BR9002502A - Metodos de deteccao de erros,de selecao de antena utilizando deteccao de erros,de sistema estavel utilizando deteccao de erros,de deteccao de taxa de erros de bit,de selecao de antena utilizando a deteccao de taxa de erros de bit e seletor de antena utilizando deteccao de taxa erros de bit - Google Patents

Metodos de deteccao de erros,de selecao de antena utilizando deteccao de erros,de sistema estavel utilizando deteccao de erros,de deteccao de taxa de erros de bit,de selecao de antena utilizando a deteccao de taxa de erros de bit e seletor de antena utilizando deteccao de taxa erros de bit

Info

Publication number
BR9002502A
BR9002502A BR909002502A BR9002502A BR9002502A BR 9002502 A BR9002502 A BR 9002502A BR 909002502 A BR909002502 A BR 909002502A BR 9002502 A BR9002502 A BR 9002502A BR 9002502 A BR9002502 A BR 9002502A
Authority
BR
Brazil
Prior art keywords
error
detection
antenna selection
rate detection
bit
Prior art date
Application number
BR909002502A
Other languages
English (en)
Inventor
Thomas A Freeburg
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 BR9002502A publication Critical patent/BR9002502A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Communication Control (AREA)
BR909002502A 1989-05-30 1990-05-28 Metodos de deteccao de erros,de selecao de antena utilizando deteccao de erros,de sistema estavel utilizando deteccao de erros,de deteccao de taxa de erros de bit,de selecao de antena utilizando a deteccao de taxa de erros de bit e seletor de antena utilizando deteccao de taxa erros de bit BR9002502A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/358,773 US5036515A (en) 1989-05-30 1989-05-30 Bit error rate detection

Publications (1)

Publication Number Publication Date
BR9002502A true BR9002502A (pt) 1991-08-13

Family

ID=23410984

Family Applications (1)

Application Number Title Priority Date Filing Date
BR909002502A BR9002502A (pt) 1989-05-30 1990-05-28 Metodos de deteccao de erros,de selecao de antena utilizando deteccao de erros,de sistema estavel utilizando deteccao de erros,de deteccao de taxa de erros de bit,de selecao de antena utilizando a deteccao de taxa de erros de bit e seletor de antena utilizando deteccao de taxa erros de bit

Country Status (18)

Country Link
US (1) US5036515A (pt)
EP (1) EP0400983B1 (pt)
JP (1) JPH04506731A (pt)
KR (1) KR950006702B1 (pt)
AT (1) ATE156953T1 (pt)
AU (1) AU5543690A (pt)
BR (1) BR9002502A (pt)
CA (1) CA2055450C (pt)
CS (1) CS268090A3 (pt)
DD (1) DD294829A5 (pt)
DE (1) DE69031247T2 (pt)
DK (1) DK0400983T3 (pt)
ES (1) ES2104584T3 (pt)
GR (1) GR3024456T3 (pt)
HU (1) HU210890B (pt)
IL (1) IL94334A0 (pt)
MX (1) MX163437B (pt)
WO (1) WO1990015487A1 (pt)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX174068B (es) * 1989-11-29 1994-04-19 Motorola Inc Metodo y aparato para la deteccion de errores en sistemas de radiotelefonia celular
US5247579A (en) * 1990-12-05 1993-09-21 Digital Voice Systems, Inc. Methods for speech transmission
US5359607A (en) * 1991-11-13 1994-10-25 Motorola, Inc. Adaptive intermodulation control
EP0567763A1 (de) * 1992-04-27 1993-11-03 Siemens Aktiengesellschaft Verfahren und Anordnung zur Regeneration eines Ternärsignals
US5517511A (en) * 1992-11-30 1996-05-14 Digital Voice Systems, Inc. Digital transmission of acoustic signals over a noisy communication channel
US5561673A (en) * 1993-04-16 1996-10-01 Matsushita Electric Industrial Co., Ltd. Antenna switched diversity reciever
US5530926A (en) * 1993-10-04 1996-06-25 Motorola, Inc. Method for operating a switched diversity RF receiver
US5467341A (en) * 1994-04-14 1995-11-14 Toshiba America Information Systems, Inc. Apparatus and method for alerting computer users in a wireless LAN of a service area transition
US5621737A (en) * 1994-07-18 1997-04-15 Motorola, Inc. Communication system with link margin control and method
JPH08154062A (ja) * 1994-11-28 1996-06-11 Nec Corp 信号品質を用いた帯域切り換え受信方式
AU696092B2 (en) * 1995-01-12 1998-09-03 Digital Voice Systems, Inc. Estimation of excitation parameters
US5701390A (en) * 1995-02-22 1997-12-23 Digital Voice Systems, Inc. Synthesis of MBE-based coded speech using regenerated phase information
US5754974A (en) * 1995-02-22 1998-05-19 Digital Voice Systems, Inc Spectral magnitude representation for multi-band excitation speech coders
US5546411A (en) * 1995-02-28 1996-08-13 Motorola, Inc. Method and apparatus for adaptively selecting a communication strategy in a selective call radio communication system
US6131084A (en) * 1997-03-14 2000-10-10 Digital Voice Systems, Inc. Dual subframe quantization of spectral magnitudes
US6161089A (en) * 1997-03-14 2000-12-12 Digital Voice Systems, Inc. Multi-subframe quantization of spectral parameters
US6199037B1 (en) 1997-12-04 2001-03-06 Digital Voice Systems, Inc. Joint quantization of speech subframe voicing metrics and fundamental frequencies
US6104512A (en) * 1998-01-23 2000-08-15 Motorola, Inc. Method for adjusting the power level of an infrared signal
US6115416A (en) * 1998-11-13 2000-09-05 Vladimir Katzman Pulse code sequence analyzer
US6377916B1 (en) 1999-11-29 2002-04-23 Digital Voice Systems, Inc. Multiband harmonic transform coder
US6295614B1 (en) 2000-03-02 2001-09-25 Corning Incorporated Apparatus for estimating bit error rate by sampling in WDM communication system
JP3443094B2 (ja) * 2000-12-27 2003-09-02 株式会社東芝 無線通信方法および無線通信装置
US7290184B2 (en) * 2001-08-23 2007-10-30 Seagate Technology Llc Emulation system for evaluating digital data channel configurations
DE102005027632B4 (de) * 2005-03-31 2009-09-24 Schleifring Und Apparatebau Gmbh Mehrkanal-Datenübertragungssystem für Computertomographen
US7617424B2 (en) * 2005-12-30 2009-11-10 Intel Corporation Error monitoring for serial links
US8166354B2 (en) 2006-11-30 2012-04-24 Research In Motion Limited Apparatus, and associated method, for estimating a bit error rate of data communicated in a communication system

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3418631A (en) * 1965-06-04 1968-12-24 Bell Telephone Labor Inc Error detection in paired selected ternary code trains
US4305150A (en) * 1979-05-31 1981-12-08 Digital Communications Corporation On-line channel quality monitor for a communication channel
DE3012400C2 (de) * 1980-03-29 1986-03-06 ANT Nachrichtentechnik GmbH, 7150 Backnang Verfahren zur Überwachung der Bitfehlerrate
US4449102A (en) * 1982-03-15 1984-05-15 Bell Telephone Laboratories, Incorporated Adaptive threshold circuit
DE3211325C1 (de) * 1982-03-27 1989-05-18 Rohde & Schwarz GmbH & Co KG, 8000 München System zum automatischen Aufbau einer Kurzwellen-Telegrafiezeichen-Verbindung
US4499606A (en) * 1982-12-27 1985-02-12 Sri International Reception enhancement in mobile FM broadcast receivers and the like
JPS59181732A (ja) * 1983-03-31 1984-10-16 Toshiba Corp 携帯用無線機におけるダイバ−シチ−受信方式
JPS59193658A (ja) * 1983-04-18 1984-11-02 Nec Corp 擬似誤り検出回路
US4584713A (en) * 1983-07-06 1986-04-22 Motorola, Inc. Signal quality steered diversity
WO1985005518A1 (en) * 1984-05-15 1985-12-05 Australian Telecommunications Commission Characterisation of digital radio signals
IT1211612B (it) * 1987-12-22 1989-11-03 Esercizio Delle Telecomunicazi Procedimento e dispositivo di decodifica con rivelazione di cancellature per sistemi di trasmissione multilivello
US4873702A (en) * 1988-10-20 1989-10-10 Chiu Ran Fun Method and apparatus for DC restoration in digital receivers

Also Published As

Publication number Publication date
EP0400983B1 (en) 1997-08-13
EP0400983A3 (en) 1992-07-01
HU903265D0 (en) 1990-10-28
EP0400983A2 (en) 1990-12-05
GR3024456T3 (en) 1997-11-28
JPH04506731A (ja) 1992-11-19
DE69031247T2 (de) 1998-02-19
HU210890B (en) 1995-09-28
CS268090A3 (en) 1992-11-18
HUT60418A (en) 1992-08-28
KR920702107A (ko) 1992-08-12
US5036515A (en) 1991-07-30
ATE156953T1 (de) 1997-08-15
DD294829A5 (de) 1991-10-10
AU5543690A (en) 1991-01-07
DK0400983T3 (da) 1997-10-06
DE69031247D1 (de) 1997-09-18
MX163437B (es) 1992-05-13
CA2055450C (en) 1995-01-17
KR950006702B1 (ko) 1995-06-21
WO1990015487A1 (en) 1990-12-13
ES2104584T3 (es) 1997-10-16
IL94334A0 (en) 1991-03-10

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