DK0620959T3 - Frekvenssynkroniseret tovejsradiosystem - Google Patents

Frekvenssynkroniseret tovejsradiosystem

Info

Publication number
DK0620959T3
DK0620959T3 DK93902899T DK93902899T DK0620959T3 DK 0620959 T3 DK0620959 T3 DK 0620959T3 DK 93902899 T DK93902899 T DK 93902899T DK 93902899 T DK93902899 T DK 93902899T DK 0620959 T3 DK0620959 T3 DK 0620959T3
Authority
DK
Denmark
Prior art keywords
base
remote
phase
response
remote station
Prior art date
Application number
DK93902899T
Other languages
English (en)
Inventor
Mircho A Davidov
Forrest F Fulton
Original Assignee
Schlumberger Resource Man Serv
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 Schlumberger Resource Man Serv filed Critical Schlumberger Resource Man Serv
Application granted granted Critical
Publication of DK0620959T3 publication Critical patent/DK0620959T3/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0035—Synchronisation arrangements detecting errors in frequency or phase
    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/56—Circuits using the same frequency for two directions of communication with provision for simultaneous communication in two directions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2662—Arrangements for Wireless System Synchronisation
    • H04B7/2671—Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
    • H04B7/2675—Frequency synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/06—Arrangements for supplying the carrier waves ; Arrangements for supplying synchronisation signals
    • H04J1/065—Synchronisation of carrier sources at the receiving station with the carrier source at the transmitting station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of DC offset
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits
    • H04L27/3845—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier
    • H04L27/3854—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier using a non - coherent carrier, including systems with baseband correction for phase or frequency offset
    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
    • H04B1/408—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency the transmitter oscillator frequency being identical to the receiver local oscillator frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/0028—Correction of carrier offset at passband only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0053—Closed loops
    • H04L2027/0057—Closed loops quadrature phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Superheterodyne Receivers (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Radio Relay Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
DK93902899T 1992-01-09 1993-01-08 Frekvenssynkroniseret tovejsradiosystem DK0620959T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/818,693 US5377232A (en) 1992-01-09 1992-01-09 Frequency synchronized bidirectional radio system
PCT/US1993/000014 WO1993014585A1 (en) 1992-01-09 1993-01-08 Frequency synchronized bidirectional radio system

Publications (1)

Publication Number Publication Date
DK0620959T3 true DK0620959T3 (da) 2003-12-08

Family

ID=25226180

Family Applications (1)

Application Number Title Priority Date Filing Date
DK93902899T DK0620959T3 (da) 1992-01-09 1993-01-08 Frekvenssynkroniseret tovejsradiosystem

Country Status (10)

Country Link
US (1) US5377232A (da)
EP (1) EP0620959B1 (da)
AT (1) ATE248474T1 (da)
AU (1) AU3430493A (da)
CA (1) CA2126102C (da)
DE (1) DE69333166T2 (da)
DK (1) DK0620959T3 (da)
ES (1) ES2206453T3 (da)
PT (1) PT620959E (da)
WO (1) WO1993014585A1 (da)

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DE4441566A1 (de) * 1994-11-23 1996-05-30 Bosch Gmbh Robert Verfahren zur digitalen Frequenzkorrektur bei Mehrträgerübertragungsverfahren
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US6362737B1 (en) 1998-06-02 2002-03-26 Rf Code, Inc. Object Identification system with adaptive transceivers and methods of operation
US6041088A (en) * 1996-10-23 2000-03-21 Sicom, Inc. Rapid synchronization for communication systems
US6047016A (en) * 1997-06-23 2000-04-04 Cellnet Data Systems, Inc. Processing a spread spectrum signal in a frequency adjustable system
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US6178197B1 (en) 1997-06-23 2001-01-23 Cellnet Data Systems, Inc. Frequency discrimination in a spread spectrum signal processing system
US6741638B2 (en) 1997-06-23 2004-05-25 Schlumbergersema Inc. Bandpass processing of a spread spectrum signal
US6456644B1 (en) 1997-06-23 2002-09-24 Cellnet Data Systems, Inc. Bandpass correlation of a spread spectrum signal
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US7720468B1 (en) * 1999-06-23 2010-05-18 Clearwire Legacy Llc Polling methods for use in a wireless communication system
MXPA03000516A (es) 2000-07-21 2004-05-31 Itron Inc Sistema de lectura de medicion de espectro de propagacion utilizando salto de frecuencia de alta potencia/baja velocidad.
US6300884B1 (en) * 2000-08-08 2001-10-09 Motorola Inc. Method for decoding a quadrature encoded signal
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DE10241554A1 (de) * 2002-09-05 2004-03-25 Schleifring Und Apparatebau Gmbh Empfangseinrichtung für digitale Signale
US7417557B2 (en) * 2003-05-07 2008-08-26 Itron, Inc. Applications for a low cost receiver in an automatic meter reading system
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US7343255B2 (en) * 2004-07-07 2008-03-11 Itron, Inc. Dual source real time clock synchronization system and method
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US7298288B2 (en) * 2005-04-29 2007-11-20 Itron, Inc. Automatic adjustment of bubble up rate
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US7847536B2 (en) 2006-08-31 2010-12-07 Itron, Inc. Hall sensor with temperature drift control
US8049642B2 (en) 2006-09-05 2011-11-01 Itron, Inc. Load side voltage sensing for AMI metrology
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Also Published As

Publication number Publication date
US5377232A (en) 1994-12-27
WO1993014585A1 (en) 1993-07-22
DE69333166D1 (de) 2003-10-02
ATE248474T1 (de) 2003-09-15
CA2126102C (en) 2003-07-29
AU3430493A (en) 1993-08-03
DE69333166T2 (de) 2004-06-09
EP0620959B1 (en) 2003-08-27
CA2126102A1 (en) 1993-07-22
PT620959E (pt) 2004-01-30
EP0620959A4 (en) 1996-03-13
ES2206453T3 (es) 2004-05-16
EP0620959A1 (en) 1994-10-26

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