Zobrazeno 1 - 10
of 859
pro vyhledávání: '"sub-6 ghz"'
Autor:
Mahdi Salehi, Homayoon Oraizi
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-19 (2024)
Abstract This study presents the design of four $$178\times 178$$ 178 × 178 (mm) $$^{2}$$ 2 wideband, high gain, highly efficient metasurface-based 4T4R MIMO (Multiple-Input Multiple-Output) antennas with highly isolated ports, covering the middle a
Externí odkaz:
https://doaj.org/article/e98c50a249b64f88a5d9611d9c525d21
Autor:
Rabia Khan, Waleed Tariq Sethi, Waqar Ahmad Malik, Latif Jan, Muhammad M. Tahseen, Ali M. Almuhlafi, Mohamed Himdi
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-22 (2024)
Abstract This paper presents a novel quad-element array with multiple inputs and multiple outputs (MIMO) designed for 5th generation sub-6 GHz applications. The MIMO system achieves a wide impedance bandwidth, high gain, and high isolation among its
Externí odkaz:
https://doaj.org/article/d3335e7e95a648cf9dc747df41ef28a0
Publikováno v:
Beni-Suef University Journal of Basic and Applied Sciences, Vol 13, Iss 1, Pp 1-13 (2024)
Abstract Background The rapid expansion of modern smart applications, demanding faster data transfer and extensive bandwidth, has prompted the development of new-generation networks like 5G and 6G. These networks encompass additional frequency bands
Externí odkaz:
https://doaj.org/article/650b8379dc0247ebb3f4afd8da32b199
Publikováno v:
Journal of Telecommunications and Information Technology, Vol 3, Iss 3 (2024)
This paper presents a compact, high-isolation MIMO antenna with physical dimensions of 68 × 68 × 0.8 mm, designed for use in 5G applications. The antenna's bandwidth ranges from 3.25 GHz to 4.34 GHz and it offers a gain of 4.3 dBi, making it suitab
Externí odkaz:
https://doaj.org/article/382a3ea34e8a4d6ab577e6893c62231a
Autor:
Tale Saeidi, Sahar Saleh, Sarmad Nozad Mahmood, Nick Timmons, Ahmed Jamal Abdullah Al-Gburi, Saeid Karamzadeh, Faroq Razzaz
Publikováno v:
Heliyon, Vol 10, Iss 12, Pp e33024- (2024)
A miniaturized, multi-band, four-port wearable Multiple Input Multiple Output (MIMO) antenna is proposed, which contains a leaky wave textile antenna (LWTA) on denim (εr = 1.6, tanδ = 0.006) as substrate and Shieldit Super Fabric as conductor texti
Externí odkaz:
https://doaj.org/article/d50db9e512094fa2aacdca06f6d70fdd
Autor:
Upesh Patel, Trushit Upadhyaya, Vishal Sorathiya, Killol Pandya, Abdullah Alwabli, Kavan Dave, Naglaa F. Soliman, Walid El-Shafai
Publikováno v:
Results in Engineering, Vol 22, Iss , Pp 102110- (2024)
This work suggests a fractal antenna in the shape of a crossed flower with a split ring resonator geometry. This suggested antenna serves the Sub-6 GHz 5G and satellite repeater applications for wireless devices operating in the frequency range of 4.
Externí odkaz:
https://doaj.org/article/14fb53a60413436da8e6ca200d02bde9
Publikováno v:
IEEE Access, Vol 12, Pp 174066-174077 (2024)
Reconfigurable Intelligent Surface (RIS) is a promising way to increase the coverage and capacity of existing and future wireless systems. For that, the RIS reflection coefficients need to be properly adjusted. However, cellular systems demand RIS ad
Externí odkaz:
https://doaj.org/article/63af4ba58f974d63a7a03d36dc89428e
Publikováno v:
IEEE Access, Vol 12, Pp 135338-135351 (2024)
This paper presents a dual-polarized, multi-wideband ceiling antenna with an eight-diagram shape for indoor communication in the 2G/3G/LTE/5G sub-6 GHz frequency range. The horizontally polarized (HP) antenna element consists of an upper frequency ei
Externí odkaz:
https://doaj.org/article/8cc8face2590418e8691e5f75d4c6a7a
Autor:
Hassan Zakeri, Rasul Azizpour, Parsa Khoddami, Gholamreza Moradi, Mohammad Alibakhshikenari, Chan Hwang See, Tayeb A. Denidni, Francisco Falcone, Slawomir Koziel, Ernesto Limiti
Publikováno v:
IEEE Access, Vol 12, Pp 117787-117799 (2024)
Phased array antenna (PAA) technology is essential for applications requiring high gain and wide bandwidth, such as sensors, medical, and 5G. Achieving such a design, however, is a challenging and intricate process that calls for precise calculations
Externí odkaz:
https://doaj.org/article/adaf0141528c45f1b0ed15d232706b65
Publikováno v:
IEEE Access, Vol 12, Pp 20822-20829 (2024)
New multiband antenna array structure with high gain is proposed for 5G communication handheld systems (700MHz/3.5 GHz and 28/38 GHz). The designed structure is proposed using a combination of sub-6GHz and mm-Wave antenna arrays. The antenna is based
Externí odkaz:
https://doaj.org/article/b69c15871e8441cfbeb1a339abec36a4