Zobrazeno 1 - 10
of 4 607
pro vyhledávání: '"Reflecting surface"'
Publikováno v:
Digital Communications and Networks, Vol 10, Iss 5, Pp 1503-1528 (2024)
Non-Orthogonal Multiple Access (NOMA) has already proven to be an effective multiple access scheme for 5th Generation (5G) wireless networks. It provides improved performance in terms of system throughput, spectral efficiency, fairness, and energy ef
Externí odkaz:
https://doaj.org/article/751ab2506b9a4f28b5c63ba0070cba46
Publikováno v:
Gong-kuang zidonghua, Vol 50, Iss 8, Pp 144-150 (2024)
A channel estimation method for intelligence reflecting surface (IRS) assisted mine communication system based on self supervised learning (SSL) is proposed to address the problems of multipath fading, non line of sight communication, and difficulty
Externí odkaz:
https://doaj.org/article/47385259e8ef4aa58324327aa12fd28f
Publikováno v:
Dianxin kexue, Vol 40, Pp 76-87 (2024)
Intelligent reflecting surface (IRS)-assisted device-to-device (D2D) communications in heterogeneous cloud radio access network (H-CRAN) were investigated as research background. Resource allocation and Riemannian conjugate gradient (RCG) beamforming
Externí odkaz:
https://doaj.org/article/4bc6c014bf5d41648011a8e75828867f
Publikováno v:
Dianxin kexue, Vol 40, Pp 63-75 (2024)
To address the issues of frequency switching differences between communication and sensing systems in traditional integrated sensing and communication (ISAC) scenarios, as well as the susceptibility of communication to obstruction by obstacles, the i
Externí odkaz:
https://doaj.org/article/04f47b7fd59a463bbc2d94c8ddd65039
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-11 (2024)
Abstract A compact low-profile multi-band millimeter-wave (mm-wave) reflectarray metasurface design is presented for coverage enhancement in 5G and beyond cellular communication. The proposed single-layer metasurface exhibits a stable reflection resp
Externí odkaz:
https://doaj.org/article/4eea6ba10a874b6ca3ad68ce3de59a80
Autor:
E. Elakkiyachelvan, R.J. Kavitha
Publikováno v:
Ain Shams Engineering Journal, Vol 15, Iss 11, Pp 103043- (2024)
In large-scale massive MIMO systems with intelligent reflecting surfaces (IRS), dynamic channel estimation (CE) is essential for optimizing the system performance and ensuring reliable communication. Traditional channel estimation techniques are not
Externí odkaz:
https://doaj.org/article/32031cd2a8d64d0782d828150234b8c7
Autor:
LUO Liping, PAN Weimin
Publikováno v:
物联网学报, Vol 8, Pp 46-55 (2024)
For the intelligent reflecting surface (IRS)-assisted multiple input single output (MISO) simultaneous wireless information and power transfer (SWIPT) system, the beam forming vector at the base station and the reflected beam forming vector of the IR
Externí odkaz:
https://doaj.org/article/7d2c26179af849ac93f48ea438fe343d
Autor:
Muteen Munawar, Kyungchun Lee
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2024, Iss 1, Pp 1-21 (2024)
Abstract The metasurface is a promising technology that can help next-generation wireless communication systems not only improve the signal-to-noise ratio (SNR), but also increase security and mitigate interference. Further, introducing dual polariza
Externí odkaz:
https://doaj.org/article/c9d1d4cc69b64f7e9b8fecf7d9302868
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