Multiplex communications – Generalized orthogonal or special mathematical techniques – Fourier transform
Reexamination Certificate
2011-01-04
2011-01-04
Rego, Dominic E (Department: 2618)
Multiplex communications
Generalized orthogonal or special mathematical techniques
Fourier transform
C370S203000, C370S208000, C370S292000
Reexamination Certificate
active
07864661
ABSTRACT:
The present invention is directed to a time-switched preamble generator and method of generating a time-switched preamble for use with a multiple-input, multiple-output (MIMO) transmitter employing first and second transmit antennas. In one embodiment, the time-switched preamble generator includes an initial preamble formatter configured to provide a first preamble to the first transmit antenna and a second preamble to the second transmit antenna during an initial time interval. The time-switched preamble generator also includes a subsequent preamble formatter coupled to the initial preamble formatter and configured to provide the second preamble to the first transmit antenna and the first preamble to the second transmit antenna during a subsequent time interval.
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Batra Anuj
Gummadi Srikanth
Hosur Srinath
Magee David P.
Brady W. James
Rego Dominic E
Shaw Steven A.
Telecky , Jr. Frederick J.
Texas Instruments Incorporated
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