Alessandro Tarello Jun Sun 0007 Murtaza Zafer Eytan Modiano Minimum Energy Transmission Scheduling Subject to Deadline Constraints. 67-76 2005 conf/wiopt/2005 WiOpt http://csdl.computer.org/comp/proceedings/wiopt/2005/2267/00/22670067abs.htm db/conf/wiopt/wiopt2005.html#TarelloSZM05