MOBICOM

JXTA is a peer-to-peer technology that enables developers to easily create distributed computing software. This paper describes JXTA (short for "juxtapose") in general and focuses on its applicability for mobile-networked systems. Since mobile devices ...

An ad-hoc network is formed by a group of mobile hosts upon a wireless network interface. Previous research in communication in ad-hoc networks has concentrated on routing algorithms which are designed for fully connected networks. The traditional ...

Mobile and portable computers such as PDAs have become a ubiquitous commodity, accompanying their users wherever they go, and for nearly every activity. On the other hand, there is an increasing need for informal learning that can take place for example ...

In this paper, we propose routing scheme to support synchronization of multimedia units (MMU) for mobile clients and wireless multimedia systems that makes use of base stations as Quasi-receivers to control the MMU synchronization. Our scheme allow ...

This paper discusses wireless capacity models and capacity utilization models for 3G (WCDMA) system analysis. The soft capacity of a 3G cell is formulated as a function of bandwidth and interference, and the capacity utilization of an individual user is ...

In this paper, a novel method for improving the spectrum efficiency of multi-layer cellular systems, by means of prioritisation based on the user mobility behaviour and service application has been proposed. The proposed system is shown to have a higher ...

Due to the speed mismatch between wired and wireless networks, network congestion can easily occur at the fusion point (gateway or access point) that interconnects these two networks. In this paper we propose a congestion control scheme for TCP traffic ...

As wireless systems progressed from first generation to second generation, and now 3G systems, system design tools have progressively become more sophisticated. Static system simulators have found widespread use in CDMA system design. In this article it ...

We present node-centric approaches to hybrid routing for ad hoc networks in which normal nodes are distinguished from special nodes, called netmarks, hosting popular network services or functioning as points of attachment to the Internet. With node-...

Abstroct-Geomulticast is a specialized location-dependent multicasting technique, where messages are multicast to some specific user groups within a specific zone. In this paper we first present an overall architecture that can be used to support the ...

Mobile Ad-Hoc Networks (MANETs) must contemplate energy-constrained operations due to the nodes' strong dependency on batteries. Only recently, we noticed the advent of studies to address the energy issue in MANETs. In this paper we compare the three ...

One of the major challenges faced by designers of ad hoc network systems is the deployment of end-to-end quality-of-service support mechanisms. This paper presents a comprehensive performance analysis and comparison of two QoS-enhanced Ad Hoc network ...