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

Ali Waqar Azim; Yannis Le Guennec; Marwa Chafii; Laurent Ros

doi:10.1109/LCOMM.2020.3048894

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

Ali Waqar Azim, Yannis Le Guennec, Marwa Chafii, Laurent Ros

Computer Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

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.

Original language	English (US)
Article number	9312121
Pages (from-to)	1592-1595
Number of pages	4
Journal	IEEE Communications Letters
Volume	25
Issue number	5
DOIs	https://doi.org/10.1109/LCOMM.2020.3048894
State	Published - May 2021

Keywords

Discrete Fourier transform
Internet-of-Things
index modulation
intensity modulation and direct detection
optical wireless systems
orthogonal frequency-division multiplexing

ASJC Scopus subject areas

Modeling and Simulation
Computer Science Applications
Electrical and Electronic Engineering

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10.1109/LCOMM.2020.3048894

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title = "Filtered Asymmetrically Clipped Optical-OFDM with Index Modulation for Optical Wireless Systems",

abstract = "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.",

keywords = "Discrete Fourier transform, Internet-of-Things, index modulation, intensity modulation and direct detection, optical wireless systems, orthogonal frequency-division multiplexing",

author = "Azim, {Ali Waqar} and {Le Guennec}, Yannis and Marwa Chafii and Laurent Ros",

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AU - Le Guennec, Yannis

AU - Chafii, Marwa

AU - Ros, Laurent

PY - 2021/5

Y1 - 2021/5

N2 - 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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KW - Internet-of-Things

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KW - intensity modulation and direct detection

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KW - orthogonal frequency-division multiplexing

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

Abstract

Keywords

ASJC Scopus subject areas

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