Design of QAM-FBMC Waveforms Considering MMSE Receiver

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Due to its high spectral confinement characteristics and spectral efficiency, QAM-FBMC is considered a candidate waveform to replace CP-OFDM. QAM-FBMC has inevitable non-orthogonality both in time and frequency, and the system and filter must be well-designed to minimize the interferences. However, existing QAM-FBMC studies utilize a matched filter as the receiver filter, which is not suitable for a non-orthogonal system. Therefore, in this letter, we design the prototype filters considering the MMSE criterion, and propose a system providing the highest SINR in QAM-FBMC which cannot avoid non-orthogonality. In addition, we confirm that the proposed filters show best performance at target SNR than the reference filters.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2020-01
Language
English
Article Type
Article
Citation

IEEE COMMUNICATIONS LETTERS, v.24, no.1, pp.131 - 135

ISSN
1089-7798
DOI
10.1109/LCOMM.2019.2952375
URI
http://hdl.handle.net/10203/272159
Appears in Collection
EE-Journal Papers(저널논문)
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