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The aim of this article is to present a novel handover algorithm to decrease the handoff latency in all-IP based future heterogeneous mobile communication system (FHMCS). The reduction in handoff latency is achieved by employing mobile network discovery technique which will decrease the delays due to movement detection, new care of address configuration and duplicate address detection (DAD). The decrease...
The aim of this research paper is to critically analyze one of the integrated WLAN-cellular network architecture which third generation partnership project (3GPP) has also included in its release 6 i.e. generic access network (GAN) formally called unlicensed mobile access (UMA). This article analyzes the limitations of the above mentioned solution and present an architecture for future heterogeneous...
VoIP over Wireless-LAN (VoWLAN) is gaining importance due to its excellent potential in wireless voice communication. With the rapid deployment of WLANs, there is a growing demand for WLANs to support voice applications. In this research paper we present simulation results by enabling the Speech Activity Detection (SAD) for seven codecs, i.e. G.711, G.723.1, G.729, G.726 (ADPCM), G.728 (LD-CEPT),...
The emerging future heterogeneous wireless networks intend to provide a variety of adaptable services to mobile and nomadic users by using integrated heterogeneous network infrastructure. These networks are envisioned as the integration of different existing wireless network technologies such as WLAN, WiMAX, 2G, 2.5G, 3G, Bluetooth, etc., and future wireless network technologies. To integrate different...
Increased efforts directed to enable ubiquitous services across heterogeneous radio access technologies has given birth to seamless integration of heterogeneous wireless networks. It necessitates smooth and seamless handover over heterogeneous wireless networks. Seamless handover imposes stringent requirements like rapid network discovery, quick selection of candidate networks and proactive handover...
This paper proposes a new approach for networks discovery. It comprises of a moving information server (MIS) installed in the vehicles e.g. trains, trams, buses, or any mass public transport system, etc. It provides information, ahead of time; to the mobile nodes (MNs) sitting in the vehicles, about the available networks in the geographical domain the vehicle is passing through or about to pass through...
Rapid increase in applications of mobile networking technologies has fuelled the need for seamless handover across homogeneous and heterogeneous networks. Seamless handover warrants stringent requirements like real-time information availability, rapid network discovery, quick selection of candidate networks and proactive handover actions. Existing network discovery mechanisms involve either direct...
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