Structure of a multi-input multi-output multicarrier code...

Details Structure of a multi-input multi-output multicarrier code... Structure of a multi-input multi-output multicarrier code...

2008-07-29

2008-07-29

Shah, Chirag G (Department: 2619)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

Reexamination Certificate

active

07406067

ABSTRACT:
The present invention discloses a MIMO system and method, which is suitable for MC-CDMA communication system with multiple paths to obtain the spectrum efficiency and gain simultaneously. The transceiver performs steps of simultaneously transferring transmitting data to a plurality of parallel data streams, and space time block encoding each data, followed by spreading the encoded data streams with a pre-designed space-path spreading code, and transmitting data with the transmit antennas through multiple paths. Finally, at each receiver, despreading received data by the matched filters, and separating mutually interfering signals with a linear combiner and a BLAST detector to obtain the diversity gain.

REFERENCES:
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Helmut Bolcskei and Arogyaswami J. Paulraj, Multiple-Input Multiple-Output (MIMO) Wireless System, Chapter in “The Communications Handbook”, 2nd edition, J. Gibson, ed., CRC Press, pp. 90.1-90.14, 2002.
Howard Huang, Harish Viswanathan, and G. J. Foschini, Achieving High Data Rates in CDMA Systems Using BLAST Techniques, 1999. Globecom '99, Global Telecommunications Conference, vol. 5, pp. 2316-2320.
R. Doostnejad, Joon Lim Teng, and E. S. Sousa, Space-time spreading codes for a multiuser MIMO system, Signals, Systems and Computers, 2002. Conference Record of the Thirty-Sixth Asilomar Conference on vol. 2, Nov. 3-6, 2002 pp. 1374-1378.
Ezio Biglieri, Coding for the Wireless Channel, 2003, CRC Press LLC, Handbook of Ad hoc Wireless Networks (The).
Helmut Bölcskei and Arogyaswami J. Paulraj, Multiple-Input Multiple-Output (MIMO) Wireless Systems, 2002,CRC Press LLC, pp. 1-2, 6 and 8-10.

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