Joint Admission and Power Control for Cognitive Radio Cellular Networks
In cognitive radio cellular networks (CogCell), the Secondary Users (SUs) can be admitted to the Base Station (BS) provided that the interferences to the Primary Users (PUs) are no higher than the pre-de.ned thresholds. In addition, different SUs may make different payments and require different Quality of Service (QoS). In this paper, we investigate the maximally achievable revenue obtained from SUs subjected to the interference constraints on PUs and QoS requirements of SUs. To solve the identi.ed issue, we propose an ef.cient Joint Admission and Power Control scheme using a Minimal Revenue Ef.ciency Removal algorithm (JAPC-MRER). In comparison with the other two schemes JAPC-MSRA and JAPC-Random, our strategy can achieve much higher revenue with guaranteed interference requirements and QoS demands. In addition, the proposed scheme is evaluated with the effects of the key parameters, i.e. the number of PUs, the number of SUs and the interference threshold.
Cognitive Radio Admission Control Power Control Cognitive Radio Cellular Networks (CogCell)
Jie Xiang Yan Zhang Tor Skeie
Simula Research Laboratory,Norway. Department of Informatics,University of Oslo,Norway.
国际会议
广州
英文
2008-11-19（万方平台首次上网日期，不代表论文的发表时间）