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Related papers: Launch Power Optimization in super-(C+L) Systems

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We investigate the residual throughput penalty due to ISRS, after power-optimization, in multiband systems. We show it to be mild. We also revisit the launch power optimization 3-dB rule. We find that using it is possible but not advisable…

Signal Processing · Electrical Eng. & Systems 2024-07-12 Yanchao Jiang , Fabrizio Forghieri , Stefano Piciaccia , Gabriella Bosco , Pierluigi Poggiolini

We investigate C+L+S long-haul systems using a closed-form GN/EGN non-linearity model. We perform accurate launch power and Raman pump optimization. We show a potential 4x throughput increase over legacy C-band systems in 1000 km links,…

Signal Processing · Electrical Eng. & Systems 2024-07-15 Y. Jiang , J. Sarkis , A. Nespola , F. Forghieri , S. Piciaccia , A. Tanzi , M. Ranjbar Zefreh , P. Poggiolini

We propose an algorithm for calculating the optimum launch power over the entire C+L bands by maximizing the cumulative link GSNR of a channel plan built upon multiple modulation formats, with application to dynamic EONs. Exact last-fit…

In this paper, we explored the opportunity to enhance power grid robustness after routing stage, and propose a linear programming based algorithm that maximizes the improvement of power grid strengthening with given available routing…

Hardware Architecture · Computer Science 2017-11-29 Tapio Bohn , Paul Salmi , Albert Milner

Per-channel launch power optimisation in a hybrid-amplified link with optimised pump powers and wavelengths is described. Compared to using the optimum spectrally uniform launch power, an average SNR gain of 0.13 dB is obtained against 0.56…

Signal Processing · Electrical Eng. & Systems 2024-05-29 Henrique Buglia , Eric Sillekens , Lidia Galdino , Robert I. Killey , Polina Bayvel

In this work, we develop low complexity, optimal power allocation algorithms that would allow ultra reliable operation at any outage probability target with minimum power consumption in the finite blocklength regime by utilizing…

Information Theory · Computer Science 2020-02-27 Endrit Dosti , Mohammad Shehab , Hirley Alves , Matti Latva-aho

With high-performance computing systems now running at exascale, optimizing power-scaling management and resource utilization has become more critical than ever. This paper explores runtime power-capping optimizations that leverage…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-06-26 Maria Patrou , Thomas Wang , Wael Elwasif , Markus Eisenbach , Ross Miller , William Godoy , Oscar Hernandez

In recent advances in solving the problem of transmission network expansion planning, the use of robust optimization techniques has been put forward, as an alternative to stochastic mathematical programming methods, to make the problem…

Computational Engineering, Finance, and Science · Computer Science 2016-09-28 Roberto Minguez , Raquel Garcia-Bertrand

In this paper, we investigate the uplink transmit power optimization problem in cell-free (CF) extremely large-scale multiple-input multiple-output (XL-MIMO) systems. Instead of applying the traditional methods, we propose two signal…

Information Theory · Computer Science 2023-02-21 Ziheng Liu , Zhilong Liu , Jiayi Zhang , Huahua Xiao , Bo Ai , Derrick Wing Kwan Ng

Accurate power prediction in VLSI design is crucial for effective power optimization, especially as designs get transformed from gate-level netlist to layout stages. However, traditional accurate power simulation requires time-consuming…

Hardware Architecture · Computer Science 2025-08-19 Wenkai Li , Yao Lu , Wenji Fang , Jing Wang , Qijun Zhang , Zhiyao Xie

Models applied on real time response task, like click-through rate (CTR) prediction model, require high accuracy and rigorous response time. Therefore, top-performing deep models of high depth and complexity are not well suited for these…

Machine Learning · Statistics 2018-03-16 Guorui Zhou , Ying Fan , Runpeng Cui , Weijie Bian , Xiaoqiang Zhu , Kun Gai

In order to accommodate the increasing amounts of renewable generation in power distribution systems, system operators are facing the problem of how to upgrade transmission capacities. Since line and transformer upgrades are costly,…

Optimization and Control · Mathematics 2018-09-18 Sandro Merkli , Alexander Domahidi , Juan Jerez , Roy S. Smith

Autonomous vehicles (AVs) present a unique opportunity to improve the sustainability of transportation systems by adopting eco-driving strategies that reduce energy consumption and emissions. This paper introduces a novel surrogate model…

Optimization and Control · Mathematics 2025-06-06 Andreas Hadjigeorgiou , Stelios Timotheou

This paper presents an efficient numerical method for calculating spatial power profiles of both signal and pump with significant Interchannel Stimulated Raman Scattering (ISRS) and backward Raman amplification in multiband systems. This…

Signal Processing · Electrical Eng. & Systems 2025-04-09 Yanchao Jiang , Jad Sarkis , Stefano Piciaccia , Fabrizio Forghieri , Pierluigi Poggiolini

This paper investigates the uncertain power flow analysis in distribution networks within the context of renewable power resources integration such as wind and solar power. The analysis aims to bound the worst-case voltage magnitude in any…

Systems and Control · Computer Science 2018-07-03 Khaled Laib , Anton Korniienko , Florent Morel , Gérard Scorletti

In this paper, we consider a chance-constrained formulation of the optimal power flow problem to handle uncertainties resulting from renewable generation and load variability. We propose a tuning method that iterates between solving an…

Optimization and Control · Mathematics 2020-05-28 Ashley M. Hou , Line A. Roald

This paper investigates the effective capacity of a point-to-point ultra-reliable low latency communication (URLLC) transmission over multiple parallel sub-channels at finite blocklength (FBL) with imperfect channel state information (CSI).…

Information Theory · Computer Science 2022-10-20 Hongsen Peng , Meixia Tao

Relaying over power line communication (PLC) channels can considerably enhance the performance and reliability of PLC systems. This paper is dedicated to study and analyze the energy efficiency of multi-hop cooperative relaying PLC systems.…

Signal Processing · Electrical Eng. & Systems 2018-08-02 Khaled M. Rabie , Bamidele Adebisi , Haris Gacanin , Galymzhan Nauryzbayev , Augustine Ikpehai

Intelligent reflecting surface (IRS) is a promising technology that enables the precise control of the electromagnetic environment in future wireless communication networks. To leverage the IRS effectively, the acquisition of channel state…

Information Theory · Computer Science 2021-10-25 Jiancheng An , Chao Xu , Lu Gan , Chau Yuen , Lajos Hanzo

Superconducting Digital (SCD) technology offers significant potential for enhancing the performance of next generation large scale compute workloads. By leveraging advanced lithography and a 300 mm platform, SCD devices can reduce energy…

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