1. [1] FCC, Second Report and Order, FCC Docket no.07-132, Aug. 2007.
2. [2] FCC, Third Further Notice of Proposed Rulemaking, FCC Docket no.08-230, Sept. 2008.
3. [3] K. Johansson, M. Kristensson, and U. Schwarz, “Radio resource management in roaming based multi-operator WCDMA networks,” Proc. IEEE Vehicular Technology Conf., Milan, Italy, May 2004.
4. [4] S. AlQahtani, A.S. Mahmoud, and A.U. Sheikh, “Adaptive radio resource with borrowing for multi-operators 3G+ wireless networks with heterogeneous traffic,” Computer Commun., vol.29, pp.2945-2951, 2006.
5. Public safety and commercial spectrum sharing via network pricing and admission control