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Handover measurement is responsible for finding a handover target and directly decides the performance of mobility management. It is governed by a complex combination of parameters dealing with multicell scenarios and system dynamics. A network design has to offer an appropriate handover measurement procedure in such a multiconstraint problem. This paper proposes a unified framework for the network...
This paper deals with the handover measurement in cellular networks. The work is dedicated to network modeling and performance evaluation. The exposition concentrates on temporal evolution of the scanning process with key events: (i) a suitable handover target found, (ii) call drop or service failure, and (iii) scan withdrawal. By observations on the stochastic properties of best signal quality and...
The neighbour cell list (NCL) in cellular networks has an important impact on the number of dropped calls and is traditionally optimized manually with the help of planning tools. In this paper, a method for automatically optimizing a NCL is presented, which consists of an initialization using a self-configuration phase, followed by a self-optimization phase that further refines the NCL based on measurements...
Social networking plays an important role in future evolution and has extremely impacted the communication habits of people on the Internet. In this paper, we explore how social networking services is more fruitful to mobile delay-tolerant networks. We then present our prior works on delay-tolerant social networking platform. We emphasize the feasibility of delay-tolerant networks in supporting for...
We introduce MobiTOP (mobile tagging of objects and people), a map-based application which allows users to contribute and share geo-referenced multimedia annotations via mobile devices. An important feature of MobiTOP is that annotations are hierarchical, allowing annotations to be annotated to an arbitrary depth. MobiTOPpsilas interface was designed using a participatory design methodology to ensure...
In this demo, we exhibit some features of our platform called SCOPE. SCOPE provides an open DHT with unified application interface (API) for mobile users and allows them to provide and benefit from communication services such as instant messaging, file sharing and voice chat. The main goal in this demo is to demonstrate and evaluate this server-less P2P communication services on ad-hoc mode in a real...
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