Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Jeung-Won Choi"'
Publikováno v:
Journal of Electromagnetic Engineering and Science, Vol 23, Iss 6, Pp 482-489 (2023)
In this study, a dual-band low-noise amplifier (LNA) was implemented by applying a transformer-based neutralization technology to the W-band. Incorporating the neutralization technique was difficult owing to performance degradation in the W-band. How
Externí odkaz:
https://doaj.org/article/1624347c00b04bef9d53698bbc5bee73
Publikováno v:
Applied Sciences, Vol 11, Iss 15, p 7056 (2021)
This paper describes some of the challenges that need to be addressed in order to develop collaborative spectrum-sharing systems. The importance of these challenges stems from the assumption that rules for spectrum sharing can change after the deploy
Externí odkaz:
https://doaj.org/article/322e84396b174c268328a2def85d4bc6
Autor:
Bongmo Kang, Sungjun Park, Wansik Kim, Juyoung Lee, Kichul Kim, Jeung Won Choi, Juman Park, Jinho Jeong
Publikováno v:
The Journal of Korean Institute of Electromagnetic Engineering and Science. 33:181-189
Cooperative Sensing Parameter Optimization Based on the Infimum of Cooperative Detection Probability
Publikováno v:
The Journal of Korean Institute of Communications and Information Sciences. 46:598-607
Autor:
Hyun Park, Kyung Woo Kim, Jeung won Choi, Lee Jongman, Hyunmin Noh, Yunmin Go, Ki Hun Kim, Hwangjun Song
Publikováno v:
Journal of KIISE. 47:1092-1100
Autor:
Hyunmin Noh, Seunghwan Lee, Jeung Won Choi, Donghyun Kim, Kyungwoo Kim, Yunsoo Ko, Sangheon Shin, Hyungjun Kim, Hwangjun Song
Publikováno v:
Journal of KIISE. 47:885-892
Publikováno v:
Journal of the Korea Institute of Military Science and Technology. 23:371-380
Applying Case-Based Reasoning to Tactical Cognitive Sensor Networks for Dynamic Frequency Allocation
Publikováno v:
Sensors, Vol 18, Iss 12, p 4294 (2018)
In this paper, a cognitive radio engine platform is proposed for exploiting available frequency channels for a tactical wireless sensor network while aiming to protect incumbent communication devices, known as the primary user (PU), from undesired ha
Externí odkaz:
https://doaj.org/article/bbb1f65022844110bf179d48e85adf75
Autor:
Park Gi Seok, Donghyun Kim, Ha Jaejun, Sang-Heon Shin, Hyunmin Noh, Hyungjun Kim, Jeung won Choi, Song Hwangjun
Publikováno v:
Journal of KIISE. 46:577-586
Autor:
Chul-Hee Han, Jeung-Won Choi, Junhyeong Kim, Jae-Kark Choi, Do-Hyung Kim, Young-Bae Ko, Hong-Beom Choi
Publikováno v:
The Journal of Korean Institute of Communications and Information Sciences. 44:879-887