Zobrazeno 1 - 10
of 13 722
pro vyhledávání: '"reflecting"'
Publikováno v:
IET Communications, Vol 18, Iss 20, Pp 1943-1955 (2024)
Abstract Satellite communications (SatCom) have been viewed as a promising technique to achieve ubiquitous global coverage in next‐generation wireless systems. This article investigates the secure energy efficient downlink transmission for SatCom w
Externí odkaz:
https://doaj.org/article/a089ba44ca9d4fb0b38ab864256d1f0f
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:
IEEE Open Journal of Vehicular Technology, Vol 6, Pp 1-12 (2025)
Intelligent reflecting surface (IRS) is a promising enabler for achieving communication quality of service (QoS) and enhancing sensing QoS in Integrated Sensing and Communication (ISAC) systems. It has been regarded as one of the most attractive solu
Externí odkaz:
https://doaj.org/article/6103fa4341184841abfe74ad0995028a
Autor:
Xiaolei Liu, Sisi Wang
Publikováno v:
地震科学进展, Vol 54, Iss 9, Pp 590-596 (2024)
This article selected the monitoring data of the TJ-2 volumetric strain gauge at Yixian seismic station from 2020 to 2022, and analyzed the continuity, completeness, annual drift, and accuracy of the volumetric strain data during this period. By anal
Externí odkaz:
https://doaj.org/article/f92ee96e555246298ec129574051a0da
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