Mobility management for NGN WiMAX: Specification and implementation

Neves, Pedro; Matos, Ricardo; Sousa, Bruno; Landi, Giada; Sargento, Susana; Pentikousis, Kostas; Curado, Marília; Piri, Esa

doi:10.1109/wowmom.2009.5282452

Cited by 6 publications

(5 citation statements)

References 14 publications

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“…Nevertheless, results are yet to be presented to evaluate and validate their approach. On the other hand, although very simple, remarkable performance studies of seamless mobility scenarios were presented in [22] and [23], for testbed and simulation environments, respectively. However, all these approaches deal with unicast services, and also do not have support for mobility of both sources and listeners.…”

Section: Related Workmentioning

confidence: 99%

Mobility of sources and listeners: real-time support of multicast services

et al. 2010

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In today's Internet there is an increasing demand for group-based multimedia sessions, such as video/audio conferencing, IPTV, push media. Moreover, there is an increasing trend for mobile communications, with large network dynamic events, which require fast resilience to keep, as much as possible, sessions alive over time. In this sense, the bandwidth-constrained data transport scheme of IP multicast allows traffic optimization throughout the network. However, current IP multicast support over mobile communications is not efficient, mainly due to the IP addressing scheme and mobility. If multicast sources mobility is taken into account, then the performance of IP multicast is significantly degraded, due to the requirement for constantly changing the overall multicast tree.In this paper we propose a new solution for agent-based multicast in both sources and listeners mobile environments, called MUlticast TEleport (MUTE). MUTE considers the existence of anchor points in the network that provide proxy features, assuming the view of multicast data source inside the network, and establishing independence between listeners and sources movements. Moreover, we propose MUTE extension to efficiently support time-sensitive sessions, which consists in integrating IEEE 802.21 and QoSaware abstracted transport approach, to allow media independent transport with fast resilience support. The evaluation of MUTE was carried out in NS-2, and the results show that it is able to provide both multicast sources and listeners mobility with decreased disruption time and increased network performance in heterogeneous systems.Keywords IP Multicast · Mobility of source and listeners · Agent-based control · Media independent handovers · Abstract transport trees 1 Introduction

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Section: Related Workmentioning

confidence: 99%

Mobility of sources and listeners: real-time support of multicast services

et al. 2010

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“…Nevertheless, results are yet to be presented to evaluate and validate their approach. On the other hand, although very simple, remarkable performance studies of seamless mobility scenarios were presented in [8] and [9], for testbed and simulation environments, respectively. However, they do not support full mobility in local, metropolitan and wide area networks.…”

Section: Related Workmentioning

confidence: 99%

Media Independent Handovers: LAN, MAN and WAN Scenarios

Neves

Soares

Sargento

2009

2009 IEEE Globecom Workshops

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A new plethora of wireless access technologies and services are emerging, driving the Internet access paradigm to a different stage. In order to provide seamless connectivity among the new wireless access technologies, such as Wi-Fi, WiMAX and UMTS, the IEEE 802.21 standard has defined the Media Independent Handover framework. This paper presents a thorough description of a seamless handover procedure in a heterogeneous access network environment, by describing the different phases of the handover process to support the interactions with Wi-Fi, WiMAX and UMTS. Further, we present a meticulous evaluation of the depicted handover mechanisms, optimized by the 802.21 framework, demonstrating that seamless mobility is achieved with low latency and no packet loss. To perform the evaluation, significant add-ons, described in this paper, were implemented in the NS-2 simulator to support all the functionalities defined by the IEEE 802.21 standard.

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“…Nevertheless mobility aspects are not covered in the aforementioned publication [4]. To address such issue, Neves et al [9] evaluate a seamless handover procedure between WiMAX and Wi-Fi access technologies, optimized with the MIH framework implemented in WEIRD. A brief evaluation of the consumed time for each phase of the handover is provided, focusing on the IEEE 802.21 MIH framework components.…”

Section: Related Workmentioning

confidence: 99%

“…In this case, NSIS is used to carry the QoS signaling from edge-toedge. More details about QoS signaling can be found in [9].…”

Section: Figure 1: Qos and Mobility Management Architecturementioning

confidence: 99%

Advanced Mobility in Broadband Wireless Access Scenarios

Matos

Sousa²,

Neves

et al. 2009

2009 IEEE International Conference on Wireless and Mobile Computing, Networking and Communications

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Although IEEE 802.16 has emerged as one of the major candidates for next generation networks, it is also clear that in the near future the combination of several technologies will be required. In this sense, the support of mobility in heterogeneous environments, addressing broadband wireless, is one of the main requirements in next generation networks. This paper evaluates an architecture based on the recently standardized IEEE 802.21 framework, integrating both mobility and Quality of Service (QoS) mechanisms, through an advanced mobility scenario using a real WiMAX testbed. This architecture supports seamless mobility in broadband wireless access (BWA) networks, integrates different technologies, such as WiMAX and Wi-Fi, and thus, it is suitable for next generation network environments.The results, obtained through real experimentation of the implemented architecture, show that it is able to provide QoS under dynamic scenarios, with fast integrated QoS and mobility signaling.

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Mobility management for NGN WiMAX: Specification and implementation

Abstract: The anticipated deployment

Cited by 6 publications

References 14 publications

Mobility of sources and listeners: real-time support of multicast services

Mobility of sources and listeners: real-time support of multicast services

Media Independent Handovers: LAN, MAN and WAN Scenarios

Advanced Mobility in Broadband Wireless Access Scenarios

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