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WO2002031998A3 - Wavelet receiver with removal of dc offset - Google Patents

Wavelet receiver with removal of dc offset Download PDF

Info

Publication number
WO2002031998A3
WO2002031998A3 PCT/US2001/042500 US0142500W WO0231998A3 WO 2002031998 A3 WO2002031998 A3 WO 2002031998A3 US 0142500 W US0142500 W US 0142500W WO 0231998 A3 WO0231998 A3 WO 0231998A3
Authority
WO
WIPO (PCT)
Prior art keywords
ultra wide
wide bandwidth
signal
receiver
bandwidth signal
Prior art date
Application number
PCT/US2001/042500
Other languages
French (fr)
Other versions
WO2002031998A2 (en
WO2002031998A9 (en
Inventor
John Mccorkle
Original Assignee
Xtremespectrum Inc
John Mccorkle
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
Priority claimed from US09/685,195 external-priority patent/US6925108B1/en
Priority claimed from US09/685,197 external-priority patent/US6965630B1/en
Priority claimed from US09/685,200 external-priority patent/US6937646B1/en
Priority claimed from US09/685,199 external-priority patent/US6975665B1/en
Priority claimed from US09/685,205 external-priority patent/US7010056B1/en
Application filed by Xtremespectrum Inc, John Mccorkle filed Critical Xtremespectrum Inc
Priority to AU2001296982A priority Critical patent/AU2001296982A1/en
Publication of WO2002031998A2 publication Critical patent/WO2002031998A2/en
Publication of WO2002031998A3 publication Critical patent/WO2002031998A3/en
Publication of WO2002031998A9 publication Critical patent/WO2002031998A9/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
    • H04B1/69—Spread spectrum techniques
    • H04B1/7163—Spread spectrum techniques using impulse radio
    • H04B1/717—Pulse-related aspects
    • H04B1/7172—Pulse shape
    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/7163—Spread spectrum techniques using impulse radio
    • H04B1/71637—Receiver aspects
    • 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
    • H04L27/0004—Modulated-carrier systems using wavelets
    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/709—Correlator structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Noise Elimination (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

A receiver correlator structure for an ultra wide bandwidth communication system includes an antenna, a mixer, a bandpass filter, and a convertor. The receiver receives, via the antenna, an ultra wide bandwidth signal comprising a sequence of wavelets of particular shapes and positions, and transmits the received ultra wide bandwidth signal to the mixer. The mixer also receives and mixes with the received ultra wide bandwidth signal a local ultra wide bandwidth signal comprising a sequence of wavelets of particular shapes and positions correlated to the received ultra wide bandwidth signal. The bandpass filter removes the DC components from the mixed signal, and provides the resultant signal to the convertor. The receiver structure eliminates the local ultra wide bandwidth signal AC bias and DC bias terms and 1/f noise, yet detects long sequences of logical 1's and 0's, and allows operation will reduced bandwidth convertors.
PCT/US2001/042500 2000-10-10 2001-10-05 Wavelet receiver with removal of dc offset WO2002031998A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001296982A AU2001296982A1 (en) 2000-10-10 2001-10-05 Wavelet receiver with removal of dc offset

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
US09/685,200 2000-10-10
US09/685,195 US6925108B1 (en) 2000-05-26 2000-10-10 Ultrawide bandwidth system and method for fast synchronization
US09/685,197 2000-10-10
US09/685,195 2000-10-10
US09/685,205 2000-10-10
US09/685,197 US6965630B1 (en) 2000-10-10 2000-10-10 Mode Controller for signal acquisition and tracking in an ultra wideband communication system
US09/685,199 2000-10-10
US09/685,200 US6937646B1 (en) 2000-10-10 2000-10-10 Leakage nulling receiver correlator structure and method for ultra wide bandwidth communication system
US09/685,199 US6975665B1 (en) 2000-05-26 2000-10-10 Low power, high resolution timing generator for ultra-wide bandwidth communication systems
US09/685,205 US7010056B1 (en) 2000-10-10 2000-10-10 System and method for generating ultra wideband pulses

Publications (3)

Publication Number Publication Date
WO2002031998A2 WO2002031998A2 (en) 2002-04-18
WO2002031998A3 true WO2002031998A3 (en) 2003-01-16
WO2002031998A9 WO2002031998A9 (en) 2003-03-20

Family

ID=27542076

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/042500 WO2002031998A2 (en) 2000-10-10 2001-10-05 Wavelet receiver with removal of dc offset

Country Status (2)

Country Link
AU (1) AU2001296982A1 (en)
WO (1) WO2002031998A2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5677927A (en) * 1994-09-20 1997-10-14 Pulson Communications Corporation Ultrawide-band communication system and method
WO2000054420A1 (en) * 1999-03-11 2000-09-14 Mitsubishi Denki Kabushiki Kaisha Radio terminal device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5677927A (en) * 1994-09-20 1997-10-14 Pulson Communications Corporation Ultrawide-band communication system and method
WO2000054420A1 (en) * 1999-03-11 2000-09-14 Mitsubishi Denki Kabushiki Kaisha Radio terminal device
EP1083669A1 (en) * 1999-03-11 2001-03-14 Mitsubishi Denki Kabushiki Kaisha Radio terminal device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
LUISE M ET AL: "CLOCK SYNCHRONIZATION FOR WAVELET-BASED MULTIRATE TRANSMISSIONS", IEEE TRANSACTIONS ON COMMUNICATIONS, IEEE INC. NEW YORK, US, vol. 48, no. 6, June 2000 (2000-06-01), pages 1047 - 1054, XP000954431, ISSN: 0090-6778 *
WIN M Z ET AL: "ULTRA-WIDE BANDWIDTH TIME-HOPPING SPREAD-SPECTRUM IMPULSE RADIO FORWIRELESS MULTIPLE-ACCESS COMMUNICATIONS", IEEE TRANSACTIONS ON COMMUNICATIONS, IEEE INC. NEW YORK, US, vol. 48, no. 4, April 2000 (2000-04-01), pages 679 - 691, XP000932191, ISSN: 0090-6778 *

Also Published As

Publication number Publication date
WO2002031998A2 (en) 2002-04-18
WO2002031998A9 (en) 2003-03-20
AU2001296982A1 (en) 2002-04-22

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