— Recently Li and Xia have proposed a transmission scheme for wireless relay networks based on the Alamouti space time code and orthogonal frequency division multiplexing to comb...
With wireless communications and mobile hand-held devices becoming a reality, new applications where users can have access to information anytime, anywhere are made possible. To d...
We present the architecture, user interface and prototype implementation of Fluid Voice, a proximity based mobile group communication system for opportunistic social exchanges. It...
This empirical study examines factors influencing the success of a commercial groupware system in creating group archives and supporting asynchronous communication. The study inve...
Recently, the use of wireless sensor networks has spread to applications areas that are not viable or costefficient to be run on other types of networks. Due to some critical tasks...