Karthikeyan Sundaresan Raghupathy Sivakumar Routing in ad-hoc networks with MIMO links: Optimization considerations and protocols. 2623-2644 2008 52 Computer Networks 14 http://dx.doi.org/10.1016/j.comnet.2008.05.005 db/journals/cn/cn52.html#SundaresanS08