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Multi-Hop WiMAX Networks: A New Opportunistic Algorithm Using AMC and PUSC Mode for Different Mobility Users

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Abstract

Resource allocation algorithms play the main role in provisioning high throughput in broad band wireless communications. The previous studies in WiMAX networks have considered either AMC or PUSC techniques for the resource allocation algorithms. In this way, AMC based algorithms have presented high throughput for low speed users. Conversely, PUSC based algorithms have not been affected by users’ speed, whilst the throughput is low. To date, the importance of presenting proportional fair and maintaining the network throughput for the users with different speeds has not been acknowledged yet. This paper presents a novel opportunistic algorithm which is suitable for the users with different mobility speeds. The new algorithm uses two modes of AMC and PUSC simultaneously. The simulation results reveal that in comparison to similar algorithms, the proposed algorithm presents more proportional fair throughput when there are both high and low speed users.

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Authors and Affiliations

  1. Department of Electrical and Computer Engineering, Isfahan University of Technology, Esfahan, Iran

    Tayebeh Gholipur, Mehdi Mahdavi & Abolghasem Zeidaabadi Nezhad

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  1. Tayebeh Gholipur
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  2. Mehdi Mahdavi
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  3. Abolghasem Zeidaabadi Nezhad
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Correspondence to Mehdi Mahdavi.

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Gholipur, T., Mahdavi, M. & Zeidaabadi Nezhad, A. Multi-Hop WiMAX Networks: A New Opportunistic Algorithm Using AMC and PUSC Mode for Different Mobility Users. Wireless Pers Commun 75, 1547–1571 (2014). https://doi.org/10.1007/s11277-013-1437-9

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  • DOI: https://doi.org/10.1007/s11277-013-1437-9

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