Mehmet Emin Aydin Raymond Kwan Cyril Leung Jie Zhang Multiuser Scheduling in HSDPA with Particle Swarm Optimization. 71-80 2009 EvoWorkshops http://dx.doi.org/10.1007/978-3-642-01129-0_8 conf/evoW/2009 db/conf/evoW/evoW2009.html#AydinKLZ09