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A node equipped with a multi-beam antenna can achieve a throughput of up to m times as compared to a single-beam antenna, by simultaneously communicating on its m non-interfering beams. However, the existing multi-beam medium access control…

Networking and Internet Architecture · Computer Science 2022-10-12 Shivam Garg , Nandini Venkatraman , Elizabeth Serena Bentley , Sunil Kumar

A main distinguishing feature of a wireless network compared with a wired network is its broadcast nature, in which the signal transmitted by a node may reach several other nodes, and a node may receive signals from several other nodes,…

Networking and Internet Architecture · Computer Science 2009-10-15 Zhang Shengli , Soung Chang Liew

In this paper, we characterize the information-theoretic capacity scaling of wireless ad hoc networks with $n$ randomly distributed nodes. By using an exact channel model from Maxwell's equations, we successfully resolve the conflict in the…

Information Theory · Computer Science 2011-10-19 Si-Hyeon Lee , Sae-Young Chung

In this paper, we consider the task of introducing a new wireless data link over a given occupied frequency band using a multi-antenna transmitter and receiver. We design formally a dynamic multiple-input multiple-output (MIMO) wireless…

Networking and Internet Architecture · Computer Science 2025-04-10 Hatef Nouri , George Sklivanitis , Dimitris A. Pados , Elizabeth Serena Bentley

Wireless federated learning (WFL) undergoes a communication bottleneck in uplink, limiting the number of users that can upload their local models in each global aggregation round. This paper presents a new multi-carrier non-orthogonal…

Information Theory · Computer Science 2023-02-15 Weicai Li , Tiejun Lv , Yashuai Cao , Wei Ni , Mugen Peng

Future nano-scale electronics built up from an Avogadro number of components needs efficient, highly scalable, and robust means of communication in order to be competitive with traditional silicon approaches. In recent years, the…

Hardware Architecture · Computer Science 2007-07-01 Christof Teuscher

Distributed computing frameworks such as MapReduce and Spark are often used to process large-scale data computing jobs. In wireless scenarios, exchanging data among distributed nodes would seriously suffer from the communication bottleneck…

Information Theory · Computer Science 2023-10-25 Youlong Wu , Zhenhao Huang , Kai Yuan , Shuai Ma , Yue Bi

Heterogeneous 3D System-on-Chips (3D SoCs) are the most promising design paradigm to combine sensing and computing within a single chip. A special characteristic of communication networks in heterogeneous 3D SoCs is the varying latency and…

Noncoherent communication systems have regained interest due to the growing demand for high-mobility and low-latency applications. Most existing studies using large antenna arrays rely on the far-field approximation, which assumes locally…

Signal Processing · Electrical Eng. & Systems 2025-05-26 Aniol Martí , Luca Sanguinetti , Meritxell Lamarca , Jaume Riba

Non-orthogonal multiple access (NOMA) has been widely recognized as a promising way to scale up the number of users, enhance the spectral efficiency, and improve the user fairness in wireless networks, by allowing more than one user to…

Information Theory · Computer Science 2019-08-06 Mojtaba Vaezi , Gayan Amarasuriya , Yuanwei Liu , Ahmed Arafa , Fang Fang , Zhiguo Ding

Data center networks (DCNs) are essential infrastructures to embrace the era of highly diversified massive amount of data generated by emerging technological applications. In order to store and process such a data deluge, today's DCNs have…

Networking and Internet Architecture · Computer Science 2018-11-29 Abdulkadir Celik , Basem Shihada , Mohamed-Slim Alouini

Significant effort in optical-fiber research has been put in recent years into realizing mode-division multiplexing (MDM) in conjunction with wavelength-division multiplexing (WDM) to enable further scaling of the communication bandwidth…

Spectrum shortage is a fundamental problem in wireless networks and this problem becomes increasingly acute with the rapid proliferation of wireless devices. To address this problem, spectrum sharing in the context of cognitive radio…

Networking and Internet Architecture · Computer Science 2019-05-28 Pedram Kheirkhah Sangdeh , Hossein Pirayesh , Adnan Quadri , Huacheng Zeng

In multi-user optical wireless communication (OWC) systems interference between users and cells can significantly affect the quality of OWC links. Thus, in this paper, a mixed-integer linear programming (MILP) model is developed to…

Networking and Internet Architecture · Computer Science 2020-04-21 Osama Zwaid Alsulami , Sarah O. M. Saeed , Sanaa Hamid Mohamed , T. E. H. El-Gorashi , Mohammed T. Alresheedi , Jaafar M. H. Elmirghani

TV White Spaces have recently been proposed as an alternative to alleviate the spectrum crunch, characterised by the need to reallocate frequency bands to accommodate the ever-growing demand for wireless communications. In this paper, we…

Networking and Internet Architecture · Computer Science 2016-07-28 Andrés Arcia-Moret , Arjuna Sathiaseelan , Marco Zennaro , Freddy Rondón , Ermanno Pietrosemoli , David Johnson

The throughput efficiency of a wireless mesh network with potentially malicious external or internal interference can be significantly improved by equipping routers with multi-radio access over multiple channels. For reliably mitigating the…

Networking and Internet Architecture · Computer Science 2023-01-24 Yung-Fu Chen , Anish Arora

The performance of collaborative beamforming is analyzed using the theory of random arrays. The statistical average and distribution of the beampattern of randomly generated phased arrays is derived in the framework of wireless ad hoc…

Information Theory · Computer Science 2016-08-31 Hideki Ochiai , Patrick Mitran , H. Vincent Poor , Vahid Tarokh

Low-Power Wide-Area Networks operating in the unlicensed bands are being deployed to connect a rapidly growing number of Internet-of-Things devices. While the unlicensed sub-GHz band offers favorable propagation for long-range connections,…

Signal Processing · Electrical Eng. & Systems 2020-12-04 Gilles Callebaut , Sara Gunnarsson , Andrea P. Guevara , Fredrik Tufvesson , Sofie Pollin , Liesbet Van der Perre , Anders J Johansson

This paper surveys recent advances in the area of very large MIMO systems. With very large MIMO, we think of systems that use antenna arrays with an order of magnitude more elements than in systems being built today, say a hundred antennas…

Information Theory · Computer Science 2015-06-03 Fredrik Rusek , Daniel Persson , Buon Kiong Lau , Erik G. Larsson , Thomas L. Marzetta , Ove Edfors , Fredrik Tufvesson

This paper presents a tutorial for network multiple-input and multiple-output (netMIMO) in wireless local area networks (WLAN). Wireless traffic demand is growing exponentially. NetMIMO allows access points (APs) in a WLAN to cooperate in…

Networking and Internet Architecture · Computer Science 2014-05-06 Hong Huang , Hajar Barani , Hussein Al-Azzawi