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Proceedings ArticleDOI

A SIP-based cross-layer optimization for WiMAX hard handover

TLDR
A SIP-based solution for terminal mobility and real-time applications, using SIP and cross-layer interactions to improve the hard HO in WiMAX is proposed.
Abstract
The IEEE 802.16e/WiMAX standards introduced the micro and macro-mobility capabilities as a promising technology. While the procedures for mobility management are defined, the decision on performing the handover is left to the developers. The paper proposes a SIP-based solution for terminal mobility and real-time applications, using SIP and cross-layer interactions to improve the hard HO in WiMAX.

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Citations
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An Analysis of Smart Antenna Usage for WiMAX Vehicular Communications

TL;DR: In this article, the authors present results of an experimental, simulation-based study, for mobile WiMAX V2I communications for different mobile station (MS) speeds, applicable to both omni-directional and beam forming smart antenna use.
Book ChapterDOI

Handover Performance Evaluation in WiMAX Mobility Scenarios

TL;DR: In this paper, the authors present the simulation campaign done to construct a multidimensional decision space for WiMAX parameters, in order to identify the sets of configuration parameters with major impact into the handover process for the IEEE 802.16e mobile station.
Proceedings ArticleDOI

Optimization method for smart antenna use in WiMAX vehicular communications

TL;DR: This paper continues a complex study related to WiMax vehicular communications evaluation and optimization, focusing on simulations of a real smart antenna in WiMAX vehicular environments.
Book ChapterDOI

An Analysis of Smart Antenna Usage for WiMAX Vehicular Communications

TL;DR: This study describes a database consolidation process in order to determine multi-dimensional regions where different lower layer parameters have influence on the overall performance of WiMAX V2I communications.

Power control and antenna gain optimization during wimax handover

TL;DR: Results of an experimental study, simulation based, directed to determine the optimum transmission power and Antenna gain which influence on the overall handover performance in mobility scenarios, related to WiMAX communications are presented.
References
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Book ChapterDOI

SIP: Session Initiation Protocol

TL;DR: Session Initiation Protocol (SIP) as discussed by the authors is an application layer control (signaling) protocol for creating, modifying, and terminating sessions with one or more participants, such as Internet telephone calls, multimedia distribution, and multimedia conferences.
Journal ArticleDOI

Seamless SIP-based mobility for multimedia applications

TL;DR: This article presents a SIP-based architecture that supports soft handoff for IP-centric wireless networks and ensures that there is no packet loss and that the end-to-end delay jitter is kept under control.
Journal ArticleDOI

SIP-based mobility management in next generation networks

TL;DR: This article proposes an application-layer solution for mobility management that is based on the SIP protocol and satisfies the most important requirements for a proper implementation of vertical handovers.
Proceedings ArticleDOI

Pre-Coordination Mechanism for Fast Handover in WiMAX Networks

TL;DR: A pre-coordination mechanism (PCM) for supporting fast handover in WiMAX networks is proposed by measuring the distance between the BS and the MSS and predicting the time of handover occurs, and thus pre-allocating available resources for handover usages.
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