languages
English (en)
Other versions
PT94149B (pt
Inventor
Gerald Paul Labedz
Duane C Rabe
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 PT94149A publication Critical patent/PT94149A/pt
Publication of PT94149B publication Critical patent/PT94149B/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Glass Compositions (AREA)
  • Golf Clubs (AREA)
  • Load-Bearing And Curtain Walls (AREA)
  • Circuits Of Receivers In General (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
PT94149A 1989-05-26 1990-05-24 Processo para obtencao de uma indicacao rapida da intensidade de sinais de comunicacao radiotelefonica PT94149B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US35832589A 1989-05-26 1989-05-26

Publications (2)

Publication Number Publication Date
PT94149A true PT94149A (pt) 1992-02-28
PT94149B PT94149B (pt) 1996-12-31

Family

ID=23409223

Family Applications (1)

Application Number Title Priority Date Filing Date
PT94149A PT94149B (pt) 1989-05-26 1990-05-24 Processo para obtencao de uma indicacao rapida da intensidade de sinais de comunicacao radiotelefonica

Country Status (15)

Country Link
US (1) US5740530A (pt)
EP (1) EP0399845B1 (pt)
JP (1) JP2789388B2 (pt)
KR (1) KR960009925B1 (pt)
CN (1) CN1018690B (pt)
AR (1) AR247636A1 (pt)
AT (1) ATE132676T1 (pt)
AU (1) AU635742B2 (pt)
CA (1) CA2053313C (pt)
DE (1) DE69024533T2 (pt)
HK (1) HK1000980A1 (pt)
MX (1) MX174520B (pt)
PT (1) PT94149B (pt)
TR (1) TR25382A (pt)
WO (1) WO1990014730A1 (pt)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR890700492A (ko) * 1987-04-29 1989-04-25 윌리엄 큐밍 팁핑 및 리프팅 장치
JPH01191462A (ja) * 1988-01-27 1989-08-01 Toshiba Corp 半導体装置
US5257401A (en) * 1989-04-17 1993-10-26 Telefonaktiebolaget L M Ericsson Method of maintaining an established connection in a mobile radio system comprising both analog and digital radio channels
JP2988742B2 (ja) * 1991-05-20 1999-12-13 株式会社東芝 無線通信装置の電界強度検出回路
US5261119A (en) * 1991-06-21 1993-11-09 Motorola, Inc. Signal level measuring system for a radio receiver
US5918184A (en) * 1992-09-21 1999-06-29 Lucent Technologies Inc. Method and apparatus for detecting a supervisory audio tone
US6097957A (en) * 1997-11-14 2000-08-01 Motorola, Inc. Radiotelephone service planning system and method for determining a best server for a communication connection
US6157820A (en) * 1998-06-12 2000-12-05 Ericsson Inc. Pilot strength measurement and multipath delay searcher for CDMA receiver
JP4478340B2 (ja) * 2000-01-24 2010-06-09 株式会社日立国際電気 受信機
US20040047284A1 (en) * 2002-03-13 2004-03-11 Eidson Donald Brian Transmit diversity framing structure for multipath channels
KR100459715B1 (ko) * 2002-08-09 2004-12-03 삼성전자주식회사 고속의 디지털 RSSI(Received Signal Strength Indicator) 회로
US7139546B1 (en) 2003-04-29 2006-11-21 Ami Semiconductor, Inc. Up-conversion of a down-converted baseband signal in a direct conversion architecture without the baseband signal passing through active elements
US7113760B1 (en) 2003-04-29 2006-09-26 Ami Semiconductor, Inc. Direct conversion receiver for amplitude modulated signals using linear/log filtering
US7197091B1 (en) 2003-05-06 2007-03-27 Ami Semiconductor, Inc. Direct conversion receiver with direct current offset correction circuitry
US7006809B2 (en) * 2003-05-06 2006-02-28 Ami Semiconductor, Inc. Adaptive diversity receiver architecture
GB2423449B (en) * 2005-02-21 2009-10-07 British Broadcasting Corp Signal meter for digital systems
KR100896205B1 (ko) * 2006-02-20 2009-05-12 삼성전자주식회사 다중 홉 릴레이 방식을 사용하는 광대역 무선 접속 통신시스템에서 단말에게 투명성 있는 릴레이 서비스를제공하기 위한 중계국의 단말-중계국 간 채널 상태 보고장치 및 방법
EP2259084A1 (de) 2009-06-03 2010-12-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Funkeinrichtung zur Detektion einer Bewegung
EP2470925B8 (de) * 2009-09-07 2014-03-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Funkeinrichtung zur Detektion einer Bewegung

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766477A (en) * 1971-12-20 1973-10-16 Sperry Rand Corp Spread spectrum, linear fm communications system
US3815028A (en) * 1972-08-09 1974-06-04 Itt Maximum-likelihood detection system
JPS56109023A (en) * 1980-01-31 1981-08-29 Nec Corp Channel selection system
DE3686421T2 (de) * 1986-04-03 1993-01-28 Motorola Inc Ukw-empfaenger mit rauschunterdrueckung beim empfang von signalen mit "raleigh"-ueberblendung.
US4718081A (en) * 1986-11-13 1988-01-05 General Electric Company Method and apparatus for reducing handoff errors in a cellular radio telephone communications system
SE457399B (sv) * 1987-04-23 1988-12-19 Ericsson Telefon Ab L M Anordning i en koherrent mobiltelefonmottagare foer reducering av bitfel
US5115514A (en) * 1987-08-03 1992-05-19 Orion Industries, Inc. Measuring and controlling signal feedback between the transmit and receive antennas of a communications booster
US4829543A (en) * 1987-12-04 1989-05-09 Motorola, Inc. Phase-coherent TDMA quadrature receiver for multipath fading channels
US4881028A (en) * 1988-06-13 1989-11-14 Bright James A Fault detector
US4918437A (en) * 1988-10-13 1990-04-17 Motorola, Inc. High data rate simulcast communication system

Also Published As

Publication number Publication date
CA2053313C (en) 1994-12-06
WO1990014730A1 (en) 1990-11-29
MX174520B (es) 1994-05-23
DE69024533D1 (de) 1996-02-15
DE69024533T2 (de) 1996-08-01
KR920702136A (ko) 1992-08-12
KR960009925B1 (ko) 1996-07-24
TR25382A (tr) 1993-03-01
AR247636A1 (es) 1995-01-31
CN1047594A (zh) 1990-12-05
AU635742B2 (en) 1993-04-01
JPH04505527A (ja) 1992-09-24
US5740530A (en) 1998-04-14
AU5643090A (en) 1990-12-18
ATE132676T1 (de) 1996-01-15
PT94149B (pt) 1996-12-31
JP2789388B2 (ja) 1998-08-20
EP0399845A3 (en) 1992-08-05
EP0399845A2 (en) 1990-11-28
HK1000980A1 (en) 1998-05-15
CN1018690B (zh) 1992-10-14
EP0399845B1 (en) 1996-01-03

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Legal Events

Date Code Title Description
BB1A Laying open of patent application

Effective date: 19911118

FG3A Patent granted, date of granting

Effective date: 19960923

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 20040331