1. Niebert N. et al (2004) Ambient networks: An architecture for communication networks beyond 3G. IEEE Wireless Communication 11: 14–22
2. http://www.ist-winner.org/ “Impact of cooperation schemes between RANs” final deliverable, IST-2003-507581 WINNER D4.4 v1.0.
3. http://www.itu.int/osg/spu/ni/ubiquitous/Papers/UNSJapanCaseStudy.pdf .
4. Yang, J., & Ping, Z. (2004, September). MUSE: A vision for 4G service and architecture. Paper Presented at the 60th IEEE Vehicular Technology Conference, VTC, Los Angeles.
5. 3GPP Technical Specification Group Services and System Aspects, 3GPP System Architecture Evolution: Report on Technical Options and Conclusions (TR 23.882), v1.3.0 August 2006.