Zobrazeno 1 - 10
of 58
pro vyhledávání: '"Nam Seog Kim"'
Publikováno v:
IEEE Access, Vol 12, Pp 5081-5091 (2024)
Resistive random access memory (RRAM), a new non-volatile memory, enables hardware accelerators based on in-memory computing with improved throughput and energy efficiency, enabling machine learning on-the-fly inference at the edge. However, sneak-pa
Externí odkaz:
https://doaj.org/article/b491aca880394b65be0b7a9e60c48a1e
Autor:
Nam-Seog Kim
Publikováno v:
Sensors, Vol 24, Iss 16, p 5255 (2024)
To establish ubiquitous and energy-efficient wireless sensor networks (WSNs), short-range Internet of Things (IoT) devices require Bluetooth low energy (BLE) technology, which functions at 2.4 GHz. This study presents a novel approach as follows: a f
Externí odkaz:
https://doaj.org/article/043253ba195c452b9853912a764b0848
Autor:
Nam-Seog Kim
Publikováno v:
Sensors, Vol 24, Iss 5, p 1616 (2024)
Short-range Internet of Things (IoT) sensor nodes operating at 2.4 GHz must provide ubiquitous wireless sensor networks (WSNs) with energy-efficient, wide-range output power (POUT). They must also be fully integrated on a single chip for wireless bod
Externí odkaz:
https://doaj.org/article/5b931ea23b03442da97181fe015a01e4
Autor:
Nam-Seog Kim
Publikováno v:
IEEE Access, Vol 10, Pp 125696-125706 (2022)
This paper presents a 10-bit, 600 MS/s direct-sampling sub-Nyquist rate DAC-based frequency-agile wideband transmitter for IEEE 802.22 cognitive radio applications in the VHF/UHF TV band (54 – 862 MHz). Multi-mode reconstruction using Gilbert cells
Externí odkaz:
https://doaj.org/article/68d058e8c2c041bfab83ac4326633d78
Publikováno v:
Journal of The Korean Institute of Defense Technology. 4:028-033
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1d37ceb2711c5622ed8edf4caaff631a
https://doi.org/10.52682/jkidt.2022.4.4.28
https://doi.org/10.52682/jkidt.2022.4.4.28
Autor:
Nam-Seog Kim, Jaewon Choi
Publikováno v:
IEEE Transactions on Very Large Scale Integration (VLSI) Systems. 29:2098-2109
A reconfigurable LO-generator (LOG) using an integer divider and a mixed-mode fractional divide-by-2.5 (Div2.5) is presented to generate a spurious and oscillator pulling free output spectrum without additional digital calibration for cellular narrow
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::068542199d8ef2ac8f3a3e3ea0e0c316
https://doi.org/10.1109/tvlsi.2021.3105819
https://doi.org/10.1109/tvlsi.2021.3105819
Autor:
Nam-Seog Kim
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 68:2020-2029
The proposed fully integrated digital-intensive system on chip (SoC) allows dual-mode protocols of Bluetooth low energy (BLE) 5.0 and IEEE802.15.4 with extended-range wireless connectivity and ad hoc mesh networks for Internet-of-Things (IoT) systems
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a070f5b969bec212ce3e56b887ef84aa
https://doi.org/10.1109/tmtt.2020.2986454
https://doi.org/10.1109/tmtt.2020.2986454
Autor:
J.H. Son, Joon-Ki Hong, S.H. Hyun, M.S. Park, Young-Jin Park, J. W. Jang, Nam-Seog Kim, Yu-hwan Kim, Gyujei Lee, Ho-Young Son
Publikováno v:
2020 IEEE 70th Electronic Components and Technology Conference (ECTC).
In our study, the microstructure and reliability of micro-solder bumps of through-silicon-via (TSV) packages were assessed in high temperature storage (HTS) condition with several bump structures. The packages were assembled by molded underfill (MUF)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f66235f4e8c05266a9dfc6175908c62
https://doi.org/10.1109/ectc32862.2020.00117
https://doi.org/10.1109/ectc32862.2020.00117
Autor:
Nam-Seog Kim, Jan M. Rabaey
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 66:4134-4146
An ultra-wideband (UWB)-based cognitive radio (CR) is a promising technique to utilize 3.1–10.6-GHz band efficiently for high data-rate short-range wireless connectivity even in overcrowdedness of the frequency spectrum. Frequency synthesizers tail
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::95ea8e05dd1ceef2e3e9c3643b44d874
https://doi.org/10.1109/tmtt.2018.2852283
https://doi.org/10.1109/tmtt.2018.2852283
Autor:
Jan M. Rabaey, Nam-Seog Kim
Publikováno v:
IEEE Transactions on Circuits and Systems I: Regular Papers. 65:2279-2292
An ultra-wideband (UWB)-based cognitive radio (CR) is a promising technique to utilize 3.1–10.6 GHz band efficiently for high data-rate short-range wireless connectivity even in the overcrowded spectrum. This paper investigates a low power wavelet-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b98715e301122179266b7341254e2c8c
https://doi.org/10.1109/tcsi.2017.2781542
https://doi.org/10.1109/tcsi.2017.2781542