نتایج جستجو برای: mobile wireless phones

تعداد نتایج: 260660  

2016
S. Eman Mahmoodi K. P. Subbalakshmi R. N. Uma

The well documented growth in mobile traffic is mainly driven by increasingly sophisticated smart phone applications. Simultaneously, user preference for lighter phones has resulted in more battery power constrained hand-helds that offload computations to resource intensive cloud. This second trend exacerbates the bandwidth crunch often experienced over wireless networks. Our idea (joint cognit...

2009
Sahar Idwan

A Bluetooth mobile application is developed to enhance student-instructor interaction during delivery of university courses. The paper presents Mobile application via Bluetooth wireless technology (MAvBT) consists of a server installed on a Bluetooth enabled computer, mobile application installed on student's mobile phones, and a website that enables the instructors to edit materials and the de...

Recommender systems suggest proper items to customers based on their preferences and needs. Needed time to search is reduced and the quality of customer’s choice is increased using recommender systems. The context information like time, location and user behaviors can enhance the quality of recommendations and customer satisfication in such systems. In this paper a context aware recommender sys...

2006
Almudena Díaz Pedro Merino F. Javier Rivas

Fixed to mobile convergence is a very promising field due to the success in recent years of mobile devices such as smart phones and PDAs. A wide variety of wireless technologies ranging from Bluetooth, Wi-Fi, Wimax, to GPRS, UMTS and its later releases, allow ubiquitous connectivity. Roaming between different access technologies will be an important area of activity. As a result of the heteroge...

2013
Michal Gorawski Krzysztof Grochla

Performance evaluation of protocols and mechanisms in wireless networks require a good representation of client mobility. The number of mobility models has been developed, to emulate the changes of location in time of mobile wireless devices in communication networks, such as e.g. mobile phones, tablets, netbooks, palmtops. Mobility models are used to verify the protocols and algorithms develop...

2001
Dharma P. Agrawal

Wireless technology is growing at a breath taking pace and is influencing the way people live and interact. A wireless system enables users to go anywhere, still be connected to both voice and data communications and have access to systems with different levels of complexity ranging from voice communications to database retrieval. The satellite based global positioning capability has added anot...

Journal: :Electromagnetic biology and medicine 2014
Marie-Claire Cammaerts Olle Johansson

Society is confronted with an increasing number of applications making use of wireless communication. We also notice an increasing awareness about potentially harmful effects of the related electromagnetic fields on living organisms. At present, it is not realistic to expect that wireless communication will decrease or disappear within the near future. That is why we currently are investigating...

Journal: :international journal of agricultural science, research and technology in extension and education systems 2013
aditya . singh s. r

the teledensity in india is estimated at 74.50 per cent (january, 2014) with an increase in subscriber base each day. no other revolution in the mankind has transformed the communication scenario to the extent as done by the mobile technologies. india has the fastest growing telecom network in the world with its high population and development potential base. education is at a critical juncture...

2000
Shingo Ohmori Yasushi Yamao

The forthcoming mobile communication systems are expected to provide a wide variety of services, from high-quality voice to high-definition videos, through high-data-rate wireless channels anywhere in the world. The high data rate requires broad frequency bands, and sufficient broadband can be achieved in higher frequency bands such as microwave, Ka-band, and millimeter-wave. Broadband wireless...

2011
RAHUL MALHOTRA

Advances in mobile communication theory have enabled the development of different wireless access technologies. Alongside the revolutionary progress in wireless access technologies, advances in wireless access devices such as laptops, palmtops, and cell phones and mobile middleware have paved the way for the delivery of beyond-voice-type services while on the move. This sets the platform for hi...

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