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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editors: K. Bergman and O. Gerstel
  • Vol. 6, Iss. 1 — Jan. 1, 2014
  • pp: 8–17

Experimental Full Duplex Simultaneous Transmission of LTE Over a DWDM Directly Modulated RoF System

Thavamaran Kanesan, Wai Pang Ng, Zabih Ghassemlooy, and Chao Lu  »View Author Affiliations


Journal of Optical Communications and Networking, Vol. 6, Issue 1, pp. 8-17 (2014)
http://dx.doi.org/10.1364/JOCN.6.000008


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Abstract

In this paper, we experimentally demonstrate the seamless integration of full duplex system frequency division duplex (FDD) long-term evolution (LTE) technology with radio over fiber (RoF) for eNodeB (eNB) coverage extension. LTE is composed of quadrature phase-shift keying (QPSK), 16-quadrature amplitude modulation (16-QAM) and 64-QAM, modulated onto orthogonal frequency division multiplexing (OFDM) and single-carrier-frequency division multiplexing for downlink (DL) and uplink (UL) transmissions, respectively. The RoF system is composed of dedicated directly modulated lasers for DL and UL with dense wavelength division multiplexing (DWDM) for instantaneous connections and for Rayleigh backscattering and nonlinear interference mitigation. DL and UL signals have varying carrier frequencies and are categorized as broad frequency spacing (BFS), intermediate frequency spacing (IFS), and narrow frequency spacing (NFS). The adjacent channel leakage ratio (ACLR) for DL and UL with 64-QAM are similar for all frequency spacings while cross talk is observed for NFS. For the best case scenario for DL and UL transmissions we achieve error vector magnitude (EVM) values of 2.30%, 2.33%, and 2.39% for QPSK, 16-QAM, and 64-QAM, respectively, while for the worst case scenario with a NFS EVM is increased by 0.40% for all schemes.

© 2013 Optical Society of America

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.4080) Fiber optics and optical communications : Modulation
(060.4230) Fiber optics and optical communications : Multiplexing
(060.5625) Fiber optics and optical communications : Radio frequency photonics

ToC Category:
Research Papers

History
Original Manuscript: April 30, 2013
Revised Manuscript: September 9, 2013
Manuscript Accepted: October 11, 2013
Published: December 10, 2013

Citation
Thavamaran Kanesan, Wai Pang Ng, Zabih Ghassemlooy, and Chao Lu, "Experimental Full Duplex Simultaneous Transmission of LTE Over a DWDM Directly Modulated RoF System," J. Opt. Commun. Netw. 6, 8-17 (2014)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jocn-6-1-8

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