The presence of physical obstacles and radio interference results in the so called “shadow regions” in wireless networks. When a mobile station roams into a shadow region, it ...
Dongyan Chen, Sachin Garg, Chandra M. R. Kintala, ...
Abstract—Current mobile devices are often equipped with several network interfaces, which may be of different access technologies, both wireless and cellular. Different requireme...
Jukka Ylitalo, Tony Jokikyyny, Tero Kauppinen, Ant...
Abstract— Throughout the world, GSM cellular mobile networks are being upgraded to support the “always-on” General Packet Radio Service (GPRS). Despite the apparent availabil...
Rajiv Chakravorty, Sachin Katti, Ian Pratt, Jon Cr...
The Post-PC revolution is bringing information access to a wide-range of devices beyond the desktop, such as public kiosks, and mobile devices like cellular telephones, PDAs, and ...
Steven J. Ross, Jason L. Hill, Michael Y. Chen, An...
VANETs are ad hoc networks in which devices are vehicles moving at high speeds. This kind of network is getting more and more importance since it has many practical and important a...