Cognitive radio is an enabling technology that allows unlicensed users to opportunistically access the spectrum in order to enhance the spectrum efficiency. In this paper, we cons...
This paper presents a world model for location-aware and user-aware services in ubiquitous computing environments. It can be dynamically organized like a tree based on geographica...
Caching Internet based services is a potentially important application for MANETs, as it can improve mobile users' perceived quality of service, reduce their energy consumpti...
—We present a system-level approach to localizing and tracking users on a basis of different sources of location information. We have applied a combination of the Cricket system ...
Call Admission Control (CAC) plays a significant role in providing the desired Quality of Service (QoS) in cellular networks. Traditional CAC schemes that mainly focus on the trade...