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Bandwidth Efficient Hybrid Wireless-optical Broadband-access Network (WOBAN) Based on OFDM Transmission

机译:基于OFDM传输的高效带宽混合无线宽带接入网络(WOBAN)

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In this paper, a simple and bandwidth efficient hybrid wireless-optical broadband access network (WOBAN) based on orthogonal frequency division multiplexing (OFDM) is proposed and designed. It is an optimal combination of an optical backhaul and a wireless front-end for an efficient access network. The bandwidth efficient WOBAN based on OFDM provides an effective solution to eliminate intersymbol interference (ISI) caused by dispersive channels. There are two factors considered important here; multipath fading in wireless link and dispersion effects in fiber link. The physical layer performance is analyzed in terms of bit error rate (BER), error vector magnitude (EVM), and signal-to-noise ratio (SNR). An 8 Gb/s data rate has been achieved by the optical backhaul along optical fiber length of 20 km. The wireless front-end access point supports data rate up to 240 Mb/s along an outdoor wireless link.
机译:本文提出并设计了一种基于正交频分复用(OFDM)的简单且带宽高效的混合无线宽带接入网络(WOBAN)。它是光回程和无线前端的最佳组合,可实现高效的接入网络。基于OFDM的带宽高效WOBAN提供了一种有效的解决方案,以消除由色散信道引起的符号间干扰(ISI)。这里有两个重要的因素;无线链路中的多径衰落和光纤链路中的色散效应。根据误码率(BER),误码矢量幅度(EVM)和信噪比(SNR)来分析物理层性能。沿着20 km的光纤长度的光回程已实现8 Gb / s的数据速率。无线前端接入点通过室外无线链路支持最高240 Mb / s的数据速率。

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