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Internet access through mobile devices is used increasingly. Data communications via Internet performed by mobile users need to kept in order offering better services especially for live streaming application such as VoIP. However, since the movement of users changes rapidly to their attachment points (AP), the handoff process needs to be taken into account. Several MIPv6 protocols have been proposed...
Proxy Mobile IPv6 (PMIPv6), as a network-based mobility management protocol, was released in 2008 by the IETF in RFC 5213 to support IP mobility. But in its handover procedure, network-link disconnection cannot absolutely be avoided. The IETF later proposed Fast Proxy Mobile IPv6 (FPMIPv6 for short) protocol, which was designed primarily to improve the switching process, particularly for reducing...
With the popularity of IEEE 802.11 based wireless fidelity (Wi-Fi) portable devices, it becomes increasingly significant to support the mobile users carrying Wi-Fi devices to access the Internet of Things (IoT) so that the communications between the mobile users and the smart objects deployed in the IoT stay uninterrupted when the mobile users are in movement. A scheme using Extended Service Set (ESS)...
The IPv6 over low power wireless personal area network (6LoWPAN) has attracted lots of attention recently because it can be used for the communications of Internet of things. In this paper, the concept of group-based network roaming in proxy mobile IPv6 (PMIPv6) domain is considered in the 6LoWPAN-based wireless body area networks. PMIPv6 is a standard to manage the network-based mobility in all-IP...
Mobility management across multi technology wireless networks is an important feature for ubiquitous access. In such heterogeneous environment, service providers have to deal with service continuity especially for real time applications like voice over IP. In order to achieve this goal, the Internet Engineering Task Force (IETF) proposed fast handovers for IPv6 (FMIPv6) to reduce handover delay for...
The integration of the widely spread 3rd Generation (3G) Universal Mobile Telecommunication System (UMTS) with the Wireless Local Area Networks (WLANs) has recently attracted considerable attention. However, addressing seamless and transparent handoff during mobility between these networks is still the biggest challenge to overcome. This paper evaluates the components of the handoff delay for the...
In some areas, overlapping networks provide alternative wireless links like WLAN, GSM, 3G etc. Ideally, the user should be connected to the most attractive network any time according to predefined priorities. This is accomplished with automatic handover. The most likely commercial application of this type is designed for speech, and is using SIP to set up VoIP calls through WLAN networks or mobile...
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