Dynamic Spectrum Allocation Algorithms for Industrial Cognitive Radio Networks

被引：19
|
作者：
Sahoo, Prasan Kumar [1 ,2 ]
Mohapatra, Sulagna [1 ]
Sheu, Jang-Ping [3 ]
机构：
[1] Chang Gung Univ, Dept Comp Sci & Informat Engn, Guishan 33302, Taiwan
[2] Chang Gung Mem Hosp, Div Cardiol, Dept Internal Med, Linkou 33305, Taiwan
[3] Natl Tsing Hua Univ, Dept Comp Sci, Hsinchu 30013, Taiwan
来源：
IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS | 2018年 / 14卷 / 07期
关键词：
Asynchronous; channel hopping (CH); cognitive radio networks (CRNs); symmetric; synchronous; CONTROL CHANNEL ESTABLISHMENT;
D O I：
10.1109/TII.2017.2774240
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Irregular spectrum usage and spectrum scarcity in emergency situations is a common problem in industrial wireless networks. To enhance the dynamic spectrum usage, cognitive radio network (CRN) is introduced in various automotive industrial wireless applications named as industrial cognitive radio network (ICRN). However, establishing the control channel by using channel hopping mechanism in ICRN is a challenging problem. In order to achieve reliable performance in ICRN, efficient channel hopping protocols need to be designed. In this paper, two channel hopping protocols are designed for the ICRN with or without the global clock synchronization to maximize the degree of rendezvous within the shortest time, minimize the inter rendezvous intervals and to reduce the maximum time to rendezvous by two secondary users. Performance evaluation of our protocols outperform in terms of throughput, percentage of rendezvous and average time to rendezvous over existing CRN protocols.
引用
收藏
页码：3031 / 3043
页数：13
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