Zobrazeno 1 - 10
of 5 400
pro vyhledávání: '"channel model"'
Publikováno v:
Tongxin xuebao, Vol 45, Pp 70-83 (2024)
To address the problem of inefficient satellite-ground link handover, unbalanced data allocation, and high probability of data transmission interruptions in space-air-ground integrated networks, a channel model-based multiple layers satellite-ground
Externí odkaz:
https://doaj.org/article/1ac3ec11b27c4bc0976ed505f1c2dc04
Autor:
Chaudhuri Manoj Kumar Swain
Publikováno v:
e-Prime: Advances in Electrical Engineering, Electronics and Energy, Vol 9, Iss , Pp 100726- (2024)
In this research work, investigation of percentage of coverage area is performed for coded OFDM (COFDM) based high-speed railways (HSR) communication networks. Different HSR scenarios such as viaduct, rural, suburban, urban and cutting etc. are co
Externí odkaz:
https://doaj.org/article/b35eb5a8b30242638a7b65a0364d7580
Publikováno v:
水下无人系统学报, Vol 32, Iss 1, Pp 124-129 (2024)
With the development of underwater acoustic technology, underwater acoustic networks(UANs) have attracted much attention due to their performance in marine surveillance, disaster warning, and ocean security. The underwater acoustic channel is a cruci
Externí odkaz:
https://doaj.org/article/d0a6ded76f8b458b8e6bc3ef928f87c9
Publikováno v:
Telecom, Vol 5, Iss 1, Pp 176-197 (2024)
Tropospheric systems are widely used by military forces as they provide long-distance, real-time communication. Slow-fading propagation loss reduces link availability and limits its data-carrying capacity. Beam pointing dynamics provides knowledge of
Externí odkaz:
https://doaj.org/article/f9ea7d3096cb4365b2e3f06720d663c0
Publikováno v:
IEEE Access, Vol 12, Pp 163396-163409 (2024)
Drone-assisted network coding cooperative communication (DA-NC-CC) has emerged as a promising candidate for improving the reliability and throughput of next-generation wireless communication system. However, the conventional amplify-and-forward (AF)
Externí odkaz:
https://doaj.org/article/546f1be2584c459c95a48939b259d5b4
Publikováno v:
IEEE Access, Vol 12, Pp 159913-159918 (2024)
The map-based hybrid channel model is one of the candidates for managing stochastic components above millimeter waves. This model has been used in technical reports published by several well-known standardization organizations. This paper compares si
Externí odkaz:
https://doaj.org/article/7526a808b3474588801b8ce3590826bc
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 6495-6534 (2024)
As an important branch of free-space optical (FSO) communication technology, ultraviolet (UV) communication is mainly applied to mobile communication platforms represented by unmanned aerial vehicle (UAV). With the development of LEDs and UV detector
Externí odkaz:
https://doaj.org/article/87aab7fab8104046bb2e0eb14f8fbc7b
Publikováno v:
IEEE Access, Vol 12, Pp 143975-143984 (2024)
This study delves into the intricacies of 5G New Radio (NR) signal propagation, and contrary to most existing literature, focuses on the 3.565 GHz commercial frequency band through extensive ground and airborne measurements. By assessing fundamental
Externí odkaz:
https://doaj.org/article/3d946b54aa634e0580f44692195b209b
Autor:
Muhammad Brata, Irma Zakia
Publikováno v:
IEEE Access, Vol 12, Pp 138142-138154 (2024)
Accurate estimation of path loss poses a challenge given its strong reliance on complex propagation environments that may change frequently for example due to new building constructions. Furthermore, the propagation channel at millimeter wave (mmWave
Externí odkaz:
https://doaj.org/article/3f211bf693214d0a8df95a152409f309
Publikováno v:
IEEE Access, Vol 12, Pp 134020-134026 (2024)
Accumulating a substantial amount of textual data on power equipment defects during maintenance and inspection stages presents a valuable problem of assessing and grading these text-based information. This paper proposes a dual-channel text feature e
Externí odkaz:
https://doaj.org/article/913a4073d07a42cab04988cd05462a3c