Abstract

Virtual carrier (VC)-assisted multiband orthogonal frequency division multiplexing (MB-OFDM) schemes with improved tolerance to the four-wave mixing (FWM) effect in direct-direction ultradense wavelength division multiplexing metro-access networks are proposed and discussed. The best scheme is identified from a set of alternative schemes chosen with potential to increase the tolerance to the FWM effect in VC-assisted MB-OFDM systems. A data rate per band and per user of the metro-access network of 10 and 25 Gb/s is considered for band spacings of 3.125 and 6.25 GHz, respectively. With the proposed MB-OFDM schemes, increase of the maximum acceptable power launched into the fiber can be achieved. This increase translates into a similar power budget (PB) improvement. With band spacings of 3.125 GHz, a PB improvement of 3 dB is achieved, which enables to double the number of users served by the metro-access network or to extend the reach of the optical distribution network (ODN) by about 12 km. For a 6.25-GHz band spacing, a PB improvement exceeding 4 dB is achieved, enabling to double the number of users and simultaneously extend the ODN coverage by about 5 km.

Metro-access integrated network based on optical OFDMA with dynamic sub-carrier allocation and power distribution

Chongfu Zhang, Qiongli Zhang, Chen Chen, Ning Jiang, Deming Liu, Kun Qiu, Shuang Liu, and Baojian Wu
Opt. Express 21(2) 2474-2479 (2013)

Spectrally efficient localized carrier distribution scheme for multiple-user DFT-S OFDM RoF- PON wireless access systems

Li Tao, Jianjun Yu, Qi Yang, Ming Luo, Zhixue He, Yufeng Shao, Junwen Zhang, and Nan Chi
Opt. Express 20(28) 29665-29672 (2012)

Symmetric Terabit WDM Pre-DFT OFDM access network using PCF-supercontinuum

Bo Liu, Lijia Zhang, Xiangjun Xin, and Jianjun Yu
Opt. Express 20(22) 24356-24363 (2012)

DC-Biased Optical OFDM for IM/DD Passive Optical Network Systems

M. F. Sanya, L. Djogbe, A. Vianou, and C. Aupetit-Berthelemot
J. Opt. Commun. Netw. 7(4) 205-214 (2015)

First demonstration of OFDM ECDMA for low cost optical access networks

X. Guo, Q. Wang, X. Li, L. Zhou, L. Fang, A. Wonfor, J. L. Wei, J. von Lindeiner, R. V. Penty, and I. H. White
Opt. Lett. 40(10) 2353-2356 (2015)