Zobrazeno 1 - 10
of 5 016
pro vyhledávání: '"Relay selection"'
Autor:
Ramesh Babu Chennaboin, S. Nandakumar
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2024, Iss 1, Pp 1-45 (2024)
Abstract Enhancement in both energy efficiency and spectral efficiency in cellular networks is made possible by means of an advanced technique called device-to device (D2D) communication. The enhancement of these efficiencies is done by utilizing the
Externí odkaz:
https://doaj.org/article/d1210544ac1b46afb9a0c5b470752ead
Publikováno v:
ETRI Journal, Vol 46, Iss 3, Pp 446-460 (2024)
In this paper, we mathematically investigate a downlink non-orthogonal multiple access (NOMA) system for short-packet communications (SPC) in which the near users are used as full-duplex (FD) relays to forward intended signals from the source to a fa
Externí odkaz:
https://doaj.org/article/36435f1dd2554395b51a6eb2aaf8fbe4
Publikováno v:
EAI Endorsed Transactions on Energy Web, Vol 11 (2024)
To further improve the spectral efficiency of the cooperative non-orthogonal multiple access (NOMA) network with half-duplex (HD) relaying and avoid the zero diversity gain due to the imperfect self interference estimation at high signa-to-noise rati
Externí odkaz:
https://doaj.org/article/89e78270b2d14b91903abdcfdafd515d
Publikováno v:
ICT Express, Vol 10, Iss 2, Pp 285-291 (2024)
Ultraviolet communication (UVC) is a promising technology due to its ability to operate in non-line-of-sight (NLOS) mode thereby eliminating the pointing acquisition and tracking (PAT) requirement as needed by infrared and visible light communication
Externí odkaz:
https://doaj.org/article/450f64510dfd446788fb0ec04acf6a86
Autor:
Menaa Saber, Khelil Abdellatif
Publikováno v:
Journal of Telecommunications and Information Technology, Vol 3, Iss 3 (2024)
Selection strategies prove to be a valuable approach in mitigating complexity associated with antenna selection (AS) and relay selection (RS), optimizing signal transmission through a streamlined number of antennas/relays, and enhancing overall syste
Externí odkaz:
https://doaj.org/article/7efcda0ac8b04ec6857c3fd847682a34
Autor:
Weidong Guo, Xinyan Wang
Publikováno v:
IEEE Access, Vol 12, Pp 104833-104845 (2024)
This paper investigates the secrecy performance of a multi-relay non-orthogonal multiple access (NOMA) network. Considering the presence of eavesdroppers, an optimal relay selection scheme and a jamming signal transmission scheme for both amplify-and
Externí odkaz:
https://doaj.org/article/b82ce0549f1e41b880804cbd5b87d7e6
Autor:
Gandlapalli Nagesham, Suseela Vappangi
Publikováno v:
IEEE Access, Vol 12, Pp 101419-101435 (2024)
Among diverse number of strategies which are currently under investigation for upcoming wireless networks, non-orthogonal multiple access (NOMA) seems to be noteworthy. Recent research has focused on relay selection for cooperative simultaneous wirel
Externí odkaz:
https://doaj.org/article/12ba6c4baf174b7db6e84052f314fb59
Publikováno v:
IEEE Access, Vol 12, Pp 35097-35108 (2024)
Recently, multi-hop flying ad hoc networks (FANETs) have received considerable attention because of their various advantages, such as ease of deployment, scalability, cost, and latency reduction. However, FANETs still encounter serious problems such
Externí odkaz:
https://doaj.org/article/06b85a38b2ca46ee9611ac280bf2ca0c
Autor:
Esraa M. Ghourab, Lina Bariah, Sami Muhaidat, Paschalis C. Sofotasios, Mahmoud Al-Qutayri, Ernesto Damiani
Publikováno v:
IEEE Access, Vol 12, Pp 12424-12436 (2024)
Cooperative communications is a core research area in wireless vehicular networks (WVNs), thanks to its capability to provide a certain degree of fading mitigation and to improve spectral efficiency. In a cooperative scenario, the intercept probabili
Externí odkaz:
https://doaj.org/article/804048974d9d407c8688445cdaf17f2c
Publikováno v:
Intelligent and Converged Networks, Vol 4, Iss 3, Pp 206-224 (2023)
In large-scale networks such as the Internet of Things (IoT), devices seek multihop communication for long-distance communications, which considerably impacts their power exhaustion. Hence, this study proposes an energy harvesting-enabled, relay-base
Externí odkaz:
https://doaj.org/article/64b3b7f207ca4952909cef2601b59b30