Puerto Gustavo, Mora José, Ortega Beatriz, Capmany José
ITEAM Research Institute, Universidad Politécnica de Valencia, 46022 Valencia, Spain.
Opt Express. 2010 Dec 6;18(25):26196-205. doi: 10.1364/OE.18.026196.
This paper presents different strategies to define the architecture of a Radio-Over-Fiber (RoF) Access networks enabling Peer-to-Peer (P2P) functionalities. The architectures fully exploit the flexibility of a wavelength router based on the feedback configuration of an Arrayed Waveguide Grating (AWG) and an optical switch to broadcast P2P services among diverse infrastructures featuring dynamic channel allocation and enabling an optical platform for 3G and beyond wireless backhaul requirements. The first architecture incorporates a tunable laser to generate a dedicated wavelength for P2P purposes and the second architecture takes advantage of reused wavelengths to enable the P2P connectivity among Optical Network Units (ONUs) or Base Stations (BS). While these two approaches allow the P2P connectivity in a one at a time basis (1:1), the third architecture enables the broadcasting of P2P sessions among different ONUs or BSs at the same time (1:M). Experimental assessment of the proposed architecture shows approximately 0.6% Error Vector Magnitude (EVM) degradation for wireless services and 1 dB penalty in average for 1 x 10(-12) Bit Error Rate (BER) for wired baseband services.
本文提出了不同的策略来定义支持对等（P2P）功能的光纤无线（RoF）接入网络的架构。这些架构基于阵列波导光栅（AWG）和光开关的反馈配置，充分利用波长路由器的灵活性，以便在具有动态信道分配的各种基础设施之间广播P2P服务，并为3G及以后的无线回程需求提供一个光平台。第一种架构采用可调谐激光器为P2P目的生成专用波长，第二种架构利用复用波长实现光网络单元（ONU）或基站（BS）之间的P2P连接。虽然这两种方法允许一次实现一个的P2P连接（1:1），但第三种架构能够同时在不同的ONU或BS之间广播P2P会话（1:M）。对所提出架构的实验评估表明，无线服务的误差矢量幅度（EVM）下降约0.6%，有线基带服务在误码率（BER）为1×10^(-12)时平均有1 dB的代价。
