Rainer Schoenen Rüdiger Halfmann Bernhard Walke An FDD Multihop Cellular Network for 3GPP-LTE. 1990-1994 2008 VTC Spring http://dx.doi.org/10.1109/VETECS.2008.449 conf/vtc/2008s db/conf/vtc/vtc2008s.html#SchoenenHW08