Article Dans Une Revue IEEE Communications Letters Année : 2021

Filtered Asymmetrically Clipped Optical-OFDM with Index Modulation for Optical Wireless Systems

Résumé

In this letter, we present filtered asymmetrically clipped optical-orthogonal frequency-division multiplexing with index modulation (FACO-OFDM-IM) for optical wireless systems. FACO-OFDM-IM optimizes the baseband bandwidth by filtering out-of-band spectral leakage caused by clipping. Additionally, IM enables FACO-OFDM-IM to impart granularity for spectral efficiency (SE)/energy efficiency (EE) trade-off and to achieve higher SE over established counterparts. Hereby, we elucidate the transceiver architecture, SE/EE trade-off, and bit-error-rate (BER). Simulation results establish that FACO-OFDM-IM attains higher spectral efficiences than classical IM approaches and outperforms them for low alphabet cardinalities while marginally increasing the complexity.

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hal-03097509 , version 1 (05-01-2021)

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Ali Waqar Azim, Yannis Le Guennec, Marwa Chafii, Laurent Ros. Filtered Asymmetrically Clipped Optical-OFDM with Index Modulation for Optical Wireless Systems. IEEE Communications Letters, 2021, 5 (5), pp.1592-1595. ⟨10.1109/LCOMM.2020.3048894⟩. ⟨hal-03097509⟩
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