Mitigation techniques of channel collisions in the TTFR-based asynchronous Spectral Phase-Encoded Time-Spreading (SPECTS) optical CDMA system

Takaya Miyazawa; Fei Xue; S. J.Ben Yoo; Iwao Sasase

doi:10.1109/ICC.2006.255177

Mitigation techniques of channel collisions in the TTFR-based asynchronous Spectral Phase-Encoded Time-Spreading (SPECTS) optical CDMA system

Takaya Miyazawa, Fei Xue, S. J.Ben Yoo, Iwao Sasase

Department of Information and Computer Science

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

Abstract

In this paper, we propose a spectral-slice scheme and a chip-level detection for the TTFR-based asynchronous SPECTS-OCDMA system combined with time-encoding. The spectral-slice scheme can reduce the interference probability because the MAI with the different frequency has no adverse effects on the channel collision rate. Moreover, the chip-level detection can enhance the tolerance of MAI because the channel collision does not occur as long as either of the detection time positions receives no MAI. As a result, these techniques mitigate channel collisions. We analyze the channel collision rate theoretically, and show that the proposed system can achieve a lower channel collision rate in comparison with the conventional systems.

Original language	English
Title of host publication	2006 IEEE International Conference on Communications, ICC 2006
Pages	2636-2641
Number of pages	6
DOIs	https://doi.org/10.1109/ICC.2006.255177
Publication status	Published - 2006 Dec 1
Event	2006 IEEE International Conference on Communications, ICC 2006 - Istanbul, Turkey Duration: 2006 Jul 11 → 2006 Jul 15

Publication series

Name	IEEE International Conference on Communications
Volume	6
ISSN (Print)	0536-1486

Other

Other	2006 IEEE International Conference on Communications, ICC 2006
Country/Territory	Turkey
City	Istanbul
Period	06/7/11 → 06/7/15

ASJC Scopus subject areas

Computer Networks and Communications
Electrical and Electronic Engineering

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10.1109/ICC.2006.255177

Cite this

Miyazawa, T., Xue, F., Yoo, S. J. B., & Sasase, I. (2006). Mitigation techniques of channel collisions in the TTFR-based asynchronous Spectral Phase-Encoded Time-Spreading (SPECTS) optical CDMA system. In 2006 IEEE International Conference on Communications, ICC 2006 (pp. 2636-2641). Article 4024573 (IEEE International Conference on Communications; Vol. 6). https://doi.org/10.1109/ICC.2006.255177

Mitigation techniques of channel collisions in the TTFR-based asynchronous Spectral Phase-Encoded Time-Spreading (SPECTS) optical CDMA system. / Miyazawa, Takaya; Xue, Fei; Yoo, S. J.Ben et al.
2006 IEEE International Conference on Communications, ICC 2006. 2006. p. 2636-2641 4024573 (IEEE International Conference on Communications; Vol. 6).

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

Miyazawa, T, Xue, F, Yoo, SJB & Sasase, I 2006, Mitigation techniques of channel collisions in the TTFR-based asynchronous Spectral Phase-Encoded Time-Spreading (SPECTS) optical CDMA system. in 2006 IEEE International Conference on Communications, ICC 2006., 4024573, IEEE International Conference on Communications, vol. 6, pp. 2636-2641, 2006 IEEE International Conference on Communications, ICC 2006, Istanbul, Turkey, 06/7/11. https://doi.org/10.1109/ICC.2006.255177

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abstract = "In this paper, we propose a spectral-slice scheme and a chip-level detection for the TTFR-based asynchronous SPECTS-OCDMA system combined with time-encoding. The spectral-slice scheme can reduce the interference probability because the MAI with the different frequency has no adverse effects on the channel collision rate. Moreover, the chip-level detection can enhance the tolerance of MAI because the channel collision does not occur as long as either of the detection time positions receives no MAI. As a result, these techniques mitigate channel collisions. We analyze the channel collision rate theoretically, and show that the proposed system can achieve a lower channel collision rate in comparison with the conventional systems.",

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AB - In this paper, we propose a spectral-slice scheme and a chip-level detection for the TTFR-based asynchronous SPECTS-OCDMA system combined with time-encoding. The spectral-slice scheme can reduce the interference probability because the MAI with the different frequency has no adverse effects on the channel collision rate. Moreover, the chip-level detection can enhance the tolerance of MAI because the channel collision does not occur as long as either of the detection time positions receives no MAI. As a result, these techniques mitigate channel collisions. We analyze the channel collision rate theoretically, and show that the proposed system can achieve a lower channel collision rate in comparison with the conventional systems.

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Mitigation techniques of channel collisions in the TTFR-based asynchronous Spectral Phase-Encoded Time-Spreading (SPECTS) optical CDMA system

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