—The design of a collision avoidance system for trains implies the design of a MAC layer for their specific requirements. It should be efficient, reliable, use broadcast and su...
Cristina Rico Garcia, Andreas Lehner, Thomas Stran...
The Optimized Link State Routing (OLSR) protocol is a proactive link-state protocol bafor ad-hoc networks. It uses an optimization called Multi-Point Relays (MPRs) to provide an e...
With the rapid spread of various mobile terminals in our society, the importance of secure positioning is growing for wireless networks in adversarial settings. Recently, several ...
Sensor networks are deployed to monitor the surroundings and keep the end-user informed about the events witnessed. Different types of events have different levels of importance f...
In mobile commerce, short-message-service (SMS) is an important technique for delivering payment instruction. A payment model "SMS Credit" was proposed earlier [1]. Such...