A Qo S-Aware Packet Scheduling Mechanism in Cognitive Radio Networks for Smart Grid Applications

被引：0

作者：

XU Siya ^{[1
]}

WEI Lei ^{[2
]}

LIU Zhu ^{[3
]}

GUO Shaoyong ^{[1
]}

QIU Xuesong ^{[1
]}

MENG Luoming ^{[1
]}

机构：

[1] State Key Laboratory of Network and Switching Technology, Beijing University of Posts and Telecommunications

[2] Information & Telecommunication Branch of Nanjing Power Supply Company of State Grid Jiangsu Electric Power Company

[3] State Grid Information & Telecommunication Co.,Ltd.

来源：

China Communications | 2016年 / 02期

关键词：

smart grid; cognitive radio sensor networks(CRSN); quality of service(Qo S); scheduling mechanism;

D O I：

暂无

中图分类号：

TN925 [无线电中继通信、微波通信]; TP212.9 [传感器的应用];

学科分类号：

080202 ; 080402 ; 080904 ; 0810 ; 081001 ;

摘要：

Cognitive radio sensor network is applied to facilitate network monitoring and management, and achieves high spectrum efficiencies in smart grid. However, the conventional traffic scheduling mechanisms are hard to provide guaranteed quality of service for the secondary users. It is because that they ignore the influence of diverse transition requirements in heterogeneous traffi c. Therefore, a novel Qo S-aware packet scheduling mechanism is proposed to improve transmission quality for secondary users. In this mechanism, a Qo S-based prioritization model is established to address data classification firstly. And then, channel quality and the effect of channel switch are integrated into priority-based packet scheduling mechanism. At last, the simulation is implemented with MATLAB and OPNET. The results show that the proposed scheduling mechanism improves the transmission quality of high-priority secondary users and increase the whole system utilization by 10%.

引用

页码：68 / 78

页数：11

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