CRB-MAC: A Receiver-Based MAC Protocol for Cognitive Radio Equipped Smart Grid Sensor Networks

被引：38

作者：

Aijaz, Adnan ^{[1
]}

Ping, Shuyu ^{[1
]}

Akhavan, Mohammad Reza ^{[1
]}

Aghvami, Abdol-Hamid ^{[1
]}

机构：

[1] Kings Coll London, Ctr Telecommun Res, London WC2R 2LS, England

来源：

IEEE SENSORS JOURNAL | 2014年 / 14卷 / 12期

关键词：

Smart grid; wireless sensor networks; cognitive radio; MAC protocol; preamble sampling;

D O I：

10.1109/JSEN.2014.2346430

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

080906 [电磁信息功能材料与结构]; 082806 [农业信息与电气工程];

摘要：

Wireless sensor networks (WSNs) have been widely recognized as a promising solution for enhancing various aspects of electric power grid and realizing the vision of smart grid. However, the challenging wireless environment in smart grid creates a number of challenges for WSNs, as a result of which energy efficiency and reliability become critically important. On the other hand, cognitive radio (CR) technology is expected to play a vital role in smart grid networks. The CR equipped sensor networks [or cognitive sensor networks (CSNs)] can effectively address the unique challenges of WSNs in smart grid. In this paper, we aim to design an energy efficient and reliable medium access control (MAC) protocol for CSNs. In this regard, we propose CRB-MAC which is a receiver-based MAC protocol for CSNs. The CRB-MAC uses preamble sampling and opportunistic forwarding techniques for providing high energy efficiency and reliability. In addition, CRB-MAC explicitly accounts for the peculiarities of a CR environment. Analytical and simulation results demonstrate the effectiveness of CRB-MAC as a viable solution for CSNs.

引用

页码：4325 / 4333

页数：9

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