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Queue-Aware Resource Allocation for Multi-cell OFDMA Systems with QoS Provisioning

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Abstract

This paper proposes a queue-aware resource allocation algorithm which provides quality of service (QoS) guarantees. The proposed solution adopts a cross-layer design approach since it is aware of both users’ queue buffer states (data link layer) and channel quality state (physical layer). Main advantages of the proposed resource allocation algorithm are: the low computational complexity and its capacity of maintaining lower QoS violation probability than other multi-cellular schemes. The proposed solution can also result in enhanced cell-edge data rate and improved fairness performance. User minimum data rate and target bit error rate as considered as QoS parameters. Validation of the proposed algorithm is achieved through various simulation scenarios wherein QoS violation probability, system fairness, user average data rate and cell-edge throughput are investigated. Numerical results and complexity analysis demonstrate the efficiency and the feasibility of the proposed QoS-oriented approach.

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Authors and Affiliations

  1. Wireless Telecommunications Laboratory (WTL), Department of Electrical and Computer Engineering, University of Patras, 26500 , Rio, Greece

    Ioannis G. Fraimis & Stavros A. Kotsopoulos

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  1. Ioannis G. Fraimis
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  2. Stavros A. Kotsopoulos
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Correspondence to Ioannis G. Fraimis.

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Fraimis, I.G., Kotsopoulos, S.A. Queue-Aware Resource Allocation for Multi-cell OFDMA Systems with QoS Provisioning. Wireless Pers Commun 71, 3033–3044 (2013). https://doi.org/10.1007/s11277-012-0988-5

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  • DOI: https://doi.org/10.1007/s11277-012-0988-5

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