WO1997008843A3 - Common receive module for a programmable digital radio - Google Patents

Common receive module for a programmable digital radio Download PDF

Info

Publication number
WO1997008843A3
WO1997008843A3 PCT/US1996/014165 US9614165W WO9708843A3 WO 1997008843 A3 WO1997008843 A3 WO 1997008843A3 US 9614165 W US9614165 W US 9614165W WO 9708843 A3 WO9708843 A3 WO 9708843A3
Authority
WO
WIPO (PCT)
Prior art keywords
digital
signals
submodule
programmable
application
Prior art date
Application number
PCT/US1996/014165
Other languages
French (fr)
Other versions
WO1997008843A2 (en
Inventor
William C Phillips
Michael V Pascale
Ronald W Minarik
Kenneth M Schmidt
Benjamin F Weigand
Walter M Dirndorfer
Robert S Prill
Arnold B Siegel
Richard H Nogay
Original Assignee
Northrop Grumman Corp
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 Northrop Grumman Corp filed Critical Northrop Grumman Corp
Priority to EP96929897A priority Critical patent/EP0847631A1/en
Priority to AU69138/96A priority patent/AU714567B2/en
Publication of WO1997008843A2 publication Critical patent/WO1997008843A2/en
Publication of WO1997008843A3 publication Critical patent/WO1997008843A3/en

Links

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
    • H04B1/0014—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 using DSP [Digital Signal Processor] quadrature modulation and demodulation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/767—Responders; Transponders
    • 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
    • H04B1/0028—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 baseband stage
    • H04B1/0039—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 baseband stage using DSP [Digital Signal Processor] quadrature modulation and demodulation
    • 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
    • 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

Abstract

A digital submodule is included in a software programmable common receive module for receiving intermediate frequency signals and producing a serial bit stream. The digital submodule is programmable based on a selected application of a plurality of radio applications and, if present, a selected function of a plurality of functions of the selected radio application. The digital submodule may include an analog to digital converter for converting intermediate frequency signals received from an analog submodule into digital signals. The digital signals are supplied to a programmable signal processing unit which is configured, according to the selected radio application and, if present, the selected function, to perform control functions, processing and analysis of the digital signals and generate output signals. The output signals are then formatted by a formatting unit producing formatted digital signals. The formatted digital signals are then supplied to a system bus. The programmable signal processing unit may include a digital downconverter for selective use depending on the selected application of radio communication, for generating a baseband signal. Additionally, a central processing unit is included to perform further signal processing for selected radio applications.
PCT/US1996/014165 1995-08-31 1996-08-30 Common receive module for a programmable digital radio WO1997008843A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP96929897A EP0847631A1 (en) 1995-08-31 1996-08-30 Common receive module for a programmable digital radio
AU69138/96A AU714567B2 (en) 1995-08-31 1996-08-30 Common receive module for a programmable digital radio

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/528,206 1995-08-31
US08/528,206 US5859878A (en) 1995-08-31 1995-08-31 Common receive module for a programmable digital radio

Publications (2)

Publication Number Publication Date
WO1997008843A2 WO1997008843A2 (en) 1997-03-06
WO1997008843A3 true WO1997008843A3 (en) 1997-05-01

Family

ID=24104691

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1996/014165 WO1997008843A2 (en) 1995-08-31 1996-08-30 Common receive module for a programmable digital radio

Country Status (5)

Country Link
US (1) US5859878A (en)
EP (1) EP0847631A1 (en)
AU (1) AU714567B2 (en)
CA (1) CA2230560A1 (en)
WO (1) WO1997008843A2 (en)

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CA2230560A1 (en) 1997-03-06
EP0847631A1 (en) 1998-06-17

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