WO2006062652A3 - Broadband wireless communications systems and methods using multiple non-contiguous frequency bands/segments - Google Patents

Broadband wireless communications systems and methods using multiple non-contiguous frequency bands/segments Download PDF

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Publication number
WO2006062652A3
WO2006062652A3 PCT/US2005/040400 US2005040400W WO2006062652A3 WO 2006062652 A3 WO2006062652 A3 WO 2006062652A3 US 2005040400 W US2005040400 W US 2005040400W WO 2006062652 A3 WO2006062652 A3 WO 2006062652A3
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WO
WIPO (PCT)
Prior art keywords
segments
frequency bands
broadband information
multiple non
wireless communications
Prior art date
Application number
PCT/US2005/040400
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French (fr)
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WO2006062652A2 (en
Inventor
Peter D Karabinis
Original Assignee
Atc Tech Llc
Peter D Karabinis
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 Atc Tech Llc, Peter D Karabinis filed Critical Atc Tech Llc
Publication of WO2006062652A2 publication Critical patent/WO2006062652A2/en
Publication of WO2006062652A3 publication Critical patent/WO2006062652A3/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J1/00Frequency-division multiplex systems
    • H04J1/02Details
    • H04J1/12Arrangements for reducing cross-talk between channels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2649Demodulators
    • H04L27/26524Fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators in combination with other circuits for demodulation
    • H04L27/26526Fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators in combination with other circuits for demodulation with inverse FFT [IFFT] or inverse DFT [IDFT] demodulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] receiver or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/02Channels characterised by the type of signal
    • H04L5/023Multiplexing of multicarrier modulation signals

Abstract

Wireless communications transceivers include a transmitter that is configured to selectively frequency shift and transmit portions of broadband information over multiple non-contiguous narrowband frequency bands/segments, each of which is too narrow to carry the broadband information. A receiver also is configured to receive and selectively frequency shift portions of broadband information from multiple non-contiguous narrowband frequency bands/segments, each of which is too narrow to carry the second broadband information. Broadband information thereby may be transmitted and received in a regulated communications environment, even though a given provider may only be assigned discontinuous frequency bands/segments, none of which is wide enough to carry the entire broadband information.
PCT/US2005/040400 2004-12-07 2005-11-09 Broadband wireless communications systems and methods using multiple non-contiguous frequency bands/segments WO2006062652A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/006,318 US7454175B2 (en) 2004-12-07 2004-12-07 Broadband wireless communications systems and methods using multiple non-contiguous frequency bands/segments
US11/006,318 2004-12-07

Publications (2)

Publication Number Publication Date
WO2006062652A2 WO2006062652A2 (en) 2006-06-15
WO2006062652A3 true WO2006062652A3 (en) 2006-10-12

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PCT/US2005/040400 WO2006062652A2 (en) 2004-12-07 2005-11-09 Broadband wireless communications systems and methods using multiple non-contiguous frequency bands/segments

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US (3) US7454175B2 (en)
WO (1) WO2006062652A2 (en)

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