Abstract
Handover is the mechanism that transfers information from one terminal to another as a user moves through the coverage area of a cellular system. Here the Network selection is the handover decision process between various network environments. This handover decision will be either mobile or network initiated. In 2G GSM handover decision method especially concentrates on Received frequency signals (RFS). Upcoming technologies (3G/4G) the number of available networks increase the selection process should evaluate additional factors such as cost, network services, network terminology, system conditions, user and operators performances and needed energy to work in an exceedingly network. In Future networks (IEEE or 4G standards) offer facilities such as network routes, handover routing messages, network and client reports, message exchange with handover triggers and handover negotiation. In this study we have a tendency to discuss the utilization of a cost function to perform associate a network selection exploitation information provided by these standards, such as network coverage or network properties. The efficient function provides flexibility to balance the various factors within the network selection, and our research is focused on rising each seamlessness and energy efficiency of the devices in handovers. We have a tendency to evaluate our approach supported usage scenarios over 2G, 3G and 4G GSM networks. Our results show the optimal networks and handovers were generate appropriate times to increase overall network connectivity as compared to traditional network schemes, at the same time optimizing energy consumption of network devices.
Highlights
In future all mobile devices included with IEEE 802.11/802.16, 3G and 4G networks for wireless communication (Zois et al, 2013)
Review of the main research activities which show the importance of independent information service to make the handover performance optimized in wireless devices, the overall energy consumption of the device is a key issue, when the number of frequencies on these devices increases and at the same time end-users expect a seamless connectivity across all frequencies
To address these issues we proposed flexible network selection architecture to optimize seamless handover operations as well as to optimize the energy efficiency of these devices
Summary
In future all mobile devices included with IEEE 802.11/802.16, 3G and 4G networks for wireless communication (Zois et al, 2013). A future mobile device will switch between these interfaces depending on its physical environment and requirements (Zois et al, 2013). We refer to this technology, where handover the process of roaming across heterogeneous networks, is one of the most important features. Network selection is a component of the handover procedures to select a network among others networks. Network selection has been based on evaluation of the Received Frequency Signals (RFS), e.g., an access point that gives the strongest RFS to the selected nodes (Chuah et al, 2012). While significant work has been done on network selection algorithms initiated by the mobile device, the literature survey describing how a mobile device and network operator can cooperate with each other to achieve an optimal network selection in a deployable approach
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