• KSII Transactions on Internet and Information Systems
    Monthly Online Journal (eISSN: 1976-7277)

Sum Transmission Rate Maximization Based Cooperative Spectrum Sharing with Both Primary and Secondary QoS-Guarantee

Vol. 10, No.5, May 31, 2016
10.3837/tiis.2016.05.004, Download Paper (Free):

Abstract

In this paper, we propose a sum transmission rate maximization based cooperative spectrum sharing protocol with quality-of-service (QoS) support for both of the primary and secondary systems, which exploits the situation when the primary system experiences a weak channel. The secondary transmitter bST which provides the best performance for the primary and secondary systems is selected to forward the primary signal. Specifically, bST helps the primary system achieve the target rate by using a fraction of its power to forward the primary signal. As a reward, it can gain spectrum access by using the remaining power to transmit its own signal. We study the secondary user selection and optimal power allocation such that the sum transmission rate of primary and secondary systems is maximized, while the QoS of both primary and secondary systems can be guaranteed. Simulation results demonstrate the efficiency of the proposed spectrum sharing protocol and its benefit to both primary and secondary systems.


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Cite this article

[IEEE Style]
Weidang Lu, Yufei Zhu, Mengyun Wang, Hong Peng and Xin Liu, "Sum Transmission Rate Maximization Based Cooperative Spectrum Sharing with Both Primary and Secondary QoS-Guarantee," KSII Transactions on Internet and Information Systems, vol. 10, no. 5, pp. 2015-2028, 2016. DOI: 10.3837/tiis.2016.05.004

[ACM Style]
Lu, W., Zhu, Y., Wang, M., Peng, H., and Liu, X. 2016. Sum Transmission Rate Maximization Based Cooperative Spectrum Sharing with Both Primary and Secondary QoS-Guarantee. KSII Transactions on Internet and Information Systems, 10, 5, (2016), 2015-2028. DOI: 10.3837/tiis.2016.05.004