Advanced Search Results For "Choi, Kwonhue"

Publication Type: Academic Journal

Source(s): IEEE Access, Vol 11, Pp 34217-34226 (2023)

Abstract: The path loss model for indoor emergency stairs has yet to get enough attention in the literature. Large-scale (LS) path loss models for a stairwell in a 10-stair academic building are the focus of this investigation. We measured the received power wit...

Publication Type: Academic Journal

Source(s): IEEE Access, Vol 11, Pp 2199-2225 (2023)

Abstract: The prediction of radio signal transmission in tunnels is important for wireless communication link design as it enables the delivery of optimum power to the intended receiver inside the tunnel. Several techniques have been proposed to estimate path lo...

Publication Type: Academic Journal

Source(s): IEEE Photonics Journal, Vol 15, Iss 2, Pp 1-7 (2023)

Abstract: Visible light communication (VLC) has emerged as an eco-friendly and low-cost technology for the next-generation communication systems. However, for VLC systems, existing works report performance degradation due to light-emitting-diode (LED) non-linear...

Publication Type: Academic Journal

Source(s): PLoS ONE, Vol 18, Iss 3, p e0282781 (2023)

Abstract: Research on path loss in indoor stairwells for 5G networks is currently insufficient. However, the study of path loss in indoor staircases is essential for managing network traffic quality under typical and emergency conditions and for localization pur...

Publication Type: Academic Journal

Source(s): Sensors (14248220). Feb2023, Vol. 23 Issue 3, p1228. 20p.

Abstract: The deployment of optical network infrastructure and development of new network services are growing rapidly for beyond 5/6G networks. However, optical networks are vulnerable to several types of security threats, such as single-point failure, wormhole...

Publication Type: Academic Journal

Source(s): IEEE Access, Vol 10, Pp 128754-128763 (2022)

Abstract: Among the prevalent cyberattacks on Android devices, a ransomware attack is the most common and damaging. Although there are many solutions for detecting Android ransomware attacks, existing solutions have limited detection accuracy and high computatio...

Publication Type: Academic Journal

Source(s): IEEE Access, Vol 10, Pp 38534-38544 (2022)

Abstract: We propose a very fast-convergence joint iterative detection and decoding (JIDD) scheme for channel-coded sparse code multiple access (SCMA). In the conventional JIDD, all users’ channel decoding iterations are performed in parallel after all users’ va...

Publication Type: Academic Journal

Source(s): Sensors, Vol 23, Iss 1228, p 1228 (2023)

Abstract: The deployment of optical network infrastructure and development of new network services are growing rapidly for beyond 5/6G networks. However, optical networks are vulnerable to several types of security threats, such as single-point failure, wormhole...

Publication Type: Academic Journal

Source(s): Sensors, Vol 22, Iss 6593, p 6593 (2022)

Abstract: The millimeter-wave (mmWave) frequency is considered a viable radio wave band for fifth-generation (5G) mobile networks, owing to its ability to access a vast spectrum of resources. However, mmWave suffers from undesirable characteristics such as incre...

Publication Type: Academic Journal

Source(s): IEEE Access, Vol 9, Pp 81855-81870 (2021)

Abstract: The exploitation of aerial base stations (A-BSs) in conjunction with terrestrial base stations (T-BSs) is envisioned as a promising solution to provide connectivity to devices and user-equipment (UE) in crowded situations (viz. in the sports event) and...