Overlapped complex-modulated transmultiplexer filters with simplified design and superior stopbands

TitleOverlapped complex-modulated transmultiplexer filters with simplified design and superior stopbands
Publication TypeJournal Article
Year of Publication2003
AuthorsMirabbasi, S., and K. Martin
JournalCircuits and Systems II: Analog and Digital Signal Processing, IEEE Transactions on
Pagination456 - 469
Date Publishedaug.
Keywordsfast sidelobe fall-off rate, filter banks, filtering theory, finite-impulse-response filter, FIR filters, FIR prototype filter design, frequency response, frequency selectivity, high stopband attenuation, high-speed data communication applications, multicarrier modulation, near perfect reconstruction property, overlapped complex-modulated transmultiplexer filters, transmultiplexing

A simple method for the design of the finite-impulse-response prototype filter for maximally decimated overlapped complex-modulated transmultiplexers with near perfect reconstruction property is presented. The procedure is unified for all values of overlap factor and leads to a prototype filter with excellent frequency selectivity and fast sidelobe fall-off rate. The high stopband attenuation and fast sidelobe fall-off rate, which is justified analytically, make the proposed filters suitable candidates for high-speed data communication applications employing multicarrier modulation.


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