scholarly journals PSNR Enhancement in Image Streaming over Cognitive Radio Sensor Networks

ETRI Journal ◽  
2017 ◽  
Vol 39 (5) ◽  
pp. 683-694 ◽  
Author(s):  
Mahdi Bahaghighat ◽  
Seyed Ahmad Motamedi
Keyword(s):  
Cognitive Radio ◽  
Sensor Networks ◽  
Cognitive Radio Sensor Networks ◽  
Image Streaming

scholarly journals An Energy-Efficient Spectrum-Aware Reinforcement Learning-Based Clustering Algorithm for Cognitive Radio Sensor Networks

Sensors ◽  
2015 ◽  
Vol 15 (8) ◽  
pp. 19783-19818 ◽  
Author(s):  
Ibrahim Mustapha ◽  
Borhanuddin Ali ◽  
Mohd Rasid ◽  
Aduwati Sali ◽  
Hafizal Mohamad
Keyword(s):  
Reinforcement Learning ◽  
Cognitive Radio ◽  
Sensor Networks ◽  
Energy Efficient ◽  
Clustering Algorithm ◽  
Cognitive Radio Sensor Networks

Cognitive Radio Sensor Networks in Industrial Applications

2017 ◽  
pp. 319-337
Author(s):  
A. Ozan Bicen ◽  
Ozgur B. Akan
Keyword(s):  
Cognitive Radio ◽  
Sensor Networks ◽  
Industrial Applications ◽  
Cognitive Radio Sensor Networks

scholarly journals Downlink and Uplink Cooperative Transmission for Primary Secrecy Based Cognitive Radio Sensor Networks

2015 ◽  
Vol 2015 ◽  
pp. 1-14
Author(s):  
Dawei Wang ◽  
Pinyi Ren ◽  
Qinghe Du ◽  
Li Sun ◽  
Yichen Wang
Keyword(s):  
Cognitive Radio ◽  
Sensor Networks ◽  
Optimization Problems ◽  
Transmission Rate ◽  
Cooperative Relaying ◽  
Cooperative Transmission ◽  
Primary System ◽  
Transmit Power ◽  
Cognitive Radio Sensor Networks ◽  
Secure Transmission

Aiming at allocating more licensed spectrum to wireless sensor nodes (SNs) under the constraint of the information security requirement of the primary system, in this paper, we propose a cooperative relaying and jamming secure transmission (CRJS) scheme in which SNs will relay primary message and jam primary eavesdrop concurrently with SN’s downlink and uplink information transmission in cognitive radio sensor networks (CRSNs). In our proposed CRJS scheme, SNs take advantages of physical layer secure technologies to protect the primary transmission and acquire some interference-free licensed spectrum as a reward. In addition, both decode-and-forward (DF) and amplify-and-forward (AF) relaying protocols are investigated in our proposed CRJS scheme. Our object is to maximize the transmission rate of SNs by optimal allocating of the relaying power, jamming power, and downlink and uplink transmit power under the target secure transmission rate requirement of the primary system. Moreover, two suboptimal algorithms are proposed to deal with these optimization problems. Furthermore, we analyze the transmission rate of SNs and allocate the relaying power, jamming power, and downlink and uplink transmit power for the asymptotic scenarios. Simulation results demonstrate the performance superiority of our developed strategy over conventional jamming scheme in terms of the transmission rate of WSN.

scholarly journals Study of Multi-Armed Bandits for Energy Conservation in Cognitive Radio Sensor Networks

Sensors ◽  
2015 ◽  
Vol 15 (4) ◽  
pp. 9360-9387 ◽  
Author(s):  
Juan Zhang ◽  
Hong Jiang ◽  
Zhenhua Huang ◽  
Chunmei Chen ◽  
Hesong Jiang
Keyword(s):  
Cognitive Radio ◽  
Sensor Networks ◽  
Energy Conservation ◽  
Cognitive Radio Sensor Networks
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