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Massive multiple-input multiple-output (MIMO) is a promising approach for cellular communication due to its energy efficiency and high achievable data rate. These advantages, however, can be realized only when channel state information…

信息论 · 计算机科学 2015-04-01 Min Soo Sim , Jeonghun Park , Chan-Byoung Chae , Robert W. Heath

Organoids have garnered attention due to their effectiveness in modeling the 3D structure of organ interactions. However, the communication engineering perspective has received relatively little attention. One way to achieve organoids…

新兴技术 · 计算机科学 2024-01-23 Shaojie Zhang , Ozgur B. Akan

Synaptic communication is studied by communication engineers for two main reasons. One is to enable novel neuroengineering applications that require interfacing with neurons. The other reason is to draw inspiration for the design of…

神经元与认知 · 定量生物学 2023-01-18 Sebastian Lotter , Michael T. Barros , Robert Schober , Maximilian Schäfer

Multimode receivers based on spatial or modal diversity are promising architectures to mitigate in real time the atmospheric turbulence effects for free space optical (FSO) communications. In this paper, we evaluate and comment on the…

信号处理 · 电气工程与系统科学 2022-08-19 Vincent Billault , Jerome Bourderionnet , Luc Leviandier , Patrick Feneyrou , Anaelle Maho , Michel Sotom , Arnaud Brignon

Cell-free massive MIMO and symbiotic radio are promising beyond 5G (B5G) networking architecture and transmission technology, respectively. This paper studies cell-free symbiotic radio systems, where a number of distributed access points…

信息论 · 计算机科学 2021-06-14 Zhuoyin Dai , Ruoguang Li , Jingran Xu , Yong Zeng , Shi Jin

Cell-free massive MIMO and symbiotic radio communication have been recently proposed as the promising beyond fifth-generation (B5G) networking architecture and transmission technology, respectively. To reap the benefits of both, this paper…

系统与控制 · 电气工程与系统科学 2022-05-18 Zhuoyin Dai , Ruoguang Li , Jingran Xu , Yong Zeng , Shi Jin

Starting from first principles of wave propagation, we consider a multiple-input multiple-output (MIMO) representation of a communication system between two spatially-continuous volumes. This is the concept of holographic MIMO…

信号处理 · 电气工程与系统科学 2022-09-30 Luca Sanguinetti , Antonio A. D'Amico , Merouane Debbah

Despite the extensive use of a centralized approach to design receivers at the base station for massive multiple-input multiple-output (M-MIMO) systems, their actual implementation is a major challenge due to several bottlenecks imposed by…

信息论 · 计算机科学 2021-07-26 Victor Croisfelt , Taufik Abrão , Abolfazl Amiri , Elisabeth de Carvalho , Petar Popovski

We report a detailed and systematic study of wave propagation through a stochastic absorbing random medium. Stochastic absorption is modeled by introducing an attenuation constant per unit length $\alpha$ in the free propagation region of…

无序系统与神经网络 · 物理学 2007-05-23 Sandeep K. Joshi , Debendranath Sahoo , A. M. Jayannavar

This paper investigates the achievable sum rate of multiple-input multiple-output (MIMO) wireless systems employing linear minimum mean-squared error (MMSE) receivers. We present a new analytic framework which unveils an interesting…

信息论 · 计算机科学 2009-03-05 Matthew R. McKay , Iain B. Collings , Antonia M. Tulino

This paper presents a statistical block fading channel model for multiuser massive MIMO system. The proposed channel model is evolved from correlation based stochastic channel model (CBSCM) but in addition to the properties of CBSCM, it has…

信息论 · 计算机科学 2016-04-05 Suresh Dahiya

In a cell-free (CF) massive MIMO architecture a very large number of distributed access points (APs) simultaneously and jointly serves a much smaller number of mobile stations (MSs); a variant of the cell-free technique is the user-centric…

信息论 · 计算机科学 2017-11-07 Mario Alonzo , Stefano Buzzi

In this paper, for a single-input multiple-output (SIMO) system aided by a passive reconfigurable intelligent surface (RIS), the joint transmission accomplished by the single transmit antenna and the RIS with multiple controllable…

信息论 · 计算机科学 2023-11-27 Ru-Han Chen , Jing Zhou , Yonggang Zhu , Kai Zhang

The performance of molecular communication is significantly impacted by the reception process of the messenger molecules. The receptors' size and density, however, have yet to be investigated. In this letter, we analyze the effect of…

新兴技术 · 计算机科学 2014-11-26 Ali Akkaya , H. Birkan Yilmaz , Chan-Byoung Chae , Tuna Tugcu

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…

信息论 · 计算机科学 2016-06-24 Maksym A. Girnyk , Mikko Vehkaperä , Lars K. Rasmussen

This work builds on our earlier work on designing demodulators for diffusion-based molecular communications using a Markovian approach. The demodulation filters take the form of an ordinary differential equation (ODE) which computes the…

信息论 · 计算机科学 2020-07-13 Muhammad Usman Riaz , Hamdan Awan , Chun Tung Chou

This paper studies the receiver to transmitter antenna coupling in near-field communications with massive arrays. Although most works in the literature consider that it is negligible and approximate it by zero, there is no rigorous analysis…

信号处理 · 电气工程与系统科学 2024-06-21 Aniol Martí , Jaume Riba , Meritxell Lamarca , Xavier Gràcia

This paper investigates multi-target detection in an integrated sensing and communication (ISAC) system within a cell-free massive MIMO (CF-mMIMO) framework. We adopt a user-centric approach for communication user equipments (UEs) and a…

信号处理 · 电气工程与系统科学 2025-07-24 Zinat Behdad , Ozlem Tugfe Demir , Ki Won Sung , Cicek Cavdar

The user-centric, cell-free wireless network is a promising next-generation communication system, but signal synchronization issues arise due to distributed access points and lack of cellular structure. We propose a novel method to recover…

信息论 · 计算机科学 2025-06-09 Xuyang Sun , Hussein A. Ammar , Raviraj Adve , Israfil Bahceci , Gary Boudreau

In diffusion-based communication, as for molecular systems, the achievable data rate is very low due to the slow nature of diffusion and the existence of severe inter-symbol interference (ISI). Multiple-input multiple-output (MIMO)…

信息论 · 计算机科学 2018-01-23 S. Mohammadreza Rouzegar , Umberto Spagnolini