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Coexistence of Communication Systems based on Heterogeneous Waveforms in 5G Wireless Networks
9 March 2017 @ 15 h 30 min - 14 December 2017 @ 17 h 00 min
Presenter: Quentin Bodinier
Abstract: 5G networks are envisioned to accommodate a wide range of applications, from high throughput cellular communications to sparse transmissions of short packets for the Internet of things. To satisfy the ensuing surge in data rate demands, 5G networks will have to make the most of an already saturated spectrum. Whereas it is now proposed to exploit frequency bands above 6GHz, this talk will rather explore ways to optimally exploit already licensed bands that are not used to their full potential by 4G legacy systems. Specifically, we will investigate how the use of newly proposed filter bank based multicarrier (FB-MC) waveforms with enhanced spectral localization can facilitate the coexistence of new 5G services with legacy 4G systems based on orthogonal frequency division multiplexing (OFDM). This analysis will then be applied to a case where legacy cellular users coexist in the same cell and frequency band with device-to-device (D2D) users, a communication mode that is expected to be enabled in 5G systems.