Zobrazeno 1 - 10
of 101
pro vyhledávání: '"Minchul Ju"'
Autor:
Minchul Ju, Hong-Chuan Yang
Publikováno v:
IEEE Access, Vol 7, Pp 177187-177197 (2019)
We study a multi-input-single-output (MISO) transmission system consisting of a multi-antenna basestation (BS) and a single-antenna user in the presence of multiple single-antenna radio frequency (RF) energy harvesting (EH) sensor nodes, where the us
Externí odkaz:
https://doaj.org/article/d5f86af2cd4c4c06936bf31454939bd2
Publikováno v:
IEEE Access, Vol 7, Pp 162268-162281 (2019)
In this paper, we consider a dual-hop wireless powered communication network (WPCN) consisting of a hybrid access point (H-AP), multiple users, and multiple energy-constrained relays. While relay-assisted WPCNs have been investigated to mitigate the
Externí odkaz:
https://doaj.org/article/707ca3aff9a44138ba8ffd7b3367a4b3
Autor:
MinChul Ju, Hong-Chuan Yang
Publikováno v:
IEEE Wireless Communications Letters. 9:985-989
In this letter, we study a slotted grant-free access scheme for massive machine-type communications (mMTC) in narrowband Internet of Things (IoT) environments. We allow multiple IoT devices to transmit simultaneously at the beginning of each time slo
Autor:
Hong-Chuan Yang, MinChul Ju
Publikováno v:
IEEE Transactions on Communications. 67:6682-6697
We study the optimum design of an energy harvesting relay for two-way decode-and-forward (DF) relay networks. In the networks, the relay harvests energy as well as decodes information using the received signal from two sources with power splitting re
Autor:
Hong-Chuan Yang, MinChul Ju
Publikováno v:
IET Communications. 13:679-686
The authors study the optimal design of simultaneous wireless information and power transfer relaying in bidirectional non-regenerative relay networks. They consider both power splitting relaying and time switching relaying. Since there are two oppos
Autor:
Kyu-Sung Hwang, MinChul Ju
Publikováno v:
Mathematical Problems in Engineering, Vol 2018 (2018)
In this paper, we propose an output threshold-based incremental multiple-relay combining scheme for cooperative amplify-and-forward relay networks with nonidentically distributed relay channels. Specifically, in order to achieve the required performa
Publikováno v:
IEEE Communications Letters. 21:1851-1854
We study a multiple-input multiple-output (MIMO) relay system composed of a source, a relay, and a destination, in which the decode-and-forward relay delivers the decoded symbols from the source to the destination by harvesting energy from the source
Publikováno v:
Optics Communications. 365:43-48
As LED applications with fast dimming appears, it is required that the variable pulse position modulation (VPPM)-based visible light communications (VLC) scheme works in this environment also. With the previous VPPM scheme, however, transmission was
Autor:
MinChul Ju, Kyu-Min Kang
Publikováno v:
IEEE Transactions on Vehicular Technology. 65:966-972
In this paper, we study cognitive radio (CR) networks that consist of multiple secondary TV band device (TVBD) station–user pairs and one primary digital TV (DTV) station–user pair, where each terminal has a single antenna. Specifically, we consi
Autor:
Kyu-Sung Hwang, MinChul Ju
Publikováno v:
IEICE Transactions on Communications. :1170-1179