On Local Connectivity of Cognitive Radio Ad Hoc Networks with Directional Antennas

被引：0
|
作者：
Wang, Yuanyuan [1 ]
Wang, Qiu [1 ]
Dai, Hong-Ning [1 ]
Wang, Haibo [2 ]
Zheng, Zibin [3 ]
Li, Jianqing [1 ]
机构：
[1] Macau Univ Sci & Technol, Taipa, Macau, Peoples R China
[2] Beijing Jiaontong Univ, Beijing, Peoples R China
[3] Sun Yat Sen Univ, Guangzhou, Guangdong, Peoples R China
来源：
2016 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATION SYSTEMS (ICCS) | 2016年
基金：
中国国家自然科学基金;
关键词：
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
In conventional cognitive radio ad hoc networks, both primary users (PUs) and secondary users (SUs) are typically equipped with omni-directional antennas, which can cause high interference. As a result, SUs usually suffer from the poor network connectivity due to the high interference caused by PUs. Different from omni-directional antennas, directional antennas can concentrate the transmission on some desired directions and reduce interference on other undesired directions. In this paper, we investigate the network connectivity of a novel cognitive radio ad hoc network with directional antennas (DIR-CRAHNs), in which both PUs and SUs are equipped with directional antennas. We derive the local connectivity (i.e., probability of node isolation) of such DIR-CRAHNs in closed form and numerical results show that the proposed DIR-CRAHNs have higher local connectivity than conventional cognitive radio ad hoc networks.
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页数：6
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