Zobrazeno 1 - 10
of 2 607
pro vyhledávání: '"cooperative spectrum sensing"'
Publikováno v:
Dianxin kexue, Vol 40, Pp 100-113 (2024)
Cooperative spectrum sensing is regarded as the foundation and a key stage of cognitive radio networks. The node allocation strategy during the spectrum detection process was directly determined by the results of joint spectrum sensing. Various metho
Externí odkaz:
https://doaj.org/article/4f1fdfdb816b43d98648e4adbc9ddabe
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:
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
Autor:
Chongyu Yu, Jun Wu, Jin Shen, Han Chen, Ruiyi Zheng, Mingkun Su, Lei Qiao, Jipeng Gan, Weiwei Cao
Publikováno v:
IEEE Access, Vol 12, Pp 130398-130411 (2024)
Due to the rapid development of unmanned aerial vehicles (UAVs) communication technology, UAVs are gradually competing with primary users (PUs) for spectrum resources. Cognitive radio (CR) technology is a promising solution to meet the spectrum requi
Externí odkaz:
https://doaj.org/article/c443fc2551024bc0b30e64d695da322b
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 5323-5336 (2024)
The Internet of Things (IoT) enables the interconnection of multiple devices, typically sharing network resources. These devices must identify a suitable time to access the channel without interfering with each other, which can lead to additional ene
Externí odkaz:
https://doaj.org/article/de0ae1a6f8634b668863d5ff847d81d6
Autor:
Sharad Jain, Ashwani Kumar Yadav, Raj Kumar, Indra Kumar Shah, Prashant Kumar, Saurabh Singh, In-Ho Ra
Publikováno v:
IEEE Access, Vol 12, Pp 48941-48950 (2024)
In recent development and improvement of wireless communication system, the cognitive radio (CR) is a potential approach to utilize spectrum efficiently. Spectrum sensing technique arguably is the most significant component of cognitive radio. Cooper
Externí odkaz:
https://doaj.org/article/23b8ffa73fc1499abc8d1d5182b28a40
Publikováno v:
Tongxin xuebao, Vol 44, Pp 134-145 (2023)
In order to improve the ability of cooperative spectrum sensing to withstand spectrum sensing data falsification (SSDF) attacks, a double reputation and multi-angle weight-based cooperative spectrum sensing (DRMW-CSS) method was proposed.Firstly, a s
Externí odkaz:
https://doaj.org/article/106683f87abb4123a2e65a8d05f283e3
Publikováno v:
Dianxin kexue, Vol 39, Pp 49-63 (2023)
Cooperative spectrum sensing is a key technology in cognitive radio.A data-driven intelligent cooperative spectrum sensing system was proposed with spatial diversity running on a smart contract to address issues of security, privacy, incentive and hi
Externí odkaz:
https://doaj.org/article/2a57b2032cb54a1bab477ef63a465c44
Autor:
Hong Du, Yuhan Wang
Publikováno v:
World Electric Vehicle Journal, Vol 15, Iss 5, p 195 (2024)
To address the shortage of wireless spectrum resources caused by the rapid development of the Internet of Vehicles, spectrum sensing technology in cognitive radio is employed to tackle this issue. In pursuit of superior outcomes, a double-threshold c
Externí odkaz:
https://doaj.org/article/85276cc532bc42f195da3822afde6a80
Publikováno v:
ICT Express, Vol 9, Iss 1, Pp 106-111 (2023)
The different issues in the wireless channel, such as multipath fading, shadowing, and hidden terminal problems, limit the sensing abilities of the single user in a cognitive radio network (CRN). In this connection, it is more suitable to follow coop
Externí odkaz:
https://doaj.org/article/1666e713d7944146bb2810a381da7c33