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Proceedings Paper

Proposal of adaptive wireless cell configuration for RoF-DAS over WDM-PON system
Author(s): Tatsuhiko Iwakuni; Kenji Miyamoto; Takeshi Higashino; Katsutoshi Tsukamoto; Shozo Komaki; Takayoshi Tashiro; Youichi Fukada; Jun-ichi Kani; Naoto Yoshimoto; Katsumi Iwatsuki
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Paper Abstract

Radio on fiber (RoF) - distributed antenna system (DAS) over wavelength division multiplexing - passive optical network (WDM-PON) with multiple - input multiple - output (MIMO) has been proposed as a next generation radio access network (RAN). This system employs optical time division multiplexing (OTDM) over one WDM channel to multiplex and transmit various types of wireless interfaces such as 3.9G, Wireless LAN and WiMAX. A combination of star and bus topologies has employed to cover a wider service area. The optical transmission loss is caused notably at remote base stations (RBSs) quipped on a WDM bus link. The loss is relatively small, but at the RBS far from the center station (CS), the RBS suffers the large accumulated loss, so the reduction of cell size provides the increasing of the number of RBSs, causes the degradation of the SNR of RoF link. This paper addresses this trade-off problem, and considers the application to the actual service area by the channel capacity investigation of RoF-DAS over WDM-PON with computer simulation. Then, this paper focuses on the flexibility of RoF-DAS over WDM-PON, considers the adaptive wireless cell configuration according to population fluctuations of day and night, or densely populated areas and sparsely populated areas, respectively.

Paper Details

Date Published: 4 February 2013
PDF: 6 pages
Proc. SPIE 8645, Broadband Access Communication Technologies VII, 86450K (4 February 2013); doi: 10.1117/12.2006223
Show Author Affiliations
Tatsuhiko Iwakuni, Osaka Univ. (Japan)
Kenji Miyamoto, NTT Access Network Service System Labs. (Japan)
Takeshi Higashino, Nara Institute of Science and Technology (Japan)
Katsutoshi Tsukamoto, Osaka Institute of Technology (Japan)
Shozo Komaki, Malaysia-Japan International Institute of Technology (Malaysia)
Takayoshi Tashiro, NTT Access Network Service System Labs. (Japan)
Youichi Fukada, NTT Access Network Service System Labs. (Japan)
Jun-ichi Kani, NTT Access Network Service System Labs. (Japan)
Naoto Yoshimoto, NTT Access Network Service System Labs. (Japan)
Katsumi Iwatsuki, Tohoku Univ. (Japan)

Published in SPIE Proceedings Vol. 8645:
Broadband Access Communication Technologies VII
Benjamin B. Dingel; Raj Jain; Katsutoshi Tsukamoto, Editor(s)

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