— Multimedia applications require high bandwidth in order to assure certain level of Quality of Service (QoS). It is well known that the characteristics of the traffic for multim...
Abiding geocast is a time stable geocast delivered to all nodes that are inside a destination region within a certain period of time. Services like position–based advertising, p...
Cellular radios consume more power and suffer reduced data rate when the signal is weak. According to our measurements, the communication energy per bit can be as much as 6x highe...
Clock synchronization is a crucial basic service in typical sensor networks, since the observations of distributed sensors more often than not need to be ordered ("a happened...
In this paper we present RUBIQ, a polymorphic ubiquitous network testbed. RUBIQ works on StarBED, which is a network testbed consisting of hundreds of PCs connected to each other. ...