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Multiple access technology is a key technology in various generations of wireless communication systems. As a potential multiple access technology for the next generation wireless communication systems, model division multiple access (MDMA)…

Information Theory · Computer Science 2023-11-28 Lei Teng , Wannian An , Chen Dong , Xiaoqi Qin , Xiaodong Xu

This paper develops a framework for analyzing UAV-enabled short-packet communication, leveraging fluid antenna system (FAS)-assisted relaying networks. Operating in the short-packet regime and focusing on challenging urban environments, we…

Information Theory · Computer Science 2026-02-09 Xusheng Zhu , Kai-Kit Wong , Hanjiang Hong , Han Xiao , Hao Xu , Tuo Wu , Chan-Byoung Chae

In this paper, we investigate the performance of the dual-hop free space optical (FSO) communication systems under the effect of strong atmospheric turbulence together with misalignment effects (pointing error). We consider a relay assisted…

Information Theory · Computer Science 2017-09-19 Neha Mishra , D. Sriram Kumar , Pranav Kumar Jha

In this paper, we provide a global framework analysis of a dual-hop mixed Radio Frequency (RF)/Free Space Optical (FSO) system with multiple branches/relays wherein the first and second hops, respectively, consist of RF and FSO channels. To…

Signal Processing · Electrical Eng. & Systems 2019-02-11 Elyes Balti , Mohsen Guizani

In dual-functional communication-radar systems, common radio frequency (RF) signals are used for both communication and detection. For better compatibility with existing communication systems, we adopt multiple-input multiple-output (MIMO)…

Information Theory · Computer Science 2022-10-14 Chen Zhong , Chunrong Gu , Lan Tang , Yechao Bai , Mengting Lou

In this paper, we have considered the optimization of the $M$-ary quadrature amplitude modulation (MQAM) constellation size to minimize the bit energy consumption under average bit error rate (BER) constraints. In the computation of the…

Information Theory · Computer Science 2009-06-23 Qing Chen , Mustafa Cenk Gursoy

Innovation in the physical layer of communication systems has traditionally been achieved by breaking down the transceivers into sets of processing blocks, each optimized independently based on mathematical models. Conversely, deep learning…

Information Theory · Computer Science 2022-05-04 Mathieu Goutay

In this paper, the error performance of on-off frequency shift keying (OOFSK) modulation over fading channels is analyzed when the receiver is equipped with multiple antennas. The analysis is conducted in two cases: the coherent scenario…

Information Theory · Computer Science 2016-11-17 Qingyun Wang , Mustafa Cenk Gursoy

In this work, we provide a detailed analysis of a dual-hop fixed gain (FG) amplify-and-forward relaying system, consisting of a hybrid radio frequency (RF) and free-space optical (FSO) channels. We introduce an impairment model which is the…

Signal Processing · Electrical Eng. & Systems 2019-02-12 Elyes Balti , Mohsen Guizani , Bechir Hamdaoui , Bassem Khalfi

Data transmission systems are widely used in various aspects of life, industry, research and other fields. Transmission systems have different characteristics for different application scenarios. Many of them require multi-hop transmission…

Signal Processing · Electrical Eng. & Systems 2018-06-07 Xuesong Liu , Jie Wu , Meng Zhou

Covert communication is the undetected transmission of sensitive information over a communication channel. In wireless communication systems, channel impairments such as signal fading present challenges in the effective implementation and…

Information Theory · Computer Science 2025-09-29 Amir Reza Ramtin , Dennis Goeckel , Don Towsley

We consider the analysis and design of distributed wireless networks wherein remote radio heads (RRHs) coordinate transmissions to serve multiple users on the same resource block (RB). Specifically, we analyze two possible multiple-input…

Information Theory · Computer Science 2021-11-19 Hussein A. Ammar , Raviraj Adve , Shahram Shahbazpanahi , Gary Boudreau

This paper investigates the impact of radio frequency (RF) cochannel interference (CCI) on the performance of dual-hop free-space optics (FSO)/RF relay networks. The considered FSO/RF system operates over mixed…

Signal Processing · Electrical Eng. & Systems 2018-03-29 Imène Trigui , Nesrine Cherif , Sofiène Affes , Xianbin Wang , Victor C. M. Leung

This paper investigates fluid antenna systems (FASs) subject to finite-blocklength (FBL) constraints, motivated by the strict reliability-latency and ultra-massive connectivity requirements of future wireless networks. While FAS performance…

Information Theory · Computer Science 2026-04-02 Zhentian Zhang , Kai-Kit Wong , David Morales-Jimenez , Hao Jiang , Hao Xu , Christos Masouros , Zaichen Zhang , Chan-Byoung Chae

At this present scenario, the demand of the system capacity is very high in wireless network. MIMO technology is used from the last decade to provide this requirement for wireless network antenna technology. MIMO channels are mostly used…

Networking and Internet Architecture · Computer Science 2014-10-29 Sutanu Ghosh

The present paper studies the asymptotic performance of multi-hop amplify-and-forward relay multiple-antenna communication channels. Each multi-antenna terminal in the network amplifies the received signal, sent by a source, and retransmits…

Information Theory · Computer Science 2016-06-24 Maksym A. Girnyk , Mikko Vehkaperä , Lars K. Rasmussen

In the beginning of 21st century there has been a dramatic shift in the market dynamics of telecommunication services. The transmission from base station to mobile or downlink transmission using M-ary Quadrature Amplitude modulation (QAM)…

Other Computer Science · Computer Science 2010-03-30 M. A. Masud , M. Samsuzzaman , M. A. Rahman

In this paper, adaptive hybrid beamforming methods are proposed for millimeter-wave range massive multiple-input-multiple-output (MIMO) systems considering single carrier wideband transmission in uplink data mode. A statistical analog…

Information Theory · Computer Science 2020-07-02 Anil Kurt , Gokhan Muzaffer Guvensen

Signal transmission over underwater optical wireless communication (UOWC) experiences the combined effect of oceanic turbulence and pointing errors statistically modeled using the sum of two Meijer-G functions. There is a research gap in…

Signal Processing · Electrical Eng. & Systems 2024-09-18 Arvind Kumar , Nikumani Choudhury , Jayendra N. Bandyopadhyay , S. M. Zafaruddin

The 5G wireless network architecture will bring dense deployments of base stations called {\em small cells} for both outdoors and indoors traffic. The feasibility of their dense deployments depends on the existence of a high data-rate…

Information Theory · Computer Science 2015-08-04 Song-Nam Hong , Ivana Maric , Dennis Hui