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Rate-Splitting Multiple Access (RSMA) has recently found favour in the multi-antenna-aided wireless downlink, as a benefit of relaxing the accuracy of Channel State Information at the Transmitter (CSIT), while in achieving high spectral…

网络与互联网体系结构 · 计算机科学 2022-12-14 Shengyu Zhang , Shiyao Zhang , Weijie Yuan , Yonghui Li , Lajos Hanzo

This paper explores downlink Cooperative Rate-Splitting Multiple Access (C-RSMA) in a multi-cell wireless network with the assistance of Joint-Transmission Coordinated Multipoint (JT-CoMP). In this network, each cell consists of a base…

信号处理 · 电气工程与系统科学 2024-09-04 Mohamed Elhattab , Shreya Khisa , Chadi Assi , Ali Ghrayeb , Marwa Qaraqe , Georges Kaddoum

This paper studies the precoder design problem of achieving max-min fairness (MMF) amongst users in multigateway multibeam satellite communication systems with feeder link interference. We propose a beamforming strategy based on a newly…

信息论 · 计算机科学 2021-02-12 Zhi Wen Si , Longfei Yin , Bruno Clerckx

In this paper, we study the time allocation optimization problem to maximize the sum throughput in a dual-hop heterogeneous visible light communication (VLC)/radio frequency (RF) communication system. Two scenarios are investigated in this…

This paper unifies integrated sensing and communication (ISAC) and simultaneous wireless information and power transfer (SWIPT), by investigating a new multi-functional multiple-input multiple-output (MIMO) system integrating wireless…

信息论 · 计算机科学 2023-08-17 Yilong Chen , Haocheng Hua , Jie Xu , Derrick Wing Kwan Ng

This paper studies the fair transmission design for an intelligent reflecting surface (IRS) aided rate-splitting multiple access (RSMA). IRS is used to establish a good signal propagation environment and enhance the RSMA transmission…

信息论 · 计算机科学 2024-03-18 Shanshan Zhang , Wen Chen , Qingqing Wu , Ziwei Liu , Shunqing Zhang , Jun Li

This paper proposes, for the first time, a hybrid multiple access framework that integrates the principles of rate-splitting (RS) and sparse code multiple access (SCMA) in an SISO downlink scenario. The proposed scheme, termed RS-SCMA,…

信号处理 · 电气工程与系统科学 2026-01-29 Minerva Priyadarsini , Zilong Liu , Kuntal Deka , Sujit Kumar Sahoo , Sanjeev Sharma

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 secondary user to offload tasks to the MEC server utilizing…

信息论 · 计算机科学 2022-04-14 Hongwu Liu , Yinghui Ye , Zhiquan Bai , Kyeong Jin Kim , Theodoros A. Tsiftsis

Rate splitting multiple access (RSMA) is a promising non-orthogonal transmission strategy for next-generation wireless networks. It has been shown to outperform existing multiple access schemes in terms of spectral and energy efficiency…

信息论 · 计算机科学 2022-11-04 Bho Matthiesen , Yijie Mao , Armin Dekorsy , Petar Popovski , Bruno Clerckx

The separate receiver architecture with a time- or power-splitting mode, widely used for simultaneous wireless information and power transfer (SWIPT), has a major drawback: Energy-intensive local oscillators and mixers need to be installed…

信息论 · 计算机科学 2023-07-21 Do-Yup Kim , Chae-Bong Sohn , Hyun-Suk Lee

Driven by the exponential growth in data traffic and the limitations of Radio Frequency (RF) networks, Optical Wireless Communication (OWC) has emerged as a promising solution for high data rate communication. However, the inherently…

信号处理 · 电气工程与系统科学 2025-05-06 Walter Zibusiso Ncube , Ahmad Adnan Qidan , Taisir El-Gorashi , Jaafar M. H. Elmirghani

Wireless powered sensor networks (WPSNs) have emerged as a key development towards the future self-sustainable Internet of Things (IoT) networks. To achieve a good balance between self-sustainability and reliability, partially WPSNs with a…

信息论 · 计算机科学 2019-05-22 Shiqi Gong , Shaodan Ma , Chengwen Xing , Guanghua Yang

The continually growing demands for traffic as a result of advanced technologies in 5G and 6G systems offering services with intensive demands such as IoT and virtual reality applications has resulted in significant performance expectations…

网络与互联网体系结构 · 计算机科学 2021-12-01 Abrar S. Alhazmi , Sanaa H. Mohamed and , T. E. H. El-Gorashi , Jaafar M. H. Elmirghani

In this paper, we investigate the resource allocation algorithm design for full-duplex simultaneous wireless information and power transfer (FD-SWIPT) systems. The considered system comprises a FD radio base station, multiple single-antenna…

信息论 · 计算机科学 2016-11-17 Shiyang Leng , Derrick Wing Kwan Ng , Nikola Zlatanov , Robert Schober

This paper investigates the optimal transmit beamforming design of simultaneous wireless information and power transfer (SWIPT) in the multiuser multiple-input-single-output (MISO) downlink with specific absorption rate (SAR) constraints.…

信息论 · 计算机科学 2019-11-26 Juping Zhang , Gan Zheng , Ioannis Krikidis , Rui Zhang

This paper considers the problem of maximizing the sum-rate for simultaneous wireless information and power transfer (SWIPT) in a full-duplex bi-directional communication system subject to energy harvesting and transmit power constraints at…

信息论 · 计算机科学 2016-11-18 Alexander A. Okandeji , Muhammad R. A. Khandaker , Kai-Kit Wong

Dual-Functional Radar-Communication (DFRC) system is an essential and promising technique for beyond 5G. In this work, we propose a powerful and unified multi-antenna DFRC transmission framework, where an additional radar sequence is…

信号处理 · 电气工程与系统科学 2021-12-15 Chengcheng Xu , Bruno Clerckx , Shiwa Chen , Yijie Mao , Jianyun Zhang

Hybrid Radio Frequency/ Visible Light Communication (RF/VLC) systems have been recognized as effective means to enhance data rate. So far the study of data rate has been limited to downlink communications. In this letter, we study the…

信息论 · 计算机科学 2018-12-11 Shivanshu Shrivastava

Sparse Code Multiple Access (SCMA), a non-orthogonal multiple access scheme, has been introduced as a key 5G technology to improve spectral efficiency. In this work, we propose SCMA to enable open-loop coordinated multipoint (CoMP) joint…

信息论 · 计算机科学 2015-04-09 Usa Vilaipornsawai , Hosein Nikopour , Alireza Bayesteh , Jianglie Ma

LEO satellite communication has drawn particular attention recently due to its high data rate services and low round-trip latency. It is low-cost to launch and can provide global coverage. However, the spectrum scarcity might be one of the…

信号处理 · 电气工程与系统科学 2022-08-08 Wali Ullah Khan , Zain Ali , Eva Lagunas , Symeon Chatzinotas , Björn Ottersten