Experimental investigation of modulation method for visible-light communications

Hidemitsu Sugiyama; Shinichiro Haruyama; Masao Nakagawa

doi:10.1093/ietcom/e89-b.12.3393

Experimental investigation of modulation method for visible-light communications

Hidemitsu Sugiyama, Shinichiro Haruyama, Masao Nakagawa

Graduate School of System Design and Management

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

52 Citations (Scopus)

Abstract

We have developed a new modulation method - inverted pulse position modulation (I-PPM) and subcarrier inverted pulse position modulation (SC-I-PPM) - that provides superior LED brightness for visible-light communications. In addition, the new modulation method SC-I-PPM is not affected by background light. In this paper, we investigated several modulation methods in details and set up a standard with which to evaluate the performance of modulation methods. Several modulation methods are subjected to experiments to clarify their performance. Experiments show that subcarrier modulation suppresses the influence of background light and that our new modulation best maintains LED brightest.

Original language	English
Pages (from-to)	3393-3400
Number of pages	8
Journal	IEICE Transactions on Communications
Volume	E89-B
Issue number	12
DOIs	https://doi.org/10.1093/ietcom/e89-b.12.3393
Publication status	Published - 2006 Dec

Keywords

LED
Modulation
Optical wireless communication
PPM
Visible-light communication

ASJC Scopus subject areas

Software
Computer Networks and Communications
Electrical and Electronic Engineering

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10.1093/ietcom/e89-b.12.3393

Cite this

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abstract = "We have developed a new modulation method - inverted pulse position modulation (I-PPM) and subcarrier inverted pulse position modulation (SC-I-PPM) - that provides superior LED brightness for visible-light communications. In addition, the new modulation method SC-I-PPM is not affected by background light. In this paper, we investigated several modulation methods in details and set up a standard with which to evaluate the performance of modulation methods. Several modulation methods are subjected to experiments to clarify their performance. Experiments show that subcarrier modulation suppresses the influence of background light and that our new modulation best maintains LED brightest.",

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AU - Sugiyama, Hidemitsu

AU - Haruyama, Shinichiro

AU - Nakagawa, Masao

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Y1 - 2006/12

N2 - We have developed a new modulation method - inverted pulse position modulation (I-PPM) and subcarrier inverted pulse position modulation (SC-I-PPM) - that provides superior LED brightness for visible-light communications. In addition, the new modulation method SC-I-PPM is not affected by background light. In this paper, we investigated several modulation methods in details and set up a standard with which to evaluate the performance of modulation methods. Several modulation methods are subjected to experiments to clarify their performance. Experiments show that subcarrier modulation suppresses the influence of background light and that our new modulation best maintains LED brightest.

AB - We have developed a new modulation method - inverted pulse position modulation (I-PPM) and subcarrier inverted pulse position modulation (SC-I-PPM) - that provides superior LED brightness for visible-light communications. In addition, the new modulation method SC-I-PPM is not affected by background light. In this paper, we investigated several modulation methods in details and set up a standard with which to evaluate the performance of modulation methods. Several modulation methods are subjected to experiments to clarify their performance. Experiments show that subcarrier modulation suppresses the influence of background light and that our new modulation best maintains LED brightest.

KW - LED

KW - Modulation

KW - Optical wireless communication

KW - PPM

KW - Visible-light communication

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Experimental investigation of modulation method for visible-light communications

Abstract

Keywords

ASJC Scopus subject areas

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