FI962960A - Modulaatiotaajuuskaistan signaalin digitoija ja digitointimenetelmä - Google Patents

Modulaatiotaajuuskaistan signaalin digitoija ja digitointimenetelmä Download PDF

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Publication number
FI962960A
FI962960A FI962960A FI962960A FI962960A FI 962960 A FI962960 A FI 962960A FI 962960 A FI962960 A FI 962960A FI 962960 A FI962960 A FI 962960A FI 962960 A FI962960 A FI 962960A
Authority
FI
Finland
Prior art keywords
frequency band
modulation frequency
signal digitizer
digitization method
digitization
Prior art date
Application number
FI962960A
Other languages
English (en)
Swedish (sv)
Other versions
FI962960A0 (fi
Inventor
Paul Fielding Smith
Danny Thomas Pinckley
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 FI962960A publication Critical patent/FI962960A/fi
Publication of FI962960A0 publication Critical patent/FI962960A0/fi

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Classifications

    • 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
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • H04B1/0007—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at radiofrequency or intermediate frequency stage
    • H04B1/0017—Digital filtering
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/1205—Multiplexed conversion systems
    • H03M1/121—Interleaved, i.e. using multiple converters or converter parts for one channel
    • 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
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • 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
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • H04B1/0007—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at radiofrequency or intermediate frequency stage
    • H04B1/001—Channel filtering, i.e. selecting a frequency channel within the SDR system
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • 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
    • H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
    • 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
    • H04L25/14—Channel dividing arrangements, i.e. in which a single bit stream is divided between several baseband channels and reassembled at the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
FI962960A 1994-12-29 1996-07-24 Modulaatiotaajuuskaistan signaalin digitoija ja digitointimenetelmä FI962960A0 (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/366,347 US5668836A (en) 1994-12-29 1994-12-29 Split frequency band signal digitizer and method
PCT/US1995/015295 WO1996021280A1 (en) 1994-12-29 1995-11-22 Split frequency band signal digitizer and method

Publications (2)

Publication Number Publication Date
FI962960A true FI962960A (fi) 1996-07-24
FI962960A0 FI962960A0 (fi) 1996-07-24

Family

ID=23442635

Family Applications (1)

Application Number Title Priority Date Filing Date
FI962960A FI962960A0 (fi) 1994-12-29 1996-07-24 Modulaatiotaajuuskaistan signaalin digitoija ja digitointimenetelmä

Country Status (10)

Country Link
US (1) US5668836A (fi)
JP (1) JPH09510075A (fi)
CN (1) CN1057413C (fi)
CA (1) CA2181809C (fi)
DE (1) DE19581508T1 (fi)
FI (1) FI962960A0 (fi)
FR (1) FR2729023A1 (fi)
GB (1) GB2301500B (fi)
SE (1) SE9603088L (fi)
WO (1) WO1996021280A1 (fi)

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Also Published As

Publication number Publication date
GB9617717D0 (en) 1996-10-02
GB2301500B (en) 1998-07-01
GB2301500A (en) 1996-12-04
WO1996021280A1 (en) 1996-07-11
SE9603088L (sv) 1996-10-02
JPH09510075A (ja) 1997-10-07
CN1057413C (zh) 2000-10-11
DE19581508T1 (de) 1997-08-21
CN1142291A (zh) 1997-02-05
SE9603088D0 (sv) 1996-08-27
FI962960A0 (fi) 1996-07-24
US5668836A (en) 1997-09-16
FR2729023A1 (fr) 1996-07-05
CA2181809A1 (en) 1996-07-11
CA2181809C (en) 1999-09-28

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