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Mobile Crowdsourced Access (MCA) enables mobile users (MUs) to share their Internet connections by serving as tethers to other MUs, hence can improve the quality of service of MUs as well as the overall utilization of network resources. However, MCA can also reduce the revenue-generating mobile traffic and increase the network congestion for mobile network operators (MNOs), and thus has been blocked...
We study mobile user behavior from cell-level location trace (CLLT). Since CLLT contains no GPS coordinates of mobile users, we infer approximate user locations from the cell locations they visit. We build upon the vast literature on user behavior analysis and demonstrate the ability to extract user behavior in the absence of the more precise GPS information. We focus on the “leisure time” behavior,...
To deal with the severe challenge from explosively increasing mobile users' multimedia service requests in mobile networks, introducing cloud-based computing platform and content caching into radio access networks (RANs) has become an effective emerging technique. In this paper, we propose a collaborative hierarchical caching framework in cloud RANs (C-RANs), which minimizes the access delay of content...
This study investigates the effectiveness of financial incentives (hereafter, simply incentives) in increasing viewership and social sharing of advertisements. Incentives can, in principle, help advertisers reach a larger audience, but there are two aspects of their application that have yet to receive much attention: (a) How large of an incentive will be needed to engage users with advertisements...
IoT (Internet of Things) has attracted a lot of attention recently. IoT devices need to report their data or status to base stations at various frequencies. The IoT communications observed by a base station normally exhibit the following characteristics: (1) massively connected, (2) lightly loaded per packet, and (3) periodical or at least mostly predictable. The current design principals of communication...
We analyze the design space for implementing the Constrained Application Protocol (CoAP) within Content-Centric Networks (CCN), identifying several CoAP specific scenarios and seeing how they map to CCNs. We present an evaluation, recommendations for implementations and extensions, and directions for future work. Our key result is that while several protocol features and flows map naturally, some...
Recent technological advancement in mobile technologies had changed the learning process for urban poor group in Malaysia. However, the main problem is lacking of understanding of the factors that drive urban poor to use m-learning. Thus, the main objectives of this exploratory research are (i) to identify the factors that drive urban poor to use m-learning and (ii) to provide recommendations to improve...
The unprecedented increase in the mobile data traffic volume, as well as the need for network coverage expansion are major concerns for mobile operators. Although new pricing regimes have been actually employed to affect user's behavior over the usage of the network resources, operators still face challenges related to congestion management, cost reduction and revenue generation. Operators are induced...
An enterprise resource planning (ERP) system is the backbone in an e-business framework and is a process-oriented business management paradigm. An implementation of an ERP system can achieve “real-time” and “integration”. The staffs with manipulation skills of an ERP system are thus demanded for enterprises. E-learning are increasingly widespread by using information and telecommunication technologies...
An operator-assisted user-provided network (UPN) has the potential to achieve a low cost ubiquitous Internet connectivity, without significantly increasing the network infrastructure investment. In this paper, we consider such a network where the network operator encourages some of her subscribers to operate as mobile Wi-Fi hotspots (hosts), providing Internet connectivity for other subscribers (clients)...
Aiming to meet the explosive growth of mobile data traffic and reduce the network congestion, we study Time Dependent Adaptive Pricing (TDAP) with threshold policies to motivate users to shift their Internet access from peak hours to off-peak hours. With the proposed TDAP scheme, Internet Service Providers (ISPs) will be able to use less network capacity to provide users Internet access service with...
Augmented reality has the potential to provide powerful, contextual, and situated learning experiences for medical students. There are need learning theories to guide the design of AR in health education to bring out the potentials. The objectives of this paper is to present the learning theories which could be supported AR in health education. We propose use situation learning, experiential learning;...
This paper presents study investigating the extent to which Saudi students understand and are familiar with mobile learning. It investigates students' use of handheld devices and considers the daily activities for which they could be used while also evaluating m-learning in Saudi Arabia - a topic that has not yet received adequate attention from researchers. Initial data was acquired through a questionnaire...
Learning requires appropriate management of time and resources. Consequently, self regulated learning (SRL) becomes predominant and apparent (Bartolome et al., 2011; Lefrere, 2011). More and more educators at all educational levels are trying to enfold self regulated learning in the learning process (van Ewijk et al., 2012; Kramarski et al., 2009). The use of technology-based procedures transforms...
At the time when we are debating the Internet as a human right, an access to basic online information is a challenge for blind and visually impaired community. Steps taken for their digital inclusion, such as, the Web Content Accessibility Guidelines (WCAG) are often insufficient. In this paper we present initial requirements gathered during three workshops organized with various stakeholders coming...
New era of wireless communication is upon us. The approaching 4G (fourth generation) mobile communication systems are projected to handle higher data rates and mobile internet for rich media collaboration allowing faster and more reliable connectivity. Bangladesh telecommunication sector already entered into the 3G mobile data wave and its immediate sequence is 4G. This study is designed for the analysis...
The use of smart phones and similar devices are increasing day by day and mobile devices are moving towards becoming the mainstream computing hardware. In parallel, the number of mobile applications is increasing exponentially. Besides the many advantages of being mobile, in these applications limited battery power is a fundamental constraint. With "Energy Aware" programming techniques,...
Although the computational power of mobile devices has been increasing, it is still not enough for some classes of applications. In the present, these applications delegate the computing power burden on servers located on the Internet. This model assumes an always-on Internet connectivity and implies a non-negligible latency. The thesis addresses the challenges and contributions posed to the application...
Este documento faz referência a uma experiência de integração das TICs em cenário educacional no âmbito da Educação Básica a partir da utilização de laboratório remoto via dispositivos móveis. Para isso apresentaremos projeto piloto desenvolvido pelo Laboratório de Experimentação Remota (RExLab), da Universidade Federal de Santa Catarina (UFSC) e co-executado pela Escola de Educação Básica Maria Garcia...
Nowadays, one of the main problems of mobile operators is to handle network traffic more resourcefully. Techniques, which increase the traffic capacity over the mobile core with minimum costs, play a fundamental role. Following advent of smart phones, the most of the traffic bandwidth is being used for connecting to external IP networks, like the Internet. Consequently, this overloaded traffic causes...
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