Context-aware media independent information server for optimized seamless handover procedures

Neves, Pedro; Soares, Janine; Sargento, Susana; Pires, H. D. C.; Fontes, Francisco

doi:10.1016/j.comnet.2011.01.022

Cited by 30 publications

(19 citation statements)

References 5 publications

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“…After that, the Serving PoA sends the query response back to the UE. In [12], the authors propose the concept of a dynamic information server without the need to send resource query messages over the air.…”

Section: Resource Checking Before Handover Decisionmentioning

confidence: 99%

“…We also address the cooperation between the different servers in the EPC and IEEE 802.21 architectures, the Access Network Discovery and Selection Function (ANDSF) and the Media Independent Information Server (MIIS). The main reason behind our approach is that the services provided by the IEEE 802.21 enable the support of seamless handovers without packet loss [12]. This paper is organized as follows.…”

Section: Introductionmentioning

confidence: 99%

“…In order to evaluate empirically, we used the same handover scenario as in [12]. Considering the WiFi→WiMAX case, the discovery time is approximately 35ms (T NetDiscovery ).…”

Section: Introducing the Andsf On 3gpp Tr 36938 Approachmentioning

confidence: 99%

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IEEE 802.21 MIH-enabled Evolved Packet System Architecture

Knaesel

Neves

Sargento

2012

Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering

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Abstract. The main motivation of IMT-Advanced is to enable the mobile users with capacity to handle high data rates and low delay services such as high quality video and online gaming. Two technologies are competing in this field: LTE-Advanced and Mobile WiMAX. Following the Always Best Connected (ABC) paradigm, the integration of these two technologies with legacy ones is imminent. The Evolved Packet Core (EPC) is the 3GPP new core network which aims to integrate 3GPP and non-3GPP access networks through an All-IP core network. The IEEE 802.21 standard is another important contribution, optimizing vertical handovers, by providing a common framework between the data link and network layers. Although the 3GPP has already defined optimized vertical mobility procedures, these are dependent on the technology, and much effort is needed in order to achieve the so desired seamless mobility. In our work, we propose a new mobility architecture and several enhancements on handover signaling to provide seamless mobility between IMT-Advanced candidates and legacy wireless technologies. We further compare our proposed mobility framework with current approaches, showing the advantages of the integrated approach.

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Section: Resource Checking Before Handover Decisionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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IEEE 802.21 MIH-enabled Evolved Packet System Architecture

Knaesel

Neves

Sargento

2012

Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering

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“…A number of mobility mechanisms in heterogeneous environments have been proposed [2][3][4][5][6][7][8][9][10][11][12][13][14] that employ models relying on the IEEE 802.21 MIIS service. In [2], a vertical handover scheme between UMTS and WiMAX employing the IEEE 802.21 framework is proposed.…”

Section: Related Workmentioning

confidence: 99%

“…Looking at the standard [1] as well as the related work [2][3][4][5][6][7][8][9][10][11][12][13][14], it is typically assumed that the MIIS server is aware of the MNs location, sending a response message with information about candidate networks. The representation of the MIIS role and usability is very lacking in terms of usage details, architecture, and characteristics used.…”

Section: Introductionmentioning

confidence: 99%

A Zone-Based Media Independent Information Service for IEEE 802.21 Networks

Buiati

Villalba

Cañas

et al. 2014

International Journal of Distributed Sensor Networks

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Next generation networks integrate different wireless technologies, including Wi-Fi, Wi-Max, and 3GPP (UMTS, HSPA, and/or LTE), in which the mobile node (MN) has the opportunity to switch from one network to another, under an always best connected scheme. In such heterogeneous environment, discovering which types of network connectivity and services are available is a critical challenge. The IEEE 802.21 standard specifies a network information server entity providing network information within a geographical area by which the MN can discover a service or a network. In this paper, we propose a zone-based media independent information service using the IEEE 802.21 standard to accelerate the neighbor discovery procedure. In the proposed scheme, the access networks are associated and grouped in mobility zones, through an efficient set of rules, to minimize the amount of control messages flowing in the core network. Through a NS-2 based simulation, the results demonstrate that the proposed scheme reduces the neighbor discovery delay as well as the signaling overhead if compared with the standard MIIS deployment.

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A novel media independent handover‐based approach for vertical handover over heterogeneous wireless networks

Omheni

Zarai

Obaidat

et al. 2013

Int J Communication

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SUMMARYThe key purpose for seamless mobility and service continuity between heterogeneous wireless networks is the handover. Vertical handover management is one of key challenges in such environment. To deal with some of these challenges, an IEEE 802.21 media independent handover (MIH) framework has been standardized. The main purpose of this standard is to offer a general interface for the handover by abstracting the link layer intelligence to higher layers. However, there still exist a number of limitations in MIH architecture. In this paper, a new architecture of improved MIH is presented to perform vertical handover between wireless heterogeneous networks. We focused on interworking architecture between wireless local area network and long term evolution advanced network with the use of MIH signaling to define an efficient vertical handover. A performance analysis model for the proposed MIH‐based vertical handover is derived. Analysis results show that the proposed method can be easily deployed in present multimedia service networks. Copyright © 2013 John Wiley & Sons, Ltd.

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Context-aware media independent information server for optimized seamless handover procedures

Cited by 30 publications

References 5 publications

IEEE 802.21 MIH-enabled Evolved Packet System Architecture

IEEE 802.21 MIH-enabled Evolved Packet System Architecture

A Zone-Based Media Independent Information Service for IEEE 802.21 Networks

A novel media independent handover‐based approach for vertical handover over heterogeneous wireless networks

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