Multirate systems and filter banks
Multirate systems and filter banks
OFDM for Wireless Multimedia Communications
OFDM for Wireless Multimedia Communications
ICASSP '99 Proceedings of the Acoustics, Speech, and Signal Processing, 1999. on 1999 IEEE International Conference - Volume 05
Cosine-modulated multitone for very-high-speed digital subscriber lines
EURASIP Journal on Applied Signal Processing
Perfect reconstruction conditions and design of oversampled DFT-modulated transmultiplexers
EURASIP Journal on Applied Signal Processing
Efficient architectures for multiuser FMT systems and application to power line communications
IEEE Transactions on Communications
Key technologies for next-generation terrestrial digital television standard DVB-T2
IEEE Communications Magazine
IEEE Transactions on Signal Processing
Tight Weyl-Heisenberg frames in l2(Z)
IEEE Transactions on Signal Processing
On factorization of M-channel paraunitary filterbanks
IEEE Transactions on Signal Processing
DFT-modulated filterbank transceivers for multipath fading channels
IEEE Transactions on Signal Processing
IEEE Transactions on Signal Processing
Analysis and design of OFDM/OQAM systems based on filterbank theory
IEEE Transactions on Signal Processing
On simplified order-one factorizations of paraunitary filterbanks
IEEE Transactions on Signal Processing
Bit error rate performance of OFDM in narrowband interference with excision filtering
IEEE Transactions on Wireless Communications
Filtered multitone modulation for very high-speed digital subscriber lines
IEEE Journal on Selected Areas in Communications
IEEE Transactions on Signal Processing
| Hi-index | 0.08 |
In this work, we propose a novel method for the design of oversampled perfect reconstruction (PR) discrete Fourier transform (DFT) modulated filter banks (FB) for application to multi-carrier modulation (MCM). The PR property is enforced by employing a parametric class of paraunitary matrices to form the transmit/receive polyphase filters of the transceiver system. Specifically, the polyphase filters are formed by cascading special types of paraunitary matrices characterized by a limited set of design parameters. To reduce the number of these parameters, three different factorization methods are employed and compared. Through the optimization of these design parameters, the stop-band energy of the subband filters can be minimized which leads to improved spectral containment. The performance of the proposed system is investigated in a multi-carrier transceiver application, where it is compared with OFDM and other recently proposed FB structures. Numerical results show that the proposed scheme leads to a clear advantage not only in additive white Gaussian noise (AWGN) and frequency selective channels, but also in the presence of channel impairments such as narrow band interference or carrier frequency offset. In particular, it is found that a significant reduction in the bit error rate can be achieved by employing the proposed scheme.