Multicarrier transfer system and multicarrier modulation method

Details Multicarrier transfer system and multicarrier modulation method Multicarrier transfer system and multicarrier modulation method

2005-03-22

2005-03-22

Rao, Seema S. (Department: 2666)

Multiplex communications

Communication over free space

Combining or distributing information via frequency channels

C370S465000, C370S480000

Reexamination Certificate

active

06870826

ABSTRACT:
The multicarrier transfer system employing the OFDM/CDMA modulation system comprises a transmitter having an S/P converter which two-dimensionally arranges spread signals for a transmission data array on a frequency and time axes system and then rearrange the spread signals for one transmission data array arranged two-dimensionally. The transmitter transmits the signals generated in the S/P converter. A receiver receives the signals transmitted by the transmitter and demodulates the signal to reconstruct the transmission data array.

REFERENCES:
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patent: 6188717 (2001-02-01), Kaiser et al.
Equalization and Coding for Extended MC-CDMA Over Time and Frequency Selective Channels—Jochem Egle, Markus Reinhardt, and Jurgen Lindner, University of Ulm, Dept. of Information Technology, Albert Einstein Allee 43 D-89081 Ulm, e-mail: egle@it.e-technik.uni-ulm.de.
DFT Algorithm for Time/Spectrum Simultaneous Spreading CDMA, Jinsong Duan, Ikuo Oka, and Chikato Fujiwara.
Iterative Detection Algorithm for Extended MC-CDMA, W.G. Teich, A. Bury, J. Egle, M. Nold, and J. Lindner, Information Technology, University of Ulm, D-89069 Ulm—Phone: +49-731-50-26258, Fax: +49-731-50-26259 E-mail: wt@it.e-technik.uni-ulm.de.
Ramjee Prasad, et al., “An Overview of Multi-Carrier CDMA,” IEEE ISSSTA '96, Aug. 1996, pp. 107-114.
K. Sato, et al., The Institute of Electronics, Information and Communication Engineers, Technical Report of IEICE, SST98-56, vol. 98, No. 453, pp. 49-54, “Performance of OFDM/CDMA Using Differential Detection”, Dec. 11, 1998.

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