Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/7635
Title: Experimental full duplex simultaneous transmission of LTE over a DWDM directly modulated RoF system
Authors: Kanesan, T
Ng, WP
Ghassemlooy, Z
Lu, C 
Keywords: Frequency division duplex
Full duplex
Long term evolution
OFDM
Radio-over-fiber
Relay node
Issue Date: 2014
Publisher: Optical Soc Amer
Source: Journal of optical communications and networking, 2014, v. 6, no. 1, 6725819, p. 8-17 How to cite?
Journal: Journal of Optical Communications and Networking 
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.
URI: http://hdl.handle.net/10397/7635
ISSN: 1943-0620
DOI: 10.1364/JOCN.6.000008
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