Numerical evaluation of PPM for deep-space links

Atsushi Waseda; Masahide Sasaki; Masahiro Takeoka; Mikio Fujiwara; Morio Toyoshima; Antonio Assalini

doi:10.1364/JOCN.3.000514

Numerical evaluation of PPM for deep-space links

Atsushi Waseda, Masahide Sasaki, Masahiro Takeoka, Mikio Fujiwara, Morio Toyoshima, Antonio Assalini

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

23 Citations (Scopus)

Abstract

We numerically evaluate the deep-space communication performance in a broadband lossy channel of coherent pulse position modulation (PPM) with an on/off receiver, single-symbol square root detection, and Holevo information. We also consider quadrature amplitude modulation (QAM) signals and phase-shift keying signals with dyne-type detections. We show the quantitative gap between these detection strategies in terms of the capacity, particularly in the quantum-limited region where the quantum noise seriously limits the transmission rate. In particular, we find that for an extremely weak signal input power, use of a multilevel PPM system is a good strategy, whereas for an extremely strong signal, use of a multilevel QAM system is recommended.

Original language	English
Article number	5771616
Pages (from-to)	514-521
Number of pages	8
Journal	Journal of Optical Communications and Networking
Volume	3
Issue number	6
DOIs	https://doi.org/10.1364/JOCN.3.000514
Publication status	Published - 2011 Jun
Externally published	Yes

Keywords

Free-space communication
Pulse position modulation
Transmission rate

ASJC Scopus subject areas

Computer Networks and Communications

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10.1364/JOCN.3.000514

Cite this

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abstract = "We numerically evaluate the deep-space communication performance in a broadband lossy channel of coherent pulse position modulation (PPM) with an on/off receiver, single-symbol square root detection, and Holevo information. We also consider quadrature amplitude modulation (QAM) signals and phase-shift keying signals with dyne-type detections. We show the quantitative gap between these detection strategies in terms of the capacity, particularly in the quantum-limited region where the quantum noise seriously limits the transmission rate. In particular, we find that for an extremely weak signal input power, use of a multilevel PPM system is a good strategy, whereas for an extremely strong signal, use of a multilevel QAM system is recommended.",

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AU - Waseda, Atsushi

AU - Sasaki, Masahide

AU - Takeoka, Masahiro

AU - Fujiwara, Mikio

AU - Toyoshima, Morio

AU - Assalini, Antonio

PY - 2011/6

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N2 - We numerically evaluate the deep-space communication performance in a broadband lossy channel of coherent pulse position modulation (PPM) with an on/off receiver, single-symbol square root detection, and Holevo information. We also consider quadrature amplitude modulation (QAM) signals and phase-shift keying signals with dyne-type detections. We show the quantitative gap between these detection strategies in terms of the capacity, particularly in the quantum-limited region where the quantum noise seriously limits the transmission rate. In particular, we find that for an extremely weak signal input power, use of a multilevel PPM system is a good strategy, whereas for an extremely strong signal, use of a multilevel QAM system is recommended.

AB - We numerically evaluate the deep-space communication performance in a broadband lossy channel of coherent pulse position modulation (PPM) with an on/off receiver, single-symbol square root detection, and Holevo information. We also consider quadrature amplitude modulation (QAM) signals and phase-shift keying signals with dyne-type detections. We show the quantitative gap between these detection strategies in terms of the capacity, particularly in the quantum-limited region where the quantum noise seriously limits the transmission rate. In particular, we find that for an extremely weak signal input power, use of a multilevel PPM system is a good strategy, whereas for an extremely strong signal, use of a multilevel QAM system is recommended.

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Numerical evaluation of PPM for deep-space links

Abstract

Keywords

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