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Review of handover mechanisms to support triple play in mobile WiMAX


Ben-Mubarak, Mohammed Awadh and Mohd Ali, Borhanuddin and Noordin, Nor Kamariah and Ismail, Alyani and Ng, Chee Kyun (2009) Review of handover mechanisms to support triple play in mobile WiMAX. IETE Technical Review, 26 (4). 258- 267. ISSN 0256-4602; ESSN: 0974-5971


Handover (HO) mechanism is one of the critical operations in mobile WiMAX. It takes place when a mobile station (MS) moves from a serving base station (BS) to another BS. However, the HO latency in mobile WiMAX is still an issue that may affect continuity of real-time application sessions such as Voice over Internet Protocol (VoIP). This paper presents performance comparison of some HO mechanisms for real-time applications in mobile WiMAX, including HO, cross-layer HO, pre-coordination HO, passport HO mechanisms and fast intra-network and cross-layer HO (FINCH). Each one of these mechanisms reduces HO latency, especially during downlink traffic; however, they still produce insufficient HO latency during uplink traffic. Except for FINCH, they do not consider the scenario of HO between BSs that belong to different access service network-gateways (ASN-GWs) or to different connectivity service networks (CSNs); these two cases cause extra layer 3 (L3) HO latency.

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Additional Metadata

Item Type: Article
Divisions: Faculty of Engineering
DOI Number: https://doi.org/10.4103/0256-4602.52995
Publisher: Institution of Electronics and Telecommunication Engineers
Keywords: Cross-layer HO; Fast intra-network and cross-layer; HO latency; Link-layer HO; Mobile WiMAX; Passport HO; Pre-coordination HO
Depositing User: Nabilah Mustapa
Date Deposited: 25 Sep 2015 08:31
Last Modified: 03 Feb 2016 06:49
URI: http://psasir.upm.edu.my/id/eprint/16559
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