Abstract:In this letter, an adaptive two-dimensional orthogonalization (ATDO) scheme for non-linear digital canceller is proposed to realize selfinterference (SI) suppression in full-duplex radios. The proposed scheme consists of three parts. First, an adaptive lattice predictor is adopted to orthogonalize the input data over sample delay dimension. Then, a gradient-based adaptive orthogonalizer is developed to further orthogonalize the basis functions established with predictor output over non-linear order, and a new … Show more
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