Incoherent type mimo UWB communication system

Details Incoherent type mimo UWB communication system Incoherent type mimo UWB communication system

2011-07-05

2011-07-05

Phu, Phuong (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

C375S299000, C375S260000, C375S347000, C375S239000, C455S500000, C455S101000

Reexamination Certificate

active

07974361

ABSTRACT:
This invention relates to a space-time coding process for a pulse type MIMO-UWB system using symbols belonging to a PPM modulation alphabet. Orthogonality of signals emitted by the different antennas is achieved by providing a mechanism for permutation of PPM symbol modulation positions and by imposing a constraint on the positions of said symbols. The space-time coding process according to the invention enables an incoherent type reception.

REFERENCES:
patent: 7340009 (2008-03-01), Giannakis et al.
patent: 7693229 (2010-04-01), Feher
Abou-Rjeily et al., “A 2×2 Antennas Ultra-Wideband System with Biorthogonal Pulse Position Modulation,” IEEE Communications Letters 10(5):366-8 (2006).
Abou-Rjeily et al., “A Rate-1 2×2 Space-Time Code Without Any Constellation Extension for TH-UWB Communication Systems with PPM,” IEEE CEA-LETI, rue des Martyrs, Grenoble, France pp. 1683-1687 (2007).
Abou-Rjeily et al., “Amplify-and-Forward Cooperative Diversity with Space-Time Coded UWB Systems,” IEEE CEA-LETI, rue des Martyrs, Genoble, France pp. 429-434 (2006).
Abou-Rjeily et al., “Space-Time Coding for Multiuser Ultra-Wideband Communications,” IEEE Transactions on Communications 54(11):1960-72 (2006).
European Search Report for European Patent Application No. EP08156301 (Sep. 29, 2008).
Yang et al., “Analog Space-Time Coding for Multiantenna Ultra-Wideband Trnasmissions,” IEEE Transactions on Communications 52(3):507-17 (2004).

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