@article {09-WT-B-WCDMADownlinkinLongTunnels, title = {Downlink capacity and interference statistics of wideband code division multiple access microcells for trains in long tunnels}, journal = {IET Communications}, volume = {3}, number = {4}, year = {2009}, pages = {603-609}, url = {http://dx.doi.org/10.1049/iet-com.2008.0356}, author = {B Taha-Ahmed and Miguel Calvo-Ram{\'o}n} }