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2018
The predictive analysis for the spectral decision with automatic Learning is a task that is currently challenging. Some automatic Learning techniques are shown in order to predict the presence or absence of a primary user (PU) in Cognitive Radio. Four machine learning methods are examined including the K-nearest neighbors (KNN), the support vector ...
Deisy Dayana Zambrano Soto +2 more
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The predictive analysis for the spectral decision with automatic Learning is a task that is currently challenging. Some automatic Learning techniques are shown in order to predict the presence or absence of a primary user (PU) in Cognitive Radio. Four machine learning methods are examined including the K-nearest neighbors (KNN), the support vector ...
Deisy Dayana Zambrano Soto +2 more
openaire +1 more source
Stable throughput of secondary user in cognitive relay system
Proceedings of the 6th International Wireless Communications and Mobile Computing Conference, 2010In the considered multiple access network, the primary users transmit in the allocated mutual orthogonal channels. Meanwhile, the secondary user conducts spectrum sensing and seeks transmission opportunities in the temporarily unoccupied primary channels. In order to improve the stable throughput of secondary user, we propose a cognitive relay strategy,
Haiyan Luo +2 more
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Estimation of the Primary User's Beam Width Using Cooperative Secondary Users
2021 IEEE 94th Vehicular Technology Conference (VTC2021-Fall), 2021Zeinab Kteish +4 more
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Secondary user energy consumption in cognitive radio networks
AFRICON 2015, 2015In a cognitive radio network, secondary unlicensed users are opportunistically allowed to utilize licensed spectrum band when the primary user or licensed user is not present in the cognitive radio environment. Energy is consumed by these secondary users in utilizing the licensed spectrum band before giving up access to the primary user. In this paper,
Efe Francis Orumwense +2 more
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Cooperative Spectrum Sharing Protocol with Secondary User Selection
IEEE Transactions on Wireless Communications, 2010In this paper, we propose a two-phase protocol based on cooperative relaying for a secondary system to achieve spectrum access along with a primary system. The primary system comprises of a transmitter-receiver pair PT-PR, and the secondary system comprises of M transmitters STi, i ∈ {1, 2,..., M} and a common receiver SR. The secondary transmitter STp
Yang Han 0001 +2 more
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Optimal power allocation for secondary users in CR networks
2011 Fifth IEEE International Conference on Advanced Telecommunication Systems and Networks (ANTS), 2011Cognitive Radio (CR) increases spectrum utilization by allowing unlicensed secondary users to concurrently operate with the licensed primary users. The side-lobes of an OFDM-based secondary user (SU) causes unwanted interference to the sub-carriers of OFDM-based primary user (PU). The objective is to assign power to the sub-carriers of SU in such a way
N. Kalpana +2 more
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Enforcing Privacy in Secondary User Information Sharing and Usage
2013Secondary user information sharing and usage for purposes other than what it was primarily collected for has become an increasing trend, especially, as we witness a surge in the volume of data collected from and about users online. Although, allowing secondary sharing and usage of data in new and innovative ways is beneficial to the user and the ...
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Interference Detection Among Secondary Users Deployed in Television Whitespace
Lecture Notes in Networks and Systems, 2023Emmanuel Adetiba +2 more
exaly
Designing for Secondary Users of Intimate Technologies
Proceedings of the 2025 ACM Designing Interactive Systems ConferenceAlejandra Gómez Ortega +7 more
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Secondary user selection for distorted cognitive radio network
International Journal of Advanced Intelligence Paradigms, 2021Kolluru Suresh Babu, Srikanth Vemuru
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