Scalable time-orthogonal preamble supplement generator,...

Details Scalable time-orthogonal preamble supplement generator,... Scalable time-orthogonal preamble supplement generator,...

2008-01-29

2008-01-29

Tran, Khanh C. (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

Reexamination Certificate

active

10886480

ABSTRACT:
The present invention provides a time-orthogonal preamble supplement generator for use with a multiple-input, multiple-output (MIMO) transmitter employing N transmit antennas, where N is at least two. In one embodiment, the time-orthogonal preamble supplement generator includes an initial preamble supplement encoder configured to provide a preamble supplement to each of the N transmit antennas during an initial time interval. The time-orthogonal preamble supplement generator also includes a subsequent preamble supplement encoder coupled to the initial preamble supplement encoder and configured to provide the preamble supplement or a negation thereof to the N transmit antennas during (N−1) subsequent time intervals.

REFERENCES:
patent: 2004/0136464 (2004-07-01), Suh et al.
patent: 2005/0018750 (2005-01-01), Foerster et al.
patent: 2006/0251193 (2006-11-01), Kopmeiners et al.

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