Zobrazeno 1 - 10
of 752
pro vyhledávání: '"Saewoong Bahk"'
Publikováno v:
IEEE Access, Vol 11, Pp 65858-65871 (2023)
There has been considerable amount of research to improve performance for a dense wireless local area network (WLAN) environment. While some studies focus on aggressive channel access, others highlight frequent channel state information (CSI) corrupt
Externí odkaz:
https://doaj.org/article/685d370a06234a79a30f18616b8ec0d2
Autor:
Jungjun Kim, Saewoong Bahk
Publikováno v:
IEEE Access, Vol 10, Pp 68834-68845 (2022)
Millimeter-wave (mmWave) communication included in new radio (NR) provides high throughput to meet the stringent requirements of modern applications. However, its performance is highly dependent on whether obstacles are blocking line-of-sight (LOS) p
Externí odkaz:
https://doaj.org/article/f493f2feaf584309b0362b910d1f923a
Publikováno v:
IEEE Access, Vol 10, Pp 68819-68833 (2022)
IEEE 802.15.4 Time-Slotted Channel Hopping (TSCH) has drawn significant attention as a low-power network solution for the Internet of Things (IoT). To make the TSCH scalable and robust, slot scheduling is an important issue that needs to be addressed
Externí odkaz:
https://doaj.org/article/a2ddca8c409649d28ba5680b97329acd
Publikováno v:
IEEE Access, Vol 9, Pp 12309-12321 (2021)
To support the emerging vehicle-to-everything (V2X) communication for autonomous vehicles and smart transportation services, 3rd Generation Partnership Project (3GPP) has recently introduced cellular V2X (C-V2X) standards. In C-V2X, radio resources c
Externí odkaz:
https://doaj.org/article/6c0e7d92c89440988dc0343af8268271
Publikováno v:
IEEE Access, Vol 9, Pp 65906-65913 (2021)
Location-based authentication for Internet of Things (IoT) devices can be used to permit activation and participation only to those devices that are in their predefined areas. It secures the devices from being used elsewhere (e.g. misplacement or the
Externí odkaz:
https://doaj.org/article/56da73a7ec3f4a049eec5d3a6fec0914
Autor:
Seung Geun Hong, Saewoong Bahk
Publikováno v:
IEEE Access, Vol 8, Pp 50439-50451 (2020)
In this paper, we investigate a downlink non-orthogonal multiple access (NOMA) system consisting of a base station (BS) and two users, where each user decodes its own signal through successive interference cancellation (SIC). When the signal of one u
Externí odkaz:
https://doaj.org/article/485901fbce1e4c5daf57cae7e0eb9104
Publikováno v:
IEEE Access, Vol 8, Pp 216386-216397 (2020)
3GPP cellular communications in unlicensed spectrum allow transmission only after completing listen-before-talk (LBT) operation. For downlink, the LBT operation helps cellular traffic to coexist well with Wi-Fi traffic. However, cellular uplink trans
Externí odkaz:
https://doaj.org/article/0b2712c0c4254195b73c1bc233c7ce54
Publikováno v:
IEEE Access, Vol 8, Pp 151589-151601 (2020)
Aerial acoustic communication (AAC) has been developed for a variety of Internet-of-things (IoT) applications, thanks to the merit of embedding small amounts of data directly into audio contents and transmitting them through commercial off-the-shelf
Externí odkaz:
https://doaj.org/article/d2a653edf02a47a0b3a61e5b4048c468
Publikováno v:
IEEE Access, Vol 7, Pp 163887-163897 (2019)
One of the most important and recurrent tasks in managing a store is to provide accurate information of products to customers by maintaining up-to-date price tags of every item. Till today, however, updating price tags is done manually in most market
Externí odkaz:
https://doaj.org/article/2b6340c07d6a494fa47fd962add3e4f2
Publikováno v:
IEEE Access, Vol 7, Pp 130468-130483 (2019)
Low-power wireless network for the emerging Internet of Things (IoT) should be reliable enough to satisfy the application requirements, and also energy-efficient for embedded devices to remain battery powered. Synchronized communication methods such
Externí odkaz:
https://doaj.org/article/2306bf7c62bd42ea93b58a91abce6738