US Patent 8649364 Hybrid subcarrier mapping method and system
Patent 8649364 was granted and assigned to Polytechnic Institute of New York University on February, 2014 by the United States Patent and Trademark Office.
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A method and system of accommodating different mapping schemes in a transmission using an orthogonal direct sequence spread spectrum technique in which input data to a transmitter is spread by conversion into a sequence of complex numbers modulated for N-point discrete Fourier transform (N-point DFT), subcarrier mapping, M-point inverse discrete Fourier transform (M-point IDFT), and cyclic prefix (CP) insertion; the spread and modulated data is transmitted to and received by a receiver; and the received data is despread demodulated for cyclic prefix (CP) removal, M-point discrete Fourier transform (M-point DFT), subcarrier demapping and equalization, and N-point inverse discrete Fourier transform (N-point IDFT).
US Patent 08649364 Hybrid subcarrier mapping method and system US Patent 8649364 Hybrid subcarrier mapping method and system
US Patent 08649364 Hybrid subcarrier mapping method and system
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