FBMC Synchronization Techniques
(2017) Orthogonal Waveforms and Filter Banks for Future Communication Systems — ISBN: [9780128103852], p. 221-255, published
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- Abstract
- Synchronization is a crucial operation in multicarrier systems. Similarly to Orthogonal Frequency-Division Multiplexing (OFDM), FilterBank MultiCarrier with Offset-QAM subcarrier modulation (FBMC/OQAM) systems require good frequency offset and symbol timing synchronization. However they usually have slightly relaxed synchronization requirements with respect to OFDM as the residual errors can be efficiently corrected by a multitap equalizer if it is present. In this chapter, several synchronization techniques are presented for coping with symbol timing offset and carrier frequency offset, which may be based on training input (preamble or scattered pilots) or be blind. In addition, both time domain and frequency domain implementations are studied. Finally, an asynchronous multi-user uplink scenario is analyzed, where the fast-convolution filter bank structure is used to enable simultaneous processing of non-synchronized signals from different users.
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Citations
Louveaux, J., Martin Fuhrwerk, Davide Mattera, Markku Renfors, & Mario Tanda. (2017). FBMC Synchronization Techniques. In Markku Renfors, Xavier Mestre, Eleftherios Kofidis, Faouzi Bader (ed.), Orthogonal Waveforms and Filter Banks for Future Communication Systems (p. p. 221-255). Elsevier. https://doi.org/10.1016/B978-0-12-810384-5.00010-4