PC based precision timing without GPS
SIGMETRICS '02 Proceedings of the 2002 ACM SIGMETRICS international conference on Measurement and modeling of computer systems
Bandwidth estimation in broadband access networks
Proceedings of the 4th ACM SIGCOMM conference on Internet measurement
SIP-Based Mobility Architecture for Next Generation Wireless Networks
PERCOM '05 Proceedings of the Third IEEE International Conference on Pervasive Computing and Communications
An integrated experimental environment for distributed systems and networks
OSDI '02 Proceedings of the 5th symposium on Operating systems design and implementationCopyright restrictions prevent ACM from being able to make the PDFs for this conference available for downloading
Impact of paging channel overloads or attacks on a cellular network
WiSe '06 Proceedings of the 5th ACM workshop on Wireless security
A beyond 3G real-time testbed for an All-IP heterogeneous network
Proceedings of the 5th ACM international workshop on Mobility management and wireless access
The real-time AROMA testbed for all-IP heterogeneous wireless access networks
Proceedings of the 4th International Conference on Testbeds and research infrastructures for the development of networks & communities
A reconfigurable framework for experimental analysis of single and multi hop WLANs
WOWMOM '08 Proceedings of the 2008 International Symposium on a World of Wireless, Mobile and Multimedia Networks
SIP-based vertical handoff between WWANs and WLANs
IEEE Wireless Communications
SIP-based mobility management in next generation networks
IEEE Wireless Communications
Mobility Testbed for 3GPP2-Based Multimedia Domain Networks
IEEE Communications Magazine
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A large number of wireless technologies and networks have been introduced in the telecommunication world during the last few years. Many protocols and applications (e.g., TCP, VoIP) are not specifically designed for such a variety of wireless protocols; therefore they require a deeper analysis to understand their behaviour over those radio protocols. Performance analysis in close-to-real environment represents a valid method to evaluate and model the behaviour of such protocols and applications for their improvement. This paper presents a wireless heterogeneous testbed that allows experimentation of WLANs and cellular networks in a laboratory. The paper describes also the assessment and the calibration of the testbed. It presents an extensive comparison with a commercial 3G network. Finally, the paper also presents two case studies in order to highlight the benefits of conducting experimental research in an in-lab fully controlled platform.