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Multi-hop uncrewed aerial vehicle (UAV) networks are promising to extend the terrestrial network coverage. Existing multi-hop UAV networks employ a single routing path by selecting the next-hop forwarding node in a hop-by-hop manner, which…

Multiagent Systems · Computer Science 2026-01-16 Zhenyu Zhao , Tiankui Zhang , Xiaoxia Xu , Junjie Li , Yuanwei Liu , Wenjuan Xing

Widely adopted at home, business places, and hot spots, wireless ad-hoc networks are expected to provide broadband services parallel to their wired counterparts in near future. To address this need, MIMO techniques, which are capable of…

Networking and Internet Architecture · Computer Science 2008-02-26 Jing Ma , Ying Jun Zhang

This paper proposes spatial lattice modulation (SLM), a spatial modulation method for multipleinput-multiple-output (MIMO) systems. The key idea of SLM is to jointly exploit spatial, in-phase, and quadrature dimensions to modulate…

Information Theory · Computer Science 2018-05-23 Jiwook Choi , Yunseo Nam , Namyoon Lee

In this paper we carry out the asymptotic diversity analysis for millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) systems by using bit interleaved coded multiple beamforming (BICMB). First, a single-user mmWave system…

Information Theory · Computer Science 2019-03-15 Sadjad Sedighi , Ender Ayanoglu

Mobile Ad-hoc Network is a temporary network which is the cooperative engagement of a collection of standalone mobile nodes that are not connected to any external network. It is a decentralized network where mobile nodes can be easily…

Networking and Internet Architecture · Computer Science 2011-09-30 Md. Monzur Morshed , Meftah Ur Rahman , Md. Rafiqul Islam

This study investigates simpler alternatives to coherent joint transmission for supporting robust connectivity against signal blockage in mmWave/sub-THz access networks. By taking an information-theoretic viewpoint, we demonstrate…

Information Theory · Computer Science 2024-11-04 Lorenzo Miretti , Giuseppe Caire , Sławomir Stańczak

This paper is concerned with asymptotic diversity analysis for millimeter-wave (mmWave) massive MIMO systems. First, for a single-user mmWave system employing distributed antenna subarray architecture in which the transmitter and receiver…

Information Theory · Computer Science 2018-01-03 Dian-Wu Yue , Shuai Xu , Ha H. Nguyen

The polarization domain provides an extra degree of freedom (DoF) for improving the performance of multiple-input multiple-output (MIMO) systems. This paper takes advantage of this additional DoF to alleviate practical issues of successive…

Motivated by the demand for energy-efficient communication solutions in the next generation cellular network, a mixed-ADC receiver architecture for massive multiple input multiple output (MIMO) systems is proposed, which differs from…

Information Theory · Computer Science 2015-07-28 Ning Liang , Wenyi Zhang

The performance analysis of free space optical communication (FSO) system using relays and spatial diversity at the source is studied in this paper. The effect of atmospheric turbulence and attenuation, caused by different weather…

Signal Processing · Electrical Eng. & Systems 2018-04-03 Pranav Kumar Jha , Nitin Kachare , K Kalyani , D. Sriram Kumar

This work focuses on wideband intelligent reflecting surface (IRS)-aided multiuser MIMO systems. One of the major challenges of this scenario is the joint design of the frequency-dependent base station (BS) precoder and user filters, and…

Information Theory · Computer Science 2024-01-30 Darian Pérez-Adán , Michael Joham , Óscar Fresnedo , José P. González-Coma , Luis Castedo , Wolfgang Utschick

One of the main aims of indoor visible light communication (VLC) systems is to deliver a high data rate service in single user and in multiuser scenarios. A key obstacle is the ability of the indoor VLC channel to support high data rates in…

Signal Processing · Electrical Eng. & Systems 2019-08-20 Safwan Hafeedh Younus , Aubida A. Al-Hameed , Jaafar M. H. Elmirghani

Wireless communication technology has seen a remarkably fast evolution due to its capability to provide a quality, reliable and high-speed data transmission amongst the users. However, transmission of information in wireless channels is…

Information Theory · Computer Science 2017-11-30 Sylvia Ong Ai Ling , Hushairi Zen , Al-Khalid B Hj Othman , Mahmood Adnan , Olalekan Bello

This paper analyzes the performance of clustered decode-and-forward multi-hop relaying (CDFMR) wireless Rayleigh fading networks, and sheds light on their design principles for energy and spectral efficiency. The focus is on a general…

Information Theory · Computer Science 2014-07-01 Amin Azari , Jalil Seifali Harsini , Farshad Lahouti

The concept of continuous-aperture multiple-input multiple-output (CAP-MIMO) technology has been proposed recently, which aims at achieving high spectrum efficiency by deploying extremely dense antennas or even continuous antennas in a…

Information Theory · Computer Science 2023-02-01 Zhongzhichao Wan , Jieao Zhu , Linglong Dai

This paper proposes an adaptive multi-mode transmission strategy to improve the spectral efficiency achieved in the multiple-input multiple-output (MIMO) broadcast channel with delayed and quantized channel state information. The adaptive…

Information Theory · Computer Science 2016-11-17 Jun Zhang , Marios Kountouris , Jeffrey G. Andrews , Robert W. Heath

We compare four open-loop transmit diversity schemes in a coded Orthogonal Frequency Division Multiplexing (OFDM) system with four transmit antennas, namely cyclic delay diversity (CDD), Space-Time Block Code (STBC, Alamouti code is used)…

Information Theory · Computer Science 2008-06-24 Chau Yuen , Yan Wu , Sumei Sun

Previous work on ad hoc network capacity has focused primarily on source-destination throughput requirements for different models and transmission scenarios, with an emphasis on delay tolerant applications. In such problems, network…

Information Theory · Computer Science 2007-07-13 Cristina Comaniciu , H. Vincent Poor

Distributed phased arrays based multiple-input multiple-output (DPA-MIMO) is a recently proposed highly reconfigurable architecture enabling both spatial multiplexing and beamforming in millimeter-wave (mmWave) systems. In this work, we…

Information Theory · Computer Science 2019-08-27 Yu Zhang , Yiming Huo , Jinlong Zhan , Dongming Wang , Xiaodai Dong , Xiaohu You

In this paper we study the maximum throughput achievable with optimal scheduling in multi-hop networks with highly directive antenna arrays capable of Space Division Multiplexing (SDM) at the transmitter and Space Division Multiple Access…

Information Theory · Computer Science 2019-01-28 Felipe Gómez-Cuba , Michele Zorzi
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