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Operation and Performance of Link-Quality Based Channel Assignment Schemes in Adaptive Packet-Switched Mobile Radio Systems

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Abstract

This paper proposes and evaluates a set of physical level assisted cross-layer channel assignment schemes. These schemes allocate an incoming call the available channel that experienced the best channel quality conditions during previous transmissions. To estimate such conditions, three different link quality metrics have been considered. The performance of the proposed schemes has been compared to that of the commonly employed random allocation mechanism. The obtained results show that the proposed schemes improve the system performance of an adaptive packet-switched mobile radio system while also exhibiting the long-term channel uniform use characteristic of the random allocation mechanism. The higher performance attained with the proposed schemes is due to their short-term channel use pattern that results in an implicit cooperation among co-channel interfering cells during the channel allocation process. With the proposed schemes, interfering cells avoid assigning the same channels to simultaneous incoming calls, therefore reducing the experienced interference and increasing the system performance.

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Authors and Affiliations

  1. Signal Theory and Communications Division, University Miguel Hernández, Avda de la Universidad, s/n, 03202, Elche, Spain

    J. Gozalvez & J. J. González-Delicado

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  1. J. Gozalvez
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  2. J. J. González-Delicado
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Correspondence to J. Gozalvez.

Additional information

Javier Gozalvez received an electronics engineering degree from ENSEIRB (Bordeaux, France), a DEA in Electronics from Université de Bordeaux I and a PhD in Mobile Communications from the University of Strathclyde (Glasgow, UK). During his PhD, he received a Best Student Paper Award at the Fourth International Symposium on Wireless Personal Multimedia Communications (WPMC) in 2001. Since October 2002, he is a lecturer at the Signal Theory and Communications Division of the University Miguel Hernández (Elche, Spain). Dr. Javier Gozalvez currently serves as Mobile Radio Senior Editor of the IEEE Vehicular Technology Society News publication and as Associate Editor of the IEEE Communication Letters journal. He has also served in the organizing and/or technical committees of various international conferences including IEEE Vehicular Technology Conferences and International Symposiums on Wireless Communications Systems (ISWCS), and as member of the IASTED Technical Committee on Telecommunications. Over the last years, he has researched on various aspects of adaptive radio resource management techniques. His current research interests include: radio resource management, heterogeneous systems, application of wireless communications to the vehicular environment and wireless sensor networking.

Juan-Jesús González-Delicado received a BEng in Telecommunications Engineering from the University Miguel Hernández (Elche, Spain), obtaining an award for the best academic records. At the moment, Mr Gonzalez-Delicado is pursuing the final year of the MEng in Telecommunications Engineering at the University Miguel Hernández, conducting research in cross-layer radio resource management and heterogeneous wireless systems.

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Gozalvez, J., González-Delicado, J.J. Operation and Performance of Link-Quality Based Channel Assignment Schemes in Adaptive Packet-Switched Mobile Radio Systems. Wireless Pers Commun 38, 455–479 (2006). https://doi.org/10.1007/s11277-006-9056-3

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