183 citations · 662 across the 60 of their papers we have counts for
10 papers · 1 filter
Zero Forcing Uplink Detection through Large-Scale RIS: System Performance and Phase Shift Design
Nikolaos I. Miridakis, Theodoros A. Tsiftsis, Rugui Yao
A multiple-input multiple-output wireless communication system is analytically studied, which operates with the aid of a large-scale reconfigurable intelligent surface (LRIS). LRIS…
Outage Performance of Cross-Packet HARQ
Jiahui Feng, Zheng Shi, Guanghua Yang +3
As opposed to hybrid automatic repeat request with incremental redundancy (HARQ-IR) that all the resources are occupied to resend the redundant information, cross-packet HARQ (XP-H…
Zero-Forcing Based Downlink Virtual MIMO-NOMA Communications in IoT Networks
Zheng Shi, Hong Wang, Yaru Fu +4
To support massive connectivity and boost spectral efficiency for internet of things (IoT), a downlink scheme combining virtual multiple-input multiple-output (MIMO) and nonorthogo…
Cognitive Radio-Inspired Rate-Splitting Multiple Access for Semi-Grant-Free Transmissions
Hongwu Liu, Kyeong Jin Kim, Theodoros A. Tsiftsis +3
In this paper, we propose a cognitive radio-inspired rate-splitting multiple access (CR-RSMA) scheme to assist semi-grant-free (SGF) transmissions in which a grant-based user (GBU)…
On the Age of Status Updates in Unreliable Multi-Source M/G/1 Queueing Systems
Muthukrishnan Senthil Kumar, Aresh Dadlani, Masoumeh Moradian +2
The timeliness of status message delivery in communications networks is subjective to time-varying wireless channel transmissions. In this paper, we investigate the age of informat…
Rate Splitting Multiple Access Aided Mobile Edge Computing in Cognitive Radio Networks
Hongwu Liu, Yinghui Ye, Zhiquan Bai +2
In this paper, we investigate rate splitting multiple access (RSMA) aided mobile edge computing (MEC) in a cognitive radio network. We propose a RSMA scheme that enables the second…
A New Rate Splitting Strategy for Uplink CR-NOMA Systems
Hongwu Liu, Zhiquan Bai, Hongjiang Lei +3
In uplink non-orthogonal multiple access (NOMA) channels, the existing cooperative successive interference cancellation (SIC) and power control (PC) schemes lack the capability of…
On Secure NOMA-Aided Semi-Grant-Free Systems
Hongjiang Lei, Fangtao Yang, Hongwu Liu +3
Semi-grant-free (SGF) transmission scheme enables grant-free (GF) users to utilize resource blocks allocated for grant-based (GB) users while maintaining the quality of service of…
New Antenna Selection Schemes for Full-Duplex Cooperative MIMO-NOMA Systems
Zahra Mobini, Mohammadali Mohammadi, Theodoros A. Tsiftsis +2
In this paper, we address the antenna selection (AS) problem in full-duplex (FD) cooperative non-orthogonal multiple access (NOMA) systems, where a multi-antenna FD relay bridges t…
Extreme Age of Information for Wireless-Powered Communication Systems
Nikolaos I. Miridakis, Zheng Shi, Theodoros A. Tsiftsis +1
The extreme or maximum age of information (AoI) is analytically studied for wireless communication systems. In particular, a wireless powered single-antenna source node and a recei…