Abstract
Relay is one of the key techniques in LTE-Advanced, which can expand the network coverage, increase the system capacity and improve the cell-edge performance and the fairness among users. Based on the current resource scheduling researches with relay technology, this paper investigates a resource scheduling algorithm called QoS (Quality of Service)-based Two Hop Proportional Fair (QTHPF), which can efficiently guarantee the multi-service QoS performance in a cognitive LTE-Advanced relay system. Our basic idea is to establish the optimized frequency lists corresponding to different services and to introduce the multi-service utility function to calculate scheduling priority. Extensive simulation results confirm that the proposed algorithm improves the fairness, QoS performance and system throughput, and reduces the channel switching frequency.
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Acknowledgment
This work is supported by the State Major Science and Technology Special Projects under Grant No. 2014ZX03004002.
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Zhang, Y., Zhang, Y., Zhang, Y., Si, X., Liu, B. (2016). An Efficient Multi-service Resource Scheduling Algorithm in Cognitive Relay System. In: Zu, Q., Hu, B. (eds) Human Centered Computing. HCC 2016. Lecture Notes in Computer Science(), vol 9567. Springer, Cham. https://doi.org/10.1007/978-3-319-31854-7_56
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DOI: https://doi.org/10.1007/978-3-319-31854-7_56
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