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Daguet, "TDM-FDM transmultiplexer: digital polyphase and FFT," IEEE Transactions on Communications, vol.
Figure 4 shows the basic representation of a FBMC-OQAM transmultiplexer. The main blocks are the OQAM preprocessing or modulator block, the synthesis filter bank, the analysis filter bank, and OQAM postprocessing or demodulator.
The structure of a GFDM-OQAM transmultiplexer is similar to that of the FBMC-OQAM transmultiplexer shown in Figure 4.
Caption: Figure 4: Basic representation of a FBMC-OQAM transmultiplexer. This scheme shows the basic idea behind FBMC- OQAM, where each symbol of each subchannel is modulated as OQAM, multiplied by its corresponding subcarrier, and filtered by the prototype filter.
The fundamental parts of the FBMC/OQAM system are the synthesis filter bank (SFB) at the transmitter and the analysis filter bank (AFB) at the receiver, arranged in the so-called transmultiplexer (TMUX) configuration as shown in Figures 1 and 2.
Martin, "Overlapped complex-modulated transmultiplexer filters with simplified design and superior stopbands," IEEE Transactions on Circuits and Systems II, vol.
Renfors, "Exponentially-modulated filter bank-based transmultiplexer," in Proceedings of the 2003 IEEE International Symposium on Circuits and Systems, vol.
Neurohr and M.Schilpp, Comparison of transmultiplexers for multicarrier modulation," Proceedings of the fourth International Conference on Signal Processing (ICSP) , 1, 35-38(1998).
de Courville, "Orthogonal transmultiplexers in communications: A review", IEEE Trans.
Transmultiplexers using maximally decimated filter banks with perfect /near-perfect reconstruction (PR/NPR) property, known as discrete wavelet multi-tone (DWMT), are the most desirable candidate for this application [5] as shown in the Fig.
De Courville, "Orthogonal transmultiplexers in communication: a review," Signal Processing, IEEE Transactions on, vol.