Proc. IEEE Global Communications Conference,
Dec. 1-5, 2008,
accepted for publication.
Using Higher Order Cyclostationarity to Identify Space-Time Block Codes
Marcus DeYoung (1)(2),
Robert W. Heath, Jr. (1),
Brian L. Evans (1)
(1) Department of Electrical
and Computer Engineering,
Engineering Science Building,
The University of Texas at Austin,
Austin, TX 78712 USA
(2) Zeta Associates, Inc., 10302 Eaton Place, Suite 500, Fairfax, VA 22030
Paper Draft -
Research in cognitive radios has renewed interest in
tools, such as spectrum estimation and modulation identification,
to characterize the radio frequency (RF) environment.
The use of multiple antennas for multiple-input multiple-output (MIMO)
communications presents a new challenge in detecting and
In this paper, we propose a statistical test to detect space-time
block codes, focusing on the two transmitter Alamouti code.
Our test exploits a new characterization of the Alamouti space-time
block code (STBC) using fourth order cyclic frequencies.
The test requires only a single receive antenna, and does not require
any symbol synchronization.
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