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Non-orthogonal optical multicarrier access based on filter bank and SCMA

Non-orthogonal optical multicarrier access based on filter bank and SCMA

Bo Liu,1,2 Lijia Zhang,1,2,* and Xiangjun Xin1,2

1State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and

Telecommunications, Beijing 100876, China

2School of Electronic Engineering, Beijing University of Posts and Telecommunication, Beijing 100876, China

*zhanglijiabupt@http://www.wendangku.net/doc/678eb207abea998fcc22bcd126fff705cc175c26.html

Abstract: This paper proposes a novel non-orthogonal optical multicarrier

access system based on filter bank and sparse code multiple access

(SCMA). It offers released frequency offset and better spectral efficiency

for multicarrier access. An experiment of 73.68 Gb/s filter bank-based

multicarrier (FBMC) SCMA system with 60 km single mode fiber link is

performed to demonstrate the feasibility. The comparison between fast

Fourier transform (FFT) based multicarrier and the proposed scheme is also

investigated in the experiment.

©2015 Optical Society of America

OCIS codes: (060.4510) Optical communications; (060.4250) Networks; (060.4080)

Modulation.

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1. Introduction

The exponentially growth of traffic demand is pushing network bandwidth requirement even further. In order to cope with this demand, access network is moving from the conventional

#249043 Received 31 Aug 2015; revised 27 Sep 2015; accepted 5 Oct 2015; published 8 Oct 2015 (C) 2015 OSA19 Oct 2015 | Vol. 23, No. 21 | DOI:10.1364/OE.23.027335 | OPTICS EXPRESS 27335