This paper proposes a new window based approach for the design of M-channel maximally decimated Near-Perfect Reconstruction (NPR) type transmultiplexer. Cosine modulation is used to design the synthesis and analysis sections of the transmultiplexer. The prototype filter is designed with high Side-Lobe-Fall-Off-Rate (SLFOR) combinational window functions. A gradient based optimization algorithm has been applied to minimize the interference parameters like Inter-Channel Interference (ICI) and Inter-Symbol Interference (ISI).The proposed method of design of transmultiplexers are showing the improvements in terms ICI and ISI.
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Singh et al. (2013) studied this question.
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