Department of Computer Science and Information Systems

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    Handover procedure using probability based mobility patterns in 3G-WLAN interworking environment
    (IEEE, 2012) Gupta, Vishal
    With the projected increase of 3G network traffic in near future, telecom operators are looking for the alternative means of satisfying the data needs of mobile subscribers without scaling the existing 3G network infrastructure. Over the last decade, IEEE 802.11 network (better called as Wi-Fi network) has emerged as one of the most competitive technology for it. It can function with the macro cellular network, as an adjunct network, to provide an alternative path with the best performance capability. On the other hand, several studies have reported the discovery of fundamental statistical features of human mobility. Studies show that human trajectories show a high degree of temporal and spatial regularity, thus following simple reproducible patterns. This paper proposes a probability based approach to find the mobility patterns of users and then use the information to effectively decrease the handover latency and increase throughput.
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    Mobile Data Offloading: Benefits, Issues, and Technological Solutions
    (Springer, 2012) Rohil, Mukesh Kumar; Gupta, Vishal
    Apart from voice services, data made its foray in cellular networks with 2.5G networks. Today, with 3G network already in place, the data requirements of mobile subscribers is very high. With the increasing demand for mobile internet and rich data services such as streaming media for audio and video, this data requirement is expected to multifold in near future. Correspondingly the existing network infrastructures will have to scale to satisfy this huge bandwidth demand in future. The simple solution for this is to build up new infrastructure. But huge investments are involved with it. So, network operators have started looking for the alternative ways of satisfying this data needs. Among many alternatives, mobile data offloading is a most promising one. This paper presents the extensive need, benefits, and technological solutions for Mobile data offloading.