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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editors: O. Gerstel and P. Iannone
  • Vol. 6, Iss. 5 — May. 1, 2014
  • pp: 486–500

Design and Analysis of a Frame-Based Dynamic Bandwidth Allocation Scheme for Fiber-Wireless Broadband Access Networks

Chia-Lin Lai, Hui-Tang Lin, Hung-Hsin Chiang, and Yu-Chih Huang  »View Author Affiliations


Journal of Optical Communications and Networking, Vol. 6, Issue 5, pp. 486-500 (2014)
http://dx.doi.org/10.1364/JOCN.6.000486


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Abstract

The integration of Ethernet passive optical networks (EPONs) and broadband wireless access (BWA) networks, such as LTE and WiMAX, provides a promising solution for fixed mobile convergence architectures. The complementary features of these two network systems provide high bandwidth and mobility together with a low deployment cost. However, even though many hardware architectures have been proposed for integrated EPON/BWA networks, the problem of achieving an effective bandwidth division among the EPON and wireless traffic remains unresolved. Accordingly, the present study proposes a novel frame-based dynamic bandwidth allocation (FB-DBA) scheme to accommodate the different protocols of EPON and BWA networks, respectively, in an efficient manner. The proposed scheme adopts a framed approach, in which the time domains of the optical and wireless access networks are partitioned into contiguous frames of a fixed length. Within each frame, wireless traffic is transmitted in a pipeline fashion between the optical and wireless domains, which significantly reduces the delay of wireless traffic. Furthermore, sufficient network resources are provided to ensure the respective quality-of-service requirements of the EPON and wireless traffic. The performance of the proposed FB-DBA scheme is evaluated by means of a series of simulations based on an N-user M/G/1 queuing model. The numerical results confirm the efficiency and effectiveness of the proposed scheme.

© 2014 Optical Society of America

OCIS Codes
(060.4250) Fiber optics and optical communications : Networks
(060.4510) Fiber optics and optical communications : Optical communications

ToC Category:
Research Papers

History
Original Manuscript: October 3, 2013
Revised Manuscript: February 17, 2014
Manuscript Accepted: February 19, 2014
Published: April 18, 2014

Citation
Chia-Lin Lai, Hui-Tang Lin, Hung-Hsin Chiang, and Yu-Chih Huang, "Design and Analysis of a Frame-Based Dynamic Bandwidth Allocation Scheme for Fiber-Wireless Broadband Access Networks," J. Opt. Commun. Netw. 6, 486-500 (2014)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jocn-6-5-486

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