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Wireless Personal Communications
Erschienen in: Wireless Personal Communications 1/2019

10.04.2019

Fairness Analysis of Inter-cell Relay in Downlink OFDMA Cellular Networks

verfasst von: Weifeng Lu, Mingqi Zhu, Siguang Chen, Lijun Yang

Erschienen in: Wireless Personal Communications | Ausgabe 1/2019

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Abstract

In the OFDMA cellular network, in order to improve the throughput of the cell system and the overall resource utilization of the system as well as the quality of service and fairness of the system users. In this paper, we propose a load balancing schema based on the inter-cell relay for the downlink OFDMA cellular networks, and then we research the fairness of intra cell and whole cell system. Based on the frequency reuse pattern, we propose a new type of spectrum division and time slot division model. And then, we calculate the remaining subcarriers by deriving the interference formula according to the SIR. Then, we propose a distance-based fairness scheduling algorithm, which is used for the redistribution of the remaining sub-carriers in the BS and RS region. Besides, we consider the optimization of the relay radius when the fairness of the system is as higher as possible. Finally, the feasibility of the proposed scheme is verified by simulation.
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Metadaten
Titel
Fairness Analysis of Inter-cell Relay in Downlink OFDMA Cellular Networks
verfasst von
Weifeng Lu
Mingqi Zhu
Siguang Chen
Lijun Yang
Publikationsdatum
10.04.2019
Verlag
Springer US
Erschienen in
Wireless Personal Communications / Ausgabe 1/2019
Print ISSN: 0929-6212
Elektronische ISSN: 1572-834X
DOI
https://doi.org/10.1007/s11277-019-06291-4

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