نتایج جستجو برای: handover
تعداد نتایج: 3753 فیلتر نتایج به سال:
The deployment of mobile femtocellular networks can enhance the service quality for the users inside the vehicles. The deployment of mobile femtocells generates a lot of handover calls. Also, numbers of group handover scenarios are found in mobile femtocellular network deployment. The ability to seamlessly switch between the femtocells and the macrocell networks is a key concern for femtocell n...
This paper investigates the handover performance on high speed train (HST) via different speed under three scenarios, which are viaduct environment, cutting environment and urban area. To provide stable wireless service, we adopt Long Term Evolution (LTE) for high speed railway (HST) system. Moreover, we consider the effect of speed on handover procedure. Interchannel interference (ICI) caused ...
When a body sensor network (BSN) that is linked to the backbone via a wireless network interface moves from one coverage zone to another, a handover is required to maintain network connectivity. This paper presents an optimized handover scheme with movement trend awareness for BSNs. The proposed scheme predicts the future position of a BSN user using the movement trend extracted from the histor...
Finding a versatile performance analysis model makes a way for anytime anywhere wireless access in heterogeneous network. The major challenges of handover failure during vertical handover process necessitates careful analysis of handover calls arriving to the candidate network. The motivation is to utilize the tandem queuing model for wireless next generation network and facilitate zero level f...
The next generation network may be regarded as an IP (Internet Protocol) converged network, combining various access technologies. In this environment, ubiquitous computing and seamless networking are required for the mobile host. The growing availability of multiple network interfaces on mobile devices makes Concurrent Multi-path Transfer (CMT) an appealing candidate to realize the seamless ha...
Fast Handovers is an enhancement to the Mobile IPv6 protocol, currently specified in an IETF draft, which reduces the handover latency. This can be beneficial to real-time applications. This paper presents a novel implementation of Fast Handovers and an analysis of the handover. Using a real testbed we study the handover latency and the provided QoS: analyzing the OWD, IPDV and Packet Loss befo...
We propose a modification of the IEEE 802.16e hard handover (HHO) procedure, which significantly reduces the handover latency constraint of the original HHO procedure in IEEE 802.16e networks. It allows a better handling of the delay-sensitive traffic by avoiding unnecessary time-consuming scanning and synchronization activity as well as simplifies the network re-entry procedure. With the help ...
This study aims to analyze the nurse's effective communication effect on patient handover. The method used is a systematic review by tracing articles ScienceDirect, Ebsco and ProQuest using terminology "handover" OR "handoff" AND "communication" "communicate" "communicating". results showed that an strategy in handover process was use collaborative approach between academics physicians improve ...
In heterogeneous networks (HetNets), the large-scale deployment of small base stations (BSs) together with traditional macro BSs is an economical and efficient solution that is employed to address the exponential growth in mobile data traffic. In dense HetNets, network switching, i.e., handovers, plays a critical role in connecting a mobile terminal (MT) to the best of all accessible networks. ...
Supporting mobility is one the major challenges in wireless networks. To support mobility in any wireless network, the application of an efficient handover control scheme is crucial. In hard handover scenarios in mobile WiMAX networks, a Mobile Station (MS) may experience handover disruptions and handover delays during transmission which could result in connection drops and waste of resources. ...
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