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Time Reversal (TR) has been proposed as a competitive precoding strategy for low-complexity devices, relying on ultra-wideband waveforms. This transmit processing paradigm can address the need for low power and low complexity receivers,…

Information Theory · Computer Science 2023-09-12 Ali Mokh , George C. Alexandropoulos , Mohamed Kamoun , Abdelwaheb Ourir , Arnaud Tourin , Mathias Fink , Julien de Rosny

We present the modeling and characterization of a time-reversal routing dispersion code multiple access (TR-DCMA) system. We show that this system maintains the low complexity advantage of DCMA transceivers while offering dynamic adaptivity…

Signal Processing · Electrical Eng. & Systems 2017-09-26 Lianfeng Zou , Christophe Caloz

UWB communication is a recent research area for indoor propagation channels. Time Reversal (TR) communication in UWB has shown promising results for improving the system performance. In multiuser environment, the system performance is…

Networking and Internet Architecture · Computer Science 2008-10-09 Ijaz Haider Naqvi , Ali Khaleghi , Ghaïs El Zein

Ultra-high data rates with low-power consumption wireless communications and low-complexity receivers is one of the key requirements for the next 6-th Generation (6G) of communication networks. Sub-Terahertz (SubTHz) frequency bands can…

Due to availability of large spectrum chunks, the sub-TeraHertz (subTHz) frequency band can support Ultra-WideBand (UWB) wireless communications, paving the way for unprecedented increase in the wireless network capacity. This fact is…

Time-reversal (TR) is a beamforming technique for frequency-selective channels, which has received increasing attention due to its high energy efficiency and low computational complexity for wireless communications. In this paper, we…

Networking and Internet Architecture · Computer Science 2017-02-21 Carlos A. Viteri-Mera , Fernando L. Teixeira

Late visions and trends for the future sixth Generation (6G) of wireless communications advocate, among other technologies, towards the deployment of network nodes with extreme numbers of antennas and up to terahertz frequencies, as means…

Millimeter wave (mm-wave) and massive MIMO have been proposed for next generation wireless systems. However, there are many open problems for the implementation of those technologies. In particular, beamforming is necessary in mm-wave…

Information Theory · Computer Science 2015-06-19 Carlos A. Viteri-Mera , Fernando L. Teixeira

Time reversal (TR) recently emerged as an interesting communication technology capable of providing a good spatio-temporal signal focusing effect. New generations of large-bandwidth devices with reduced cost leverage the use of TR wideband…

Signal Processing · Electrical Eng. & Systems 2019-04-25 Trung-Hien Nguyen , Jean-François Determe , Mathieu Van Eeckhaute , Jérôme Louveaux , Philippe De Doncker , François Horlin

This paper has been withdrawn by arXiv. arXiv admin note: author list truncated due to disputed authorship and content. This submission repeats large portions of text from this http URL by other authors. Duty cycle mode in WSN improves…

Distributed, Parallel, and Cluster Computing · Computer Science 2013-04-30 Rajeev K. Shakya

Resonant beam charging (RBC) can realize wireless power transfer (WPT) from a transmitter to multiple receivers via resonant beams. The adaptive RBC (ARBC) can effectively improve its energy utilization. In order to support multi-user WPT…

Signal Processing · Electrical Eng. & Systems 2018-09-27 Mingliang Xiong , Mingqing Liu , Qingqing Zhang , Qingwen Liu , Jun Wu , Pengfei Xia

As chiplet-based integration and many-core architectures become the norm in high-performance computing, on-chip wireless communication has emerged as a compelling alternative to traditional interconnects. However, scalable Medium Access…

Emerging Technologies · Computer Science 2025-09-29 Ama Bandara , Abhijit Das , Fatima Rodriguez-Galan , Eduard Alarcon , Sergi Abadal

The time division multiple access (TDMA) technique has been applied in automotive multiple-input multiple-output (MIMO) radar. However, it suffers from the transmit energy loss, and as a result the parameter estimation performance…

Signal Processing · Electrical Eng. & Systems 2021-03-26 Feng Xu , Sergiy A. Vorobyov , Fawei Yang

Wireless Network-on-Chip (WNoC) is a promising paradigm to overcome the versatility and scalability issues of conventional on-chip networks for current processor chips. However, the chip environment suffers from delay spread which leads to…

Wireless communications in the terahertz band have been recently proposed as complement to conventional wired interconnects within computing packages. Such environments are typically highly reverberant, hence showing long channel impulse…

Time reversal, that is prefiltering of transmitted signals with time reversed channel impulse responses, may be used in single user communications in order to move complexity from the receiver to the transmitter, and in multiuser…

Information Theory · Computer Science 2014-05-20 Guido Carlo Ferrante , Jocelyn Fiorina , Maria-Gabriella Di Benedetto

Constrained-energy underwater acoustic nodes are typically connected via a multi-hop underwater acoustic network (MHUAN) to cover a broad marine region. Recently, protocols for efficiently connecting such nodes have received considerable…

Networking and Internet Architecture · Computer Science 2019-10-02 Ruiqin Zhao , Hao Long , Octavia A. Dobre , Xiaohong Shen , Telex M. N. Ngatched , Haodi Mei

In this paper, we for the first time investigate the random access problem for a delay-constrained heterogeneous wireless network. We begin with a simple two-device problem where two devices deliver delay-constrained traffic to an access…

Networking and Internet Architecture · Computer Science 2022-05-05 Lei Deng , Danzhou Wu , Zilong Liu , Yijin Zhang , Yunghsiang S. Han

Wireless Network-on-Chip (WNoC) is a promising concept which provides a solution to overcome the scalability issues in prevailing networks-in-package for many-core processors. However, the electromagnetic propagation inside the chip package…

Emerging Technologies · Computer Science 2024-09-17 Ama Bandara , Abhijit Das , Fátima Rodríguez-Galán , Eduard Alarcón , Sergi Abadal

Time reversal (TR) is a promising technique that exploits multipaths for achieving energy focusing in high-frequency wideband communications. In this letter, we focus on a TR scheme facilitated by a reconfigurable intelligent surface (RIS)…

Signal Processing · Electrical Eng. & Systems 2024-08-27 Andreas Nicolaides , Constantinos Psomas , Ioannis Krikidis
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