2Rahul lyer, Joseph Zero, David Schneider, el al. Small Cells, Big Challenge: A Definitive Guide to Designing and Deploying HelNets[M]. California:lxia, 2014:1-141.
3Liyanage M, Gurtov A. Secured VPN Models for I,TE Backhaul Net-works [ C ]. IEEE Vehicular Technology confrenee. IEEE, 2012:1-5.
4Ed Harstead. Reinforcing Mobile Baekhaul With GPON[J]. OSP Magazine. 2014( 1 ) :22.
5Ranaweera C S, lannone P P. Oikonomou K N, et al. Cost optimiza- tion of fiber deployment for small cell baekhaul [C]. Optical Fiber Communication Comferenee and Exposition and tile National Fillet Optic Engineers Conference. I EEE. 2013:1-3.