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In this paper, we analyze the impact of communication failures on the performance of optimal distributed frequency control. We consider a consensus-based control scheme, and show that it does not converge to the optimal solution when the…

系统与控制 · 计算机科学 2016-05-04 Marzieh Parandehgheibi , Konstantin Turitsyn , Eytan Modiano

We address the challenge of crosstalk in quantum multiplexing -an obstacle to scaling throughput in quantum communication networks. Crosstalk arises when physically coupled quantum modes interfere, degrading signal fidelity. We propose a…

量子物理 · 物理学 2025-06-30 Seid Koudia , Symeon Chatzinotas

This work concerns receiver design for light-emitting diode (LED) multiple input multiple output (MIMO) communications where the LED nonlinearity can severely degrade the performance of communications. In this paper, we propose an extreme…

信号处理 · 电气工程与系统科学 2019-03-06 Dawei Gao , Qinghua Guo

This paper explores the potential of affine frequency division multiplexing (AFDM) to mitigate the multiuser interference (MUI) problem by employing time-domain precoding in extremely-large-scale multiple-input multiple-output (XL-MIMO)…

分布式、并行与集群计算 · 计算机科学 2025-03-14 Jun Zhu , Yin Xu , Dazhi He , Haoyang Li , Yunfeng Guan , Wenjun Zhang , Tianyao Ma , Haozhi Yuan

We propose a neural network for both forward and inverse continuous nonlinear Fourier transforms, NFT and INFT respectively. We demonstrate the network's capability to perform NFT and INFT for a random mix of NFDM-QAM signals. The network…

信号处理 · 电气工程与系统科学 2024-07-17 Wen Qi Zhang , Terence H. Chan , Shahraam Afshar V.

Full-duplex systems require very strong self-interference cancellation in order to operate correctly and a significant part of the self-interference signal is due to non-linear effects created by various transceiver impairments. As such,…

信号处理 · 电气工程与系统科学 2018-10-08 Alexios Balatsoukas-Stimming

In full-duplex systems, due to the strong self-interference signal, system nonlinearities become a significant limiting factor that bounds the possible cancellable self-interference power. In this paper, a self-interference cancellation…

信息论 · 计算机科学 2014-06-02 Elsayed Ahmed , Ahmed M. Eltawil , Ashutosh Sabharwal

In wavelength division multiplexed (WDM) optical networks, intraband and/or interband crosstalk plays a major role in limiting practical implementation of an OXC subsystem. Again FIBER BRAGG GRATINGS (FBGs), due to their properties, are…

光学 · 物理学 2012-03-15 Bobby Barua

Although in cellular networks full-duplex and dynamic time-division duplexing promise increased spectrum efficiency, their potential is so far challenged by increased interference. While previous studies have shown that self-interference…

信息论 · 计算机科学 2020-10-23 José Mairton B. da Silva , Gustav Wikström , Ratheesh K. Mungara , Carlo Fischione

Optical frequency combs have the potential to become key building blocks of optical communication subsystems. The strictly equidistant, narrow-band spectral lines of a frequency comb can serve both as carriers for massively parallel data…

信号处理 · 电气工程与系统科学 2019-07-03 Pablo Marin-Palomo , Juned N. Kemal , Wolfgang Freude , Sebastian Randel , Christian Koos

Interconnect properties position superconducting digital circuits to build large, high performance, power efficient digital systems. We report a board-to-board communication data link, which is a critical technological component that has…

New services and applications are causing an exponential increase in internet traffic. In a few years, current fiber optic communication system infrastructure will not be able to meet this demand because fiber nonlinearity dramatically…

新兴技术 · 计算机科学 2020-06-24 Simone Gaiarin , Auro Michele Perego , Edson Porto da Silva , Francesco Da Ros , Darko Zibar

We analyze theoretically and experimentally how nonlinear differential-transmission spectroscopy of a lambda-system medium can provide quantitative understanding of the optical dipole moments and transition energies. We focus on the…

材料科学 · 物理学 2015-01-07 J. P. de Jong , A. R. Onur , D. Reuter , A. D. Wieck , C. H. van der Wal

We consider solitons in a nonlinear optical fiber with a single polarization in a region of parameters where it carries exactly two distinct modes, the fundamental one and the first-order helical mode. From the viewpoint of applications to…

斑图形成与孤子 · 物理学 2009-10-31 Boris Malomed , G. D. Peng , P. L. Chu

The demand for higher data rates and the scarce spectrum resources drive the adoption of collaborative communication techniques. In this work we shown that the existing cluster based collaborative schemes can be greatly improved in terms of…

信息论 · 计算机科学 2016-04-06 Anatoly Khina , Tal Philosof , Moshe Laifenfeld

Cell-Free massive MIMO networks provide huge power gains and resolve inter-cell interference by coherent processing over a massive number of distributed instead of co-located antennas in access points (APs). Cost-efficient hardware is…

信号处理 · 电气工程与系统科学 2023-05-23 Yibo Wu , Luca Sanguinetti , Ulf Gustavsson , Alexandre Graell i Amat , Henk Wymeersch

In this paper, the performance of a power domain downlink multiple-input multiple-output non-orthogonal multiple access system in dual-hop full-duplex (FD) relaying networks is investigated over Nakagami-$m$ fading channels by considering…

信息论 · 计算机科学 2021-09-28 Mesut Toka , Eray Guven , Mehmet Akif Durmaz , Gunes Karabulut Kurt , Oguz Kucur

We review the design of multidimensional modulations by maximizing generalized mutual information and compare the maximum transmission reach of recently introduced 4D formats. A model-based optimization for nonlinear-tolerant 4D modulations…

信号处理 · 电气工程与系统科学 2021-12-24 Bin Chen , Gabriele Liga , Yi Lei , Wei Ling , Zhengyan Huan , Xuwei Xue , Alex Alvarado

Existing works on Cell-Free Massive MIMO primarily focus on optimising system throughput and energy efficiency under high-traffic scenarios with only a limited focus on variable user demand as required by higher network layers.…

信号处理 · 电气工程与系统科学 2025-06-10 Robbert Beerten , Vida Ranjbar , Hazem Sallouha , Sofie Pollin

Discrete Fractional Fourier Transforms (DFrFT) are universal mathematical tools in signal processing, communications and microwave sensing. Despite the excessive applications of DFrFT, implementation of corresponding fractional orders in…

系统与控制 · 电气工程与系统科学 2024-08-22 Rasool Keshavarz , Negin Shariati , Mohammad-Ali Miri