A Double-stage Reservation-based MAC Scheme for Distributed Cognitive Radio Networks

被引:0
作者
Luis, Miguel [1 ,2 ]
Oliveira, Rodolfo [1 ,2 ]
Dinis, Rui [1 ,2 ]
Bernardo, Luis [1 ,2 ]
机构
[1] Univ Nova Lisboa, FCT, Dept Engn Electrotecn, CTS,UNINOVA, P-2829516 Caparica, Portugal
[2] IT, Lisbon, Portugal
来源
2015 IEEE INTERNATIONAL SYMPOSIUM ON DYNAMIC SPECTRUM ACCESS NETWORKS (DYSPAN) | 2015年
关键词
Cognitive Radio; Medium Access Control; Modeling and Performance Analysis; OPPORTUNISTIC SPECTRUM ACCESS; PROTOCOL;
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In this work we address a scenario where multiple non-licensed cognitive radios communicate with a receiving node (e.g. an access point) when licensed users do not use the spectrum. A Medium Access Control (MAC) protocol is proposed for the non-licensed users, denominated Cognitive Radio Reservation MAC (C2RMAC), which adopts a double stage scheme to schedule each node's transmission. In the first stage the number of competing non-licensed nodes is decreased to reduce their probability of collision. In the second stage a reservation procedure is employed to schedule the transmission of the non-licensed users. Several simulation results evaluate the performance of C2RMAC showing the effectiveness of the proposed solution.
引用
收藏
页码:301 / 304
页数:4
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