Signal transmission multiple antenna method and device

Pulse or digital communications – Systems using alternating or pulsating current – Plural channels for transmission of a single pulse train

Reexamination Certificate

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Reexamination Certificate

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07469015

ABSTRACT:
The invention lies within the field of wireless communications systems with several transmitting antennas, corresponding to MIMO (Multiple Input Multiple Output) systems or to MISO (Multiple Input Single Output) systems. According to the invention, the symbols to be transmitted are pre-encoded with a particular linear pre-encoding matrix then coded according to space-time block coding so as to benefit to the full from temporal and spatial diversities allowing at reception for particularly easy and efficient linear decoding.

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patent: 2004/0120300 (2004-06-01), Saquib
Tarokh et al. “Space-Time Block Codes from Orthogonal Designs”, IEEE Transactions on Information Theory, vol. 45, No. 5, Jul. 1999, pp. 1456-1467.
Zafar, MD et al. “Space-time Block Codes From Co-ordinate Interleaved Orthogonal Designs”, Proceedings 2002 IEEE International Symposium on Information Theory, IEEE International Symposium on Information Theory, New York, NY: IEEE, US, Jun. 30, 2002, pp. 275, XP010601986.
Da Silva, M. M. et al. “Space Time Block Coding for 4 Antennas With Coding Rate 1”, IEEE 7thSymposium on Spread Spectrum Tech & Application, vol. 2, Sep. 2-5, 2002, pp. 318-322, XP010615483.
Alamouti, S.M. “A Simple Transmit Diversity Technique for Wireless Communications”, IEEE Journal on Selected Areas in Communications, IEEE, Inc., New York, NY, vol. 16, No. 8, Oct. 1998, pp. 1451-1458, XP002100058.
French Preliminary Search Report dated Sep. 1, 2003 for French Application No. 02 16200.

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