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In heterogeneous network environment, it is important to choose an appropriate access network for a Multimode Mobile Terminal (MMT). Currently, there are some methods proposed to make network access selection decision. However, those methods didn't consider some dynamic attributes and could not offer effective handoff strategies. In this paper, we introduce an Intelligence Access Selection Scheme...
Nowadays, users of mobile phones generate too many files that have to be frequently downloaded to an external storage repository (freeing local space), using a USB cable or a short-range wireless connection such as Bluetooth. This situation is very common in developing countries where there are not many available wireless networks, restricting the user mobility. This paper presents an Internet File...
The increasing demand for broadband services is causing the cellular network providers to consider for the integration of Wireless LAN with GPRS. WLAN is having higher data rate but low coverage area but GPRS is having lower data rate but with high coverage area. So integrating these two heterogeneous networks will lead to utilization of advantages of both and can increase the system throughput. The...
Emerging healthcare applications rely on personal mobile devices to monitor and transmit patient vital signs to hospital-backend servers for further analysis. However, these devices have limited resources that must be used optimally in order to meet the application user requirements (e.g. safety, usability, reliability, performance). This paper reports on a case study of a Chronic Obstructive Pulmonary...
The wireless network landscape is changing gradually from homogeneous to heterogeneous and future generation networks are envisioned to be a combination of diverse but complimentary access technologies, like GPRS, WCDMA/HSPA, LTE, WiMAX, and WLAN. One issue which has become apparent recently with the proliferation of different link layer technologies is how service providers can offer a consistent...
Network mobility (NEMO) aims providing seamless Internet connectivity for the network which is moving around with vehicles. Multiple care of addresses (MCoA) registration was also proposed as an extension. This paper studies the seamless Internet connectivity of mobile router (MR) which is equipped with WLAN, CDMA and GPRS interfaces simultaneously. Concretely, a smooth inter-interfaces hand-off algorithm...
This contribution addresses the case when live packet-switched video is used to enrich circuit-switched speech calls in mobile telephony. Circuit-switched and packet-switched transmissions generally operate on completely different transmission paths resulting in different QoS in terms of delay and loss rates. In this case, video and audio data recorded at the same time are not multiplexed together...
The next generation mobile handhelds need to focus on seamless Mobility and session continuity when the subscribers move frequently across different radio access networks. This paper presents a generic radio access abstraction layer (GRAAL) outlining the additional functionalities required at the mobile terminal that can decide on the fly for selecting the best radio access network according to the...
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