1. K. Johansson, M. Kristensson, U. Schwarz, Radio resource management for roaming based multi-operator WCDMA networks, in: The Proceedings of the IEEE Vehicular Technology Conference VTC, spring 2004.
2. S. AlQahtani, U. Baroudi, An uplink performance evaluation for roaming-based multi-operator WCDMA cellular networks, in: The 4th ACS/IEEE International Conference on Computer Systems and Applications, Dubai/Sharjah, UAE, March 8–11, 2006.
3. S. AlQahtani, U. Baroudi, An uplink admission control for 3G and beyond roaming based multi-operator cellular wireless networks with multi-services, in: The 4th ACS/IEEE International Conference on Computer Systems and Applications, Dubai/Sharjah, UAE, March 8–11, 2006.
4. Third Generation Partnership Project (3GPP), Technical specification group (TSG) RAN3, “Network sharing; architecture and functional description (Release 6)”, Technical specification TS 23.251, version 2.0.0, June 2004.
5. Siemens AG, 3G Infrastructure sharing—the siemens perspective, Available at .