Search Engines: - SCIRUS - ACM Portal - IEEE Explore - Elsevier ScienceDirect - Google Scholar - Springer Link - WILEY Online Library
Technology Websites: - The 3rd Generation Partnership Project (3GPP) 3gpp.org - The 3rd Generation Partnership Project 2 (3GPP2) 3gpp2.org - GSM World gsmworld.com - GSMA Mobile Broadband gsmamobilebroadband.com - Femto Forum femtoforum.com - LTE World lteworld.org - Think Femtocell thinkfemtocell.com - WiMAX Forum wimaxforum.org - UMTS Forum http://www.umts-forum.org/ - UMTS World umtsworld.com
Telecommunication Organizations: - Telecommunications Industry Association (TIA) - International Telecommunications Union (ITU) - The European Telecommunications Standards Institute (ETSI) - The Internet Engineering Task Force (IETF) - The Fixed-Mobile Convergence alliance (FMCA) - Institute of Electrical and Electronics Engineers (IEEE) - Open Mobile Alliance (OMA)
Network Simulators: - The ns2 Network Simulator isi.edu/nsnam/ns - The ns3 Network Simulator nsnam.org - OPNET opnet.com - OMNET++ omnetpp.org - NetSim tetcos.com/software