Zobrazeno 1 - 10
of 442
pro vyhledávání: '"Jeong Geun Kim"'
Publikováno v:
Sensors, Vol 24, Iss 6, p 1983 (2024)
This paper presents a 5G new radio (NR) FR2 beamforming system with an integrated transceiver module. A real-time operating module providing enhanced flexibility and capability has been proposed. The integrated RF beamforming system with an integrate
Externí odkaz:
https://doaj.org/article/53eb97755d904adbbf996633167df39b
Publikováno v:
Sensors, Vol 24, Iss 5, p 1460 (2024)
A fully integrated 24-GHz radar transceiver with one transmitter (TX) and two receivers (RXs) for compact frequency modulated continuous wave (FMCW) radar applications is here presented. The FMCW synthesizer was realized using a fractional-N phase-lo
Externí odkaz:
https://doaj.org/article/f7e1967c1a684d8f80d9d11855e16a7c
Publikováno v:
Micro and Nano Systems Letters, Vol 9, Iss 1, Pp 1-7 (2021)
Abstract LC CMOS voltage-controlled oscillators (VCOs) with tunable inductors are essential for high-performance, multi-band communication systems, such as IoT applications and 5G communication. However, VCOs that use CMOS tunable inductors have diff
Externí odkaz:
https://doaj.org/article/76dbe3bc5e6047cf9704192049a65b48
Autor:
Jeong-Geun Kim, Donghyun Baek
Publikováno v:
Sensors, Vol 23, Iss 15, p 6827 (2023)
This paper presents a wideband 4-bit true time delay IC using a 0.25 μm GaN HEMT (High-Electron-Mobility Transistor) process for the beam-squint-free phased array antennas. The true time delay IC is implemented with a switched path circuit topology
Externí odkaz:
https://doaj.org/article/3f33689c852e4a2db13ae1a0405b0bca
Publikováno v:
Sensors, Vol 23, Iss 13, p 6124 (2023)
A 28 GHz fully differential eight-channel beamforming IC (BFIC) with multimode operations is implemented in 65 nm CMOS technology for use in phased array transceivers. The BFIC has an adjustable gain and phase control on each channel to achieve fine
Externí odkaz:
https://doaj.org/article/4943edad3a9d4b2385b560fafedde3de
Publikováno v:
IEEE Access, Vol 9, Pp 21286-21295 (2021)
Bluetooth low energy (BLE) is a promising candidate technology for use in the Internet of Things (IoT) because of its ultra-low-power communication. Although BLE devices are designed to run on a small battery for a few years, several attempts have be
Externí odkaz:
https://doaj.org/article/c7abbd2480d343aa8d580e3a2a27dcc5
Publikováno v:
IEEE Access, Vol 9, Pp 145098-145108 (2021)
Processing-in-memory (PIM) architectures show the advantage of handling applications that generate complicated memory request patterns; usually, those kinds of memory streams degrade the application’s performance in conventional memory hierarchy sy
Externí odkaz:
https://doaj.org/article/b3941ebcfe8e48e38a61225ec47cc971
Fully Integrated Dual-Mode X-Band Radar Transceiver Using Configurable Receiver and Local Oscillator
Publikováno v:
IEEE Access, Vol 8, Pp 151403-151414 (2020)
In this paper, a fully-integrated dual-mode X-band radar transceiver that supports Doppler radar and frequency modulated continuous wave (FMCW) radar is proposed. To remove large off-chip DC-blocking capacitors in the Doppler mode, the double-convers
Externí odkaz:
https://doaj.org/article/7bef80e11ce94e5ea5d2d8151e693f97
Autor:
Jeong-Geun Kim, Chun-Seob Ahn, Insug Kang, Jong-Wook Shin, Hae-Bong Jeong, Yukifumi Nawa, Yoon Kong
Publikováno v:
PLoS Neglected Tropical Diseases, Vol 16, Iss 3, p e0010240 (2022)
Cerebral paragonimiasis (CP), caused by aberrant migration of Paragonimus worms, frequently invokes serious illness. The causal relationship between the lesion characteristics and patients' symptoms has poorly been understood. CP serodiagnosis has no
Externí odkaz:
https://doaj.org/article/69723a60261e473cafae410d4f0d0a3f
Publikováno v:
Applied Sciences, Vol 13, Iss 7, p 4436 (2023)
This paper presents an innovative prefetching algorithm for a hybrid main memory structure, which consists of DRAM and phase-change memory. To enhance the efficiency of hybrid memory hardware in serving big data technologies, the proposed design empl
Externí odkaz:
https://doaj.org/article/3f27085f0a0948da925f2861d6382c70