Advances in Cognitive Radio Sensor Networks
نویسندگان
چکیده
منابع مشابه
Challenges in Cognitive Radio Sensor Networks
Current spectrum resources are lack due to inflexible spectrum sharing regulations and underutilization of licensed band for primary users (PUs). Cognitive radio (CR) technology is proposed to address this problem. CR technology enables secondary users (SUs) access temporally unused licensed spectrum in opportunistic manner. Benefit from high spectrum efficiency, CR technology has been widely u...
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The rapid expansion of wireless monitoring and surveillance applications in several domains reinforces the trend of exploiting emerging technologies such as the cognitive radio. However, these technologies have to adjust their working concepts to consider the common characteristics of conventional wireless sensor networks (WSNs). The cognitive radio sensor network (CRSN), still an immature tech...
متن کاملSecurity in Cognitive Radio Networks Security in Cognitive Radio Networks
While bringing the potential for solving the spectrum underutilization problem using methods such as dynamic and opportunistic spectrum access, Cognitive Radios (CRs) also bring a set of security issues and potential breaches that have to be addressed. These issues come out mainly from the two important capabilities implemented within CRs: their cognition ability and reconfigurability. This cha...
متن کاملApplications of Cognitive Radio Networks: Recent Advances and Future Directions
1Department of Information and Communication Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea 2Department of Computer Science, Texas Southern University, Houston, TX 77004, USA 3Department of Electric and Communication Engineering, Cankaya University, 06790 Ankara, Turkey 4Department of Electrical, Electronic and Power Engineering, Aston University, Birmingham B4 7ET, UK 5De...
متن کاملReliability and congestion control in cognitive radio sensor networks
Communication requirements for cognitive radio sensor networks (CRSN) necessitate addressing the problems posed by dynamic spectrum access (DSA) in an inherently resource-constrained sensor networks regime. In this paper, arising challenges for reliability and congestion control due to incorporation of cognitive radio capability into sensor networks are investigated along with the open research...
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ژورنال
عنوان ژورنال: International Journal of Distributed Sensor Networks
سال: 2014
ISSN: 1550-1477,1550-1477
DOI: 10.1155/2014/631624