Input Orthogonalization Methods for Third-Order MIMO Volterra Channel Identification
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Input orthogonalization methods for supervised and blind identification of third-order MIMO Volterra communica- tion channels are considered. In the supervised case, we extend the use of orthonormal polynomials to MIMO Volterra systems. In the blind case, we propose an original solution for channel identification based on the use of state-dependent modulation code schemes with PSK signals. Several channel estimation methods using input orthogonalization are presented and their performances are evaluated by means of computational simulations.
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