activity
20102023
most citedNon-Orthogonal Multiple Access in Multi-Cell Networks: Theory, Performance, and Practical Challenges

24 citations · 105 across the 23 of their papers we have counts for

collaborators

23 papers

cs.IT2023

Coordinated Rate-Splitting Multiple Access for Integrated Satellite-Terrestrial Networks with Super-Common Message

Juhwan Lee, Jungwoo Lee, Longfei Yin +2

Rate-splitting multiple access (RSMA) is an emerging multiple access technique for multi-antenna networks that splits messages into common and private parts for flexible interferen…

cs.IT2023★ 2 cited

Integrated Sensing and Communications for IoT: Synergies with Key 6G Technology Enablers

Aryan Kaushik, Rohit Singh, Ming Li +7

The Internet of Things (IoT) and wireless generations have been evolving simultaneously for the past few decades. Built upon wireless communication and sensing technologies, IoT ne…

eess.SP2023

On the Learning of Digital Self-Interference Cancellation in Full-Duplex Radios

Jungyeon Kim, Hyowon Lee, Heedong Do +5

Full-duplex communication systems have the potential to achieve significantly higher data rates and lower latency compared to their half-duplex counterparts. This advantage stems f…

cs.IT2023★ 5 cited

Towards Integrated Sensing and Communications for 6G: A Standardization Perspective

Aryan Kaushik, Rohit Singh, Shalanika Dayarathna +8

The radio communication division of the International Telecommunication Union (ITU-R) has recently adopted Integrated Sensing and Communication (ISAC) among the key usage scenarios…

cs.IT2023★ 1 cited

Distributed Rate-Splitting Multiple Access for Multilayer Satellite Communications

Yunnuo Xu, Longfei Yin, Yijie Mao +2

Future wireless networks, in particular, 5G and beyond, are anticipated to deploy dense Low Earth Orbit (LEO) satellites to provide global coverage and broadband connectivity. Howe…

cs.IT2023

Rate-Splitting Multiple Access for 6G Networks: Ten Promising Scenarios and Applications

Jeonghun Park, Byungju Lee, Jinseok Choi +10

In the upcoming 6G era, multiple access (MA) will play an essential role in achieving high throughput performances required in a wide range of wireless applications. Since MA and i…

cs.IT2023

Sum-Rate Maximization of RSMA-based Aerial Communications with Energy Harvesting: A Reinforcement Learning Approach

Jaehyup Seong, Mesut Toka, Wonjae Shin

In this letter, we investigate a joint power and beamforming design problem for rate-splitting multiple access (RSMA)-based aerial communications with energy harvesting, where a se…

cs.IT2023★ 1 cited

Indexed Multiple Access with Reconfigurable Intelligent Surfaces: The Reflection Tuning Potential

Rohit Singh, Aryan Kaushik, Wonjae Shin +3

Indexed modulation (IM) is an evolving technique that has become popular due to its ability of parallel data communication over distinct combinations of transmission entities. In t…

cs.IT2023★ 4 cited

Towards 6G Hyper-Connectivity: Vision, Challenges, and Key Enabling Technologies

Howon Lee, Byungju Lee, Heecheol Yang +5

Technology forecasts anticipate a new era in which massive numbers of humans, machines, and things are connected to wireless networks to sense, process, act, and communicate with t…

eess.SP2022

Flexible Hybrid Beamforming for Spectrally Efficient 6G Joint Radar-Communications

Aryan Kaushik, Evangelos Vlachos, Muhammad Z. Shakir +2

Joint radar-communications (JRC) benefits from multi-functionality of radar and communication operations using same hardware and radio frequency (RF) spectrum resources. Thus JRC s…

cs.IT2022★ 1 cited

Rate-Splitting Multiple Access for Quantized Multiuser MIMO Communications

Seokjun Park, Jinseok Choi, Jeonghun Park +2

This paper investigates the sum spectral efficiency maximization problem in downlink multiuser multiple-input multiple-output (MIMO) systems with low-resolution quantizers at an ac…

eess.SP2021★ 1 cited

Rate-Splitting Multiple Access for Downlink MIMO: A Generalized Power Iteration Approach

Jeonghun Park, Jinseok Choi, Namyoon Lee +2

Rate-splitting multiple access (RSMA) is a general multiple access scheme for downlink multi-antenna systems embracing both classical spatial division multiple access and more rece…

cs.IT2021★ 12 cited

Rate-Splitting Multiple Access for Multi-Antenna Broadcast Channel with Imperfect CSIT and CSIR

Jihye An, Onur Dizdar, Bruno Clerckx +1

Rate-splitting multiple access (RSMA) has appeared as a powerful transmission and multiple access strategy for multi-user multi-antenna communications. Uniquely, this paper studies…

cs.IT2019

Power Allocation in Cache-Aided NOMA Systems: Optimization and Deep Reinforcement Learning Approaches

Khai Nguyen Doan, Mojtaba Vaezi, Wonjae Shin +3

This work exploits the advantages of two prominent techniques in future communication networks, namely caching and non-orthogonal multiple access (NOMA). Particularly, a system wit…

cond-mat.supr-con2018★ 9 cited

Anomalous Dome-like Superconductivity in RE2(Cu1-xNix)5As3O2(RE=La, Pr, Nd)

Xu Chen, Jiangang Guo, Chunsheng Gong +8

Significant manifestation of interplay of superconductivity and charge density wave, spin density wave or magnetism is dome-like variation in superconducting critical temperature (…

cs.IT2018

Securing Downlink Non-Orthogonal Multiple Access Systems by Trusted Relays

Ahmed Arafa, Wonjae Shin, Mojtaba Vaezi +1

A downlink single-input single-output non-orthogonal multiple access system is considered in which a base station (BS) is communicating with two legitimate users in the presence of…

cs.IT2017

Optimal Beamforming for Gaussian MIMO Wiretap Channels with Two Transmit Antennas

Mojtaba Vaezi, Wonjae Shin, H. Vincent Poor

A Gaussian multiple-input multiple-output wiretap channel in which the eavesdropper and legitimate receiver are equipped with arbitrary numbers of antennas and the transmitter has…

cs.IT2016★ 24 cited

Non-Orthogonal Multiple Access in Multi-Cell Networks: Theory, Performance, and Practical Challenges

Wonjae Shin, Mojtaba Vaezi, Byungju Lee +3

Non-orthogonal multiple access (NOMA) is a potential enabler for the development of 5G and beyond wireless networks. By allowing multiple users to share the same time and frequency…

cs.IT2016★ 1 cited

Linear Degrees of Freedom for -user MISO Interference Channels with Blind Interference Alignment

Heecheol Yang, Wonjae Shin, Jungwoo Lee

In this paper, we characterize the degrees of freedom (DoF) for -user multiple-input single-output interference channels with reconfigurable antennas which have m…

cs.IT2015★ 3 cited

Retrospective Interference Alignment for Two-Cell Uplink MIMO Cellular Networks with Delayed CSIT

Wonjae Shin, Yonghee Han, Jungwoo Lee +2

In this paper, we propose a new retrospective interference alignment for two-cell multiple-input multiple-output (MIMO) interfering multiple access channels (IMAC) with the delayed…

cs.IT2015★ 5 cited

Grouping Based Blind Interference Alignment for -user MISO Interference Channels

Heecheol Yang, Wonjae Shin, Jungwoo Lee

We propose a blind interference alignment (BIA) through staggered antenna switching scheme with no ideal channel assumption. Contrary to the ideal assumption that channels remain c…

cs.IT2010★ 16 cited

Interference Alignment Through User Cooperation for Two-cell MIMO Interfering Broadcast Channels

Wonjae Shin, Namyoon Lee, Jong-Bu Lim +2

This paper focuses on two-cell multiple-input multiple-output (MIMO) Gaussian interfering broadcast channels (MIMO-IFBC) with cooperating users on the cell-boundary of each BS.…

cs.IT2010★ 20 cited

Interference Alignment with Limited Feedback on Two-cell Interfering Two-User MIMO-MAC

Namyoon Lee, Wonjae Shin, Bruno Clerckx

In this paper, we consider a two-cell interfering two-user multiple-input multiple-output multiple access channel (MIMO-MAC) with limited feedback. We first investigate the multipl…