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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editors: K. Bergman and V. Chan
  • Vol. 3, Iss. 10 — Oct. 1, 2011
  • pp: 790–796

New Hierarchical Architecture for Ubiquitous Wireless Sensing and Access With Improved Coverage Using CWDM-ROF Links

Xiaoqiang Sun, Kun Xu, Xi Shen, Yan Li, Yitang Dai, Jian Wu, and Jintong Lin  »View Author Affiliations

Journal of Optical Communications and Networking, Vol. 3, Issue 10, pp. 790-796 (2011)

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A novel hierarchical architecture for hybrid wireless sensor and access networks has been proposed based on cost-effective radio-over-fiber (ROF) links with the coarse wavelength-division-multiplexing (CWDM) technique. Wireless fidelity (WiFi) signals are distributed to the remote radio units transparently over optical fibers in a star-shaped network topology. The wireless access traffic together with the perceiving usage scenarios including video monitoring and temperature sensing has been successfully demonstrated in the hybrid IEEE 802.11 and 802.15.4 networks. The transmission performance of the CWDM-ROF links is evaluated in terms of the error-vector magnitude (EVM) and data throughput for both uplinks and downlinks. The results show that the WiFi signals are successfully delivered through the CWDM-ROF links including a 4.5 km fiber and a 7 m wireless channel with a 3% EVM penalty. This CWDM-ROF technology can expand the application range of wireless sensor networks with the advantages of better capacity, larger coverage area, and lower investment on wired infrastructure.

© 2011 OSA

OCIS Codes
(280.0280) Remote sensing and sensors : Remote sensing and sensors
(060.5625) Fiber optics and optical communications : Radio frequency photonics

ToC Category:
Research Papers

Original Manuscript: May 4, 2011
Revised Manuscript: July 29, 2011
Manuscript Accepted: August 5, 2011
Published: September 16, 2011

Xiaoqiang Sun, Kun Xu, Xi Shen, Yan Li, Yitang Dai, Jian Wu, and Jintong Lin, "New Hierarchical Architecture for Ubiquitous Wireless Sensing and Access With Improved Coverage Using CWDM-ROF Links," J. Opt. Commun. Netw. 3, 790-796 (2011)

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