A Survey on Spectrum Utilization in Wireless Sensor Networks

[摘要] In recent years, the industrial, scientific, andmedical (ISM) bands have been intensively shared withunlicensed wireless communications applications such aswireless sensor networks (WSNs). With flourishing popularityof sensor devices and increasing installation of wirelesssensor nodes, the cross technology interference (CTI) hasbecome a considerable real-world problem. Because of CTI,wireless devices suffer significant communication dilemma. Moreover, ISM band, as the main communication mediumof WSN, should be reasonably utilized in an efficient andeffective manner. Extensive approaches have been proposedto explore spectrum utilization in WSN. However, there isno such one, which systematically organizes these works. In this paper, we present a comprehensive survey on spectrumutilization in WSNs. To achieve this goal, We firstillustrate the background of WSN and spectrum utilization. Our concern on CTI is then noted. Later we demonstratethe importance of efficient spectrum utilization. Eventually,through classification and summary of recent related works,we provide an essential structure of research in titled fieldand detailed intellectual merits of published works. Oursurvey covers more than 80 studies in the scope of spectrumutilization in WSN.

[学科分类] 自动化工程