Zobrazeno 1 - 10
of 7 296
pro vyhledávání: '"ofdma"'
Autor:
Tong Wang
Publikováno v:
Journal of King Saud University: Computer and Information Sciences, Vol 36, Iss 9, Pp 102225- (2024)
The rapid development of wireless-powered Internet of Things (IoT) networks, supported by multiple unmanned aerial vehicles (UAVs) and full-duplex technologies, has opened new avenues for simultaneous data transmission and energy harvesting. In this
Externí odkaz:
https://doaj.org/article/d84240a482e74113a75fb857463e57ee
Autor:
Chih-Chang Shen, Ming-Hua Zhang
Publikováno v:
EURASIP Journal on Advances in Signal Processing, Vol 2024, Iss 1, Pp 1-23 (2024)
Abstract This paper deals with the blind carrier frequency offset (CFO) estimation based on weighted subspace fitting (WSF) criterion with fuzzy adaptive gravitational search algorithm (GSA) for the interleaved orthogonal frequency-division multiplex
Externí odkaz:
https://doaj.org/article/4582c31283424618afb25edd0811ffc0
Autor:
Tong Wang, Chuanchuan You
Publikováno v:
IEEE Access, Vol 12, Pp 63504-63514 (2024)
The rapid deployment of large-scale UAV-assisted cellular networks has emerged as an effective solution for delivering high-speed data services to ground users in areas where terrestrial base station (BS) infrastructure is inadequate. In this paper,
Externí odkaz:
https://doaj.org/article/fabb731fe74149f2a7b56b443a7e8804
Publikováno v:
IEEE Access, Vol 12, Pp 47724-47745 (2024)
This study proposes a novel light detection and ranging (LiDAR) sensor. The sensor integrates a variable field-of-view (FoV) function by utilizing optical orthogonal frequency-division multiple access (OOFDMA) to generate laser pulse streams and a Ri
Externí odkaz:
https://doaj.org/article/5c7b0e021dee4e7d94501e7ae7559ff0
Autor:
Farouk Abduh Kamil Al-Fahaidy, Radwan AL-Bouthigy, Mohammad Yahya H. Al-Shamri, Safwan Abdulkareem
Publikováno v:
EURASIP Journal on Image and Video Processing, Vol 2024, Iss 1, Pp 1-23 (2024)
Abstract Secure transmission of images over wireless communications systems can be done using RSA, the most known and efficient cryptographic algorithm, and OFDMA, the most preferred signal processing choice in wireless communications. This paper aim
Externí odkaz:
https://doaj.org/article/3bdc105441b8496c8bdc0c7323a177ff
Publikováno v:
Sensors, Vol 24, Iss 23, p 7644 (2024)
This paper addresses the critical needs of the aviation industry in advancing towards More Electric Aircraft (MEA) by leveraging power line communication (PLC) technology, which merges data and power transmission to offer substantial reductions in ai
Externí odkaz:
https://doaj.org/article/cfa87db0eb3346df9460606f84908f8c
Autor:
Kiran V. Shanbhag, Dayakshini Sathish
Publikováno v:
International Journal of Electronics and Telecommunications, Vol vol. 69, Iss No 4, Pp 785-791 (2023)
Multicarrier modulation (MCM) based schemes have been a major contributing factor in revolutionizing cellular networks due to their ability to overcome fading. One of the popular scheme orthogonal frequency division multiple access (OFDMA), having be
Externí odkaz:
https://doaj.org/article/d414910f2caf40418f6f011f6db6a4f8
Akademický článek
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Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2023, Iss 1, Pp 1-17 (2023)
Abstract Multimedia data, like images, consumes significant bandwidth when transmitted over wireless systems. Therefore, compressing transmitted images becomes crucial to reduce the required bandwidth and improve energy efficiency. This work aims to
Externí odkaz:
https://doaj.org/article/a70ee651704a4fe3bdb99e4633a295a1
Publikováno v:
Journal of King Saud University: Computer and Information Sciences, Vol 36, Iss 3, Pp 102005- (2024)
Uplink Orthogonal Frequency Division Multiple Access (OFDMA) Random Access (UORA) is a prominent feature within the IEEE 802.11ax protocol, widely employed in Wireless Local Area Networks (WLANs). UORA’s operation centers on two critical elements:
Externí odkaz:
https://doaj.org/article/e9f7aed3c2fe4bbb83bf2862523cf9af