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Channel Cognitive Wireless Sensor System Based on Spectrum Sensing Technology
- Authors
- Yoon, Won-Sang; Lee, Seok-Jae; Han, Sang-Min
- Issue Date
- Mar-2014
- Publisher
- Institute of Electrical and Electronics Engineers
- Keywords
- Channel selective receivers; cognitive radio; communication systems; super-regenerative receivers (SRRs); wireless sensor networks
- Citation
- IEEE Transactions on Antennas and Propagation, v.62, no.3, pp 1157 - 1164
- Pages
- 8
- Journal Title
- IEEE Transactions on Antennas and Propagation
- Volume
- 62
- Number
- 3
- Start Page
- 1157
- End Page
- 1164
- ISSN
- 0018-926X
1558-2221
- Abstract
- A channel cognitive wireless sensor system is proposed for low-power sensor network applications. Based on an RF spectrum sensing technology, the proposed receiver system is designed with channel-selective operation only for a valid input RF signal at a designated frequency channel. The new receiver architecture was implemented at the ISM band of 2.4-2.5 GHz. The system performance was evaluated by Bit-Error-Rate (BER) measurements with a data-rate of 64 kbps and a random data pattern of 2(9) - 1 for the sensitivity and selective receptions, respectively, in various multichannel environments. From the experimental results, the proposed system features excellent channel selectivity for the allocated channels.
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Related Researcher
- Han, Sang Min
- College of Engineering (Department of Information and Communication Engineering)