Zobrazeno 1 - 10
of 12 520
pro vyhledávání: '"Spectrum Sensing"'
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2024, Iss 1, Pp 1-22 (2024)
Abstract Compressive sensing (CS) has been widely used to sense the wideband spectrum with fewer measurements by taking advantage of radio spectrum underutilization. As new smart devices, such as IoT devices, smart home devices, and wearables, use ba
Externí odkaz:
https://doaj.org/article/3784f2ee82084001ab33399f9d6cf5f0
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2024, Iss 1, Pp 1-17 (2024)
Abstract In the realm of green communications, the focus is on achieving high spectrum efficiency and low energy consumption. This paper addresses the crucial goal of reducing energy usage in green cognitive radio networks (CRNs) during communication
Externí odkaz:
https://doaj.org/article/50758b5342f04a14bae04dcc28dcaafb
Publikováno v:
Signals, Vol 5, Iss 3, Pp 438-459 (2024)
This paper addresses the problem of noncooperative spectrum sensing in very low signal-to-noise ratio (SNR) conditions. In our approach, detecting an unoccupied bandwidth consists of detecting the presence or absence of a communication signal on this
Externí odkaz:
https://doaj.org/article/c1382c8847314a348b8bb12d66041ccb
Publikováno v:
ICT Express, Vol 10, Iss 3, Pp 472-478 (2024)
In CRNs, it is crucial to develop an efficient and reliable spectrum detector that consistently provides accurate information about the channel state. In this work, we investigate a CSS in a fully-distributed environment where all secondary users (SU
Externí odkaz:
https://doaj.org/article/6de8f73506c04ee6873c90ed9030213d
Autor:
E. Vargil Vijay, K. Aparna
Publikováno v:
e-Prime: Advances in Electrical Engineering, Electronics and Energy, Vol 9, Iss , Pp 100659- (2024)
Spectrum sensing is a vital element of cognitive radio networks. It's the basis for unlicensed users to access underutilized bands without disturbing licensed or primary users (PUs). Deep learning has given a better way to analyze signals compared to
Externí odkaz:
https://doaj.org/article/edb0c7e6555f4452887901ffdf35b0f5
Publikováno v:
F1000Research, Vol 13 (2024)
Background Researchers are focusing their emphasis on quick and real-time healthcare and monitoring systems because of the contemporary modern world’s rapid technological improvements. One of the best options is smart healthcare, which uses a varie
Externí odkaz:
https://doaj.org/article/d4af7e85e4ed4b1d9ba457a9e928a862
Autor:
Masoud Moradkhani, Farzad Soltanian
Publikováno v:
مهندسی مخابرات جنوب, Vol 13, Iss 51, Pp 22-36 (2024)
By performing cooperative spectrum sensing in a cognitive radio network, although the network throughput increases with the increase in the number of secondary users, but at the same time, it also causes an increase in energy consumption. This makes
Externí odkaz:
https://doaj.org/article/cb9c5bbc2fcb4ea6aef7d8f01a27902f
Publikováno v:
Journal of Communications Software and Systems, Vol 20, Iss 1, Pp 38-46 (2024)
Blind spectrum sensing (BSS) is crucial for identifying unknown signals in scenarios with limited prior knowledge. Traditional methods face challenges with unknown and timevarying signals, especially in the presence of noise interference. This paper
Externí odkaz:
https://doaj.org/article/db423a31b6b5401db58c640def40c633
Autor:
K. A. Sharada, T. R. Mahesh, Saravanan chandrasekaran, R. Shashikumar, V. Vinoth Kumar, Jonnakuti Rajkumar Annand
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-15 (2024)
Abstract Optimization algorithms have come a long way in the last several decades, with the goal of reducing energy consumption and minimizing interference with primary users during data transmission over shorter distances. The adaptive ant colony di
Externí odkaz:
https://doaj.org/article/5e2b526613b7435883f2a4f470e320eb
Autor:
Eate Vargil Vijay, K Aparna
Publikováno v:
Ain Shams Engineering Journal, Vol 15, Iss 7, Pp 102784- (2024)
Cognitive radio has been recommended for enhancing wireless spectrum usage, and an important part of cognitive radio is spectrum sensing. Conventional spectrum sensing techniques rely on energy detection and feature extraction from a received signal
Externí odkaz:
https://doaj.org/article/0aca8092111946b684d38365a128d19d