Optical intensity modulation direct detection versus heterodyne detection: A high-SNR capacity comparison

Anas Chaaban; Mohamed-Slim Alouini

doi:10.1109/COMNET.2015.7566632

Optical intensity modulation direct detection versus heterodyne detection: A high-SNR capacity comparison

Anas Chaaban, Mohamed-Slim Alouini

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

8 Scopus citations

Abstract

An optical wireless communications system which employs either intensity-modulation and direct-detection (IM-DD) or heterodyne detection (HD) is considered. IM-DD has lower complexity and cost than HD, but on the other hand, has lower capacity. It is therefore interesting to investigate the capacity gap between the two systems. The main focus of this paper is to investigate this gap at high SNR. Bounds on this gap are established for two cases: between IM-DD and HD, and between IM-DD and an HD-PAM which is an HD system employing pulse-amplitude modulation (PAM). While the gap between IM-DD and HD increases as the signal-to-noise ratio (SNR) increases, the gap between IM-DD and an HD-PAM is upper bounded by a constant at high SNR. © 2015 IEEE.

Original language	English (US)
Title of host publication	2015 5th International Conference on Communications and Networking (COMNET)
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
ISBN (Print)	9781509001965
DOIs	https://doi.org/10.1109/COMNET.2015.7566632
State	Published - Sep 15 2016

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledgements: This work is supported in part by King Abdulaziz City of Science and Technology (KACST) under grant AT-34-145

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10.1109/COMNET.2015.7566632

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title = "Optical intensity modulation direct detection versus heterodyne detection: A high-SNR capacity comparison",

abstract = "An optical wireless communications system which employs either intensity-modulation and direct-detection (IM-DD) or heterodyne detection (HD) is considered. IM-DD has lower complexity and cost than HD, but on the other hand, has lower capacity. It is therefore interesting to investigate the capacity gap between the two systems. The main focus of this paper is to investigate this gap at high SNR. Bounds on this gap are established for two cases: between IM-DD and HD, and between IM-DD and an HD-PAM which is an HD system employing pulse-amplitude modulation (PAM). While the gap between IM-DD and HD increases as the signal-to-noise ratio (SNR) increases, the gap between IM-DD and an HD-PAM is upper bounded by a constant at high SNR. {\textcopyright} 2015 IEEE.",

author = "Anas Chaaban and Mohamed-Slim Alouini",

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Optical intensity modulation direct detection versus heterodyne detection: A high-SNR capacity comparison. / Chaaban, Anas; Alouini, Mohamed-Slim.
2015 5th International Conference on Communications and Networking (COMNET). Institute of Electrical and Electronics Engineers (IEEE), 2016.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

TY - GEN

T1 - Optical intensity modulation direct detection versus heterodyne detection: A high-SNR capacity comparison

AU - Chaaban, Anas

AU - Alouini, Mohamed-Slim

N1 - KAUST Repository Item: Exported on 2020-10-01 Acknowledgements: This work is supported in part by King Abdulaziz City of Science and Technology (KACST) under grant AT-34-145

PY - 2016/9/15

Y1 - 2016/9/15

N2 - An optical wireless communications system which employs either intensity-modulation and direct-detection (IM-DD) or heterodyne detection (HD) is considered. IM-DD has lower complexity and cost than HD, but on the other hand, has lower capacity. It is therefore interesting to investigate the capacity gap between the two systems. The main focus of this paper is to investigate this gap at high SNR. Bounds on this gap are established for two cases: between IM-DD and HD, and between IM-DD and an HD-PAM which is an HD system employing pulse-amplitude modulation (PAM). While the gap between IM-DD and HD increases as the signal-to-noise ratio (SNR) increases, the gap between IM-DD and an HD-PAM is upper bounded by a constant at high SNR. © 2015 IEEE.

AB - An optical wireless communications system which employs either intensity-modulation and direct-detection (IM-DD) or heterodyne detection (HD) is considered. IM-DD has lower complexity and cost than HD, but on the other hand, has lower capacity. It is therefore interesting to investigate the capacity gap between the two systems. The main focus of this paper is to investigate this gap at high SNR. Bounds on this gap are established for two cases: between IM-DD and HD, and between IM-DD and an HD-PAM which is an HD system employing pulse-amplitude modulation (PAM). While the gap between IM-DD and HD increases as the signal-to-noise ratio (SNR) increases, the gap between IM-DD and an HD-PAM is upper bounded by a constant at high SNR. © 2015 IEEE.

UR - http://hdl.handle.net/10754/622441

UR - http://ieeexplore.ieee.org/document/7566632/

UR - http://www.scopus.com/inward/record.url?scp=84991777399&partnerID=8YFLogxK

U2 - 10.1109/COMNET.2015.7566632

DO - 10.1109/COMNET.2015.7566632

M3 - Conference contribution

SN - 9781509001965

BT - 2015 5th International Conference on Communications and Networking (COMNET)

PB - Institute of Electrical and Electronics Engineers (IEEE)

ER -

Optical intensity modulation direct detection versus heterodyne detection: A high-SNR capacity comparison

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