Zobrazeno 1 - 10
of 62
pro vyhledávání: '"Young-Jo Ko"'
Publikováno v:
ICT Express, Vol 10, Iss 1, Pp 53-57 (2024)
Here we propose a new signal set design for physical cell identification (PCI) in sub-THz OFDM systems. We also derive useful properties of proposed signal set, which can be employed to assign PCI and reduce interference. The proposed signal set is e
Externí odkaz:
https://doaj.org/article/39a27a36599745e486f9d3e0b3bed17c
Autor:
Kapseok Chang, Keunyoung Kim, Sanguk Lee, Jae-Hean Kim, Junghoon Lee, Hyungju Kim, Young-Jo Ko, Ilgyu Kim, Seung Chan Bang
Publikováno v:
ICT Express, Vol 9, Iss 3, Pp 492-506 (2023)
This paper presents insights about schemes required to provide ultra-precise positioning services for multifarious environments. It describes positioning services and their requirements, and divides the services into “living convenience” and “p
Externí odkaz:
https://doaj.org/article/79a503ba24134274ad1028aa8e0d0e92
Publikováno v:
ETRI Journal, Vol 45, Iss 1, Pp 7-17 (2023)
The error-rate floor of low-density parity-check (LDPC) codes is attributed to the trapping sets of their Tanner graphs. Among them, fully absorbing sets dominantly affect the error-rate performance, especially for short blocklengths. Efficient metho
Externí odkaz:
https://doaj.org/article/848b864ec4a34d1bb5be82826218f7c2
Publikováno v:
ICT Express, Vol 9, Iss 1, Pp 82-91 (2023)
Since its first commercialization in early 2019, 5G has been making progress around the world and penetrating daily lives. Now, research interest in wireless communication is quickly shifting to the next generation mobile system, 6G. This paper envis
Externí odkaz:
https://doaj.org/article/e2d81f50de1441349a086061a2f2f856
Publikováno v:
IEEE Access, Vol 11, Pp 51032-51046 (2023)
Cell-free (CF) massive multiple-input multiple-output (MIMO) systems are expected to provide high spectral efficiency to all users, regardless of their locations, when equipped with a large number of evenly distributed access points (APs) in the area
Externí odkaz:
https://doaj.org/article/e1b0ec13dc72407daa90934a0ca6106d
Publikováno v:
ETRI Journal, Vol 44, Iss 6, Pp 925-935 (2022)
In this study, we propose a limited feedback-based frequency divided group beamforming with sparse space-frequency transmit diversity coded orthogonal frequency division multiplexing (OFDM) system for ultrareliable low latency communication (URLLC) s
Externí odkaz:
https://doaj.org/article/3933a5e9e3044632a254da70fd8d418f
Publikováno v:
IEEE Internet of Things Journal. 10:6082-6099
Publikováno v:
IEEE Journal of the Electron Devices Society. 11:161-166
Publikováno v:
ETRI Journal. 44:925-935
Publikováno v:
ETRI Journal. 45:7-17