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Related papers: Rate-Splitting Meets Cell-Free MIMO Communications

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Future sixth generation (6G) wireless communication networks face the need to similarly meet unprecedented quality of service (QoS) demands while also providing a larger energy efficiency (EE) to minimize their carbon footprint. Moreover,…

Information Theory · Computer Science 2024-10-28 Robert-Jeron Reifert , Stefan Roth , Alaa Alameer Ahmad , Aydin Sezgin

The cellular Internet-of-Things has resulted in the deployment of millions of machine-type communication (MTC) devices. These massive number of devices must communicate with a single gNodeB (gNB) via the random access channel (RACH)…

By moving to millimeter wave (mmWave) frequencies, base stations (BSs) will be densely deployed to provide seamless coverage in sixth generation (6G) mobile communication systems, which, unfortunately, leads to severe cell-edge problem. In…

Information Theory · Computer Science 2024-10-28 Junyuan Wang , Lin Dai , Lu Yang , Bo Bai

Optical wireless communication (OWC) is a promising technology that has the potential to provide Tb/s aggregate rates. In this paper, interference management is studied in a Laser-based optical wireless network where vertical-cavity…

Information Theory · Computer Science 2021-11-16 Khulood Alazwary , Ahmad Adnan Qidan , Taisir El-Gorashi , Jaafar M. H. Elmirghani

Rate-Splitting Multiple Access (RSMA) has been recognized as a promising multiple access technique for future wireless communication systems. Recent research demonstrates that RSMA can maintain its superiority without relying on Successive…

Information Theory · Computer Science 2025-07-16 Sibo Zhang , Bruno Clerckx , David Vargas

Rate-Splitting multiple access (RSMA) has emerged as a key enabler in improving the performance of the beyond fifth-generation (5G) cellular networks. The existing literature has typically considered the sum rate of the users to evaluate…

Signal Processing · Electrical Eng. & Systems 2022-12-23 Garima Chopra , Akhileswar Chowdary , Abhinav Kumar , Marwa Chafii

Optical wireless communication is an effective potential solution for enabling high speed next generation cellular networks. In this paper, laser sources, in particular, vertical-cavity surface-emitting (VCSEL) lasers are used for data…

Signal Processing · Electrical Eng. & Systems 2021-05-26 Khulood Alazwary , Ahmad Adnan Qidan , Taisir El-Gorashi , Jaafar M. H. Elmirghani

Cell-free (CF) massive multiple-input multiple-output (MIMO) systems, which exploit many geographically distributed access points to coherently serve user equipments via spatial multiplexing on the same time-frequency resource, has become a…

Information Theory · Computer Science 2023-06-14 Jiakang Zheng , Jiayi Zhang , Hongyang Du , Dusit Niyato , Bo Ai , Mérouane Debbah , Khaled B. Letaief

The concept of intelligent reflecting surfaces (IRSs) is considered as a promising technology for increasing the efficiency of mobile wireless networks. This is achieved by employing a vast amount of low-cost individually adjustable passive…

Networking and Internet Architecture · Computer Science 2020-12-01 Kevin Weinberger , Alaa Alameer Ahmad , Aydin Sezgin

Cell-Free (CF) Massive MIMO (mMIMO) is a technology which can potentially augment not only the deployment of 5G, but also the deployment of beyond 5G (B5G) wireless networks. However, the cost for rolling out such systems may be…

Information Theory · Computer Science 2022-08-02 Ioannis Chiotis , Aris L. Moustakas

Rate-splitting multiple access (RSMA) has been recognized as a promising physical layer strategy for 6G. Motivated by ever increasing popularity of cache-enabled content delivery in wireless communications, this paper proposes an innovative…

Information Theory · Computer Science 2022-04-26 Robert-Jeron Reifert , Alaa Alameer Ahmad , Yijie Mao , Aydin Sezgin , Bruno Clerckx

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. However, the limited frequency band and the coexistence of…

Information Theory · Computer Science 2024-05-03 Yunnuo Xu , Longfei Yin , Yijie Mao , Wonjae Shin , Bruno Clerckx

In a superimposed unicast and multicast transmission system, one layer of Successive Interference Cancellation (SIC) is required at each receiver to remove the multicast stream before decoding the unicast stream. In this paper, we show that…

Information Theory · Computer Science 2018-11-22 Yijie Mao , Bruno Clerckx , Victor O. K. Li

This paper investigates the performance of a two-timescale transmission design for uplink reconfigurable intelligent surface (RIS)-aided cell-free massive multiple-input multiple-output (CF-mMIMO) systems. We consider the Rician channel…

Signal Processing · Electrical Eng. & Systems 2023-08-07 Jianxin Dai , Jin Ge , Kangda Zhi , Cunhua Pan , Zaichen Zhang , Jiangzhou Wang , Xiaohu You

Rate-Splitting Multiple Access (RSMA) is a robust multiple access scheme for downlink multi-antenna wireless networks. In this work, we investigate a novel application of RSMA for joint communications and jamming with a Multi-Carrier (MC)…

Information Theory · Computer Science 2021-08-13 Onur Dizdar , Bruno Clerckx

Cell-free (CF) massive multiple-input multiple-output (MIMO) is considered as a promising technology for achieving the ultimate performance limit. However, due to its distributed architecture and low-cost access points (APs), the signals…

Information Theory · Computer Science 2022-10-18 Jiakang Zheng , Zhuoyi Zhao , Jiayi Zhang , Julian Cheng , Victor C. M. Leung

Rate-Splitting Multiple Access (RSMA) is an emerging flexible, robust and powerful multiple access scheme for downlink multi-antenna wireless networks. RSMA relies on multi-antenna Rate-Splitting (RS) strategies at the transmitter and…

Information Theory · Computer Science 2020-07-21 Onur Dizdar , Yijie Mao , Wei Han , Bruno Clerckx

Rate-Splitting Multiple Access (RSMA), relying on multi-antenna Rate-Splitting (RS) techniques, has emerged as a powerful strategy for multi-user multi-antenna systems. In this paper, RSMA is introduced as a unified multiple access for…

Signal Processing · Electrical Eng. & Systems 2020-03-09 Chengcheng Xu , Bruno Clerckx , Shiwa Chen , Yijie Mao , Jianyun Zhang

Rate-splitting multiple access (RSMA) has recently appeared as a powerful technique for improving the downlink performance of multiple-input multiple-output (MIMO) systems. By flexibly managing interference, RSMA can deliver high spectral…

Signal Processing · Electrical Eng. & Systems 2022-05-25 Arthur S. de Sena , Pedro H. J. Nardelli , Daniel B. da Costa , Petar Popovski , Constantinos B. Papadias

In this paper, we address the power allocation problem for a decode and forward (DF) relay system, where a massive multiple-input-multiple-output (mMIMO) multi-carrier (MC) base station (BS) node communicates with a MC single antenna node…

Information Theory · Computer Science 2019-08-01 Vimal Radhakrishnan , Omid Taghizadeh , Rudolf Mathar