233 citations · 241 across the 7 of their papers we have counts for
7 papers
Overview of RIS-Enabled Secure Transmission in 6G Wireless Networks
JungSook Bae, Waqas Khalid, Anseok Lee +3
As sixth-generation (6G) wireless communication networks evolve, privacy concerns are expected due to the transmission of vast amounts of security-sensitive private information. In…
Simultaneous Transmitting and Reflecting-Reconfigurable Intelligent Surface in 6G: Design Guidelines and Future Perspectives
Waqas Khalid, Zeeshan Kaleem, Rehmat Ullah +3
Reconfigurable intelligent surfaces (RISs) have been considered as a promising technology for the sixth-generation (6G) wireless networks that can control wireless channels in a de…
Coverage Analysis of LEO Satellite Downlink Networks: Orbit Geometry Dependent Approach
Junse Lee, Song Noh, Sooyeob Jeong +1
The low-earth-orbit (LEO) satellite network with mega-constellations can provide global coverage while supporting the high-data rates. The coverage performance of such a network is…
Training Signal Design for Sparse Channel Estimation in Intelligent Reflecting Surface-Assisted Millimeter-Wave Communication
Song Noh, Heejung Yu, Youngchul Sung
In this paper, the problem of training signal design for intelligent reflecting surface (IRS)-assisted millimeter-wave (mmWave) communication under a sparse channel model is consid…
Limited Feedback Designs for Machine-type Communications Exploiting User Cooperation
Jiho Song, Byungju Lee, Song Noh +1
Multiuser multiple-input multiple-output (MIMO) systems are a prime candidate for use in massive connection density in machine-type communication (MTC) networks. One of the key cha…
Training Sequence Design for Feedback Assisted Hybrid Beamforming in Massive MIMO Systems
Song Noh, Michael D. Zoltowski, David J. Love
The use of large-scale antenna systems in future commercial wireless communications is an emerging technology that uses an excess of transmit antennas to realize high spectral effi…
Pilot Beam Pattern Design for Channel Estimation in Massive MIMO Systems
Song Noh, Michael D. Zoltowski, Youngchul Sung +1
In this paper, the problem of pilot beam pattern design for channel estimation in massive multiple-input multiple-output systems with a large number of transmit antennas at the bas…