A Packet Scheduling Mechanism on Cognitive Radio Networks for Smart Grid

doi:10.13190/j.jbupt.2015.s1.004

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2015, Vol. 38 ›› Issue (s1): 15-19.doi: 10.13190/j.jbupt.2015.s1.004

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A Packet Scheduling Mechanism on Cognitive Radio Networks for Smart Grid

XU Si-ya¹, ZHANG Guo-yi², GUO Shao-yong¹, QIU Xue-song¹, MENG Luo-ming¹

1. State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing 100876, China;
2. Department of Communication Management, China Southern Power Grid Company Limited, Guangzhou 510623, China

Received:2014-08-27 Online:2015-06-28 Published:2015-06-28

Abstract

Abstract:

To achieve rational and efficient usage of radio spectrum, a priority-based packet scheduling mechanism on cognitive radio sensor networks for smart grid was presented. It provides higher priority secondary user packets with relatively high quality of service (QoS) without interfering the transmission of important business for network control. Based on differentiated scheduling method, communication traffic in smart grid was classified into several priority classes according to characteristics and QoS requirements of heterogeneous business. And then, a radio spectrum allocation strategy was formulated which considered the effect of channel quality and the cost of switch. Simulation was implemented to evaluate the mechanism by using Matlab. The simulation results show that the transmission quality of the higher-priority secondary users is improved by adopting the proposed priority-based packet scheduling mechanism and the overall system utilization is increased as well.

Key words: smart grid, cognitive radio sensor networks, quality of service, scheduling mechanism

CLC Number:

TN915.853

XU Si-ya, ZHANG Guo-yi, GUO Shao-yong, QIU Xue-song, MENG Luo-ming. A Packet Scheduling Mechanism on Cognitive Radio Networks for Smart Grid[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2015, 38(s1): 15-19.

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A Packet Scheduling Mechanism on Cognitive Radio Networks for Smart Grid

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