Simon C. Borst Arumugam Buvaneswari Lawrence M. Drabeck Michael J. Flanagan John M. Graybeal Georg K. Hampel Mark Haner William M. MacDonald Paul A. Polakos Gee Rittenhouse Iraj Saniee Alan Weiss Philip A. Whiting Dynamic optimization in future cellular networks. 99-119 2005 10 Bell Labs Technical Journal 2 http://dx.doi.org/10.1002/bltj.20096 db/journals/bell/bell10.html#BorstBDFGHHMPRSWW05