GPRS and 3G Wireless Applications: Professional Developer's Guide
GPRS and 3G Wireless Applications: Professional Developer's Guide
Proceedings of the 1st international symposium on Handheld and Ubiquitous Computing
HUC '99 Proceedings of the 1st international symposium on Handheld and Ubiquitous Computing
TCP/IP Foundations
When location-based services meet databases
Mobile Information Systems
Contemporary Issues in Handheld Computing Research
International Journal of Handheld Computing Research
Location Prediction Based on a Sector Snapshot for Location-Based Services
Journal of Network and Systems Management
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Typical Location Based Services LBS system is compound of a mobile device with positioning capability connected to a LBS service provider via wireless network. Thus, the efficiency of LBS System depends on each sub-element composing its architecture. One of the most important factors affecting LBS efficiency is the volume of data streamed from the server to the client. This problem has emerged as a consequence of customer demands for richer services such as videos and high-quality pictures. Therefore this paper discusses the impacts of transmitting huge size of information and services on: the mobile devices, wireless networks and the data server. In addition, it introduces a mechanism to improve the data flow based on the zoning concept in which data is organised in individual databases and then streamed gradually according to the end user's new location. The outcome of the evaluation of this mechanism has shown better utilisation of the mobile device resources memory and battery as well as reducing the network and server consumption time.