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With the advantages of high modeling accuracy and large bandwidth, recurrent neural network (RNN) based inversion model control has been proposed for output tracking. However, some issues still need to be addressed when using the RNN-based…

Systems and Control · Electrical Eng. & Systems 2020-01-03 Shengwen Xie , Juan Ren

Stimulated Raman scattering (SRS) represents a powerful tool for accessing the vibrational properties of molecular compounds or solid state systems. From a spectroscopic perspective, SRS is able to capture Raman spectra free from incoherent…

We introduce AdvantageFlow, a forward-process reinforcement learning algorithm for rectified flow models. Unlike Flow-GRPO, which optimizes the reverse process, we optimize an advantage-weighted forward-process prediction loss. This…

Machine Learning · Computer Science 2026-05-26 Branislav Kveton , Anup Rao , Subhojyoti Mukherjee , Krishna Kumar Singh , Viet Dac Lai

In a non-reciprocal optical amplifier, gain depends on whether the light propagates forwards or backwards through the device. Typically, one requires either the magneto-optical effect, a temporal modulation, or an optical nonlinearity to…

Parametric amplification is widely used in nanoelectro-mechanical systems to enhance the transduced mechanical signals. Although parametric amplification has been studied in different mechanical resonator systems, the nonlinear dynamics…

Deep Neural Network (DNN) based inference at the edge is challenging as these compute and data-intensive algorithms need to be implemented at low cost and low power while meeting the latency constraints of the target applications. Sparsity,…

Neural and Evolutionary Computing · Computer Science 2023-06-13 Adithya Krishna , Srikanth Rohit Nudurupati , Chandana D G , Pritesh Dwivedi , André van Schaik , Mahesh Mehendale , Chetan Singh Thakur

In this paper, multi-stream transmission in interference networks aided by multiple amplify-and-forward (AF) relays in the presence of direct links is considered. The objective is to minimize the sum power of transmitters and relays by…

Signal Processing · Electrical Eng. & Systems 2018-12-31 Cenk M. Yetis , Ronald Y. Chang

We tackle the problem of joint frequency and power allocation while emphasizing the generalization capability of a deep reinforcement learning model. Most of the existing methods solve reinforcement learning-based wireless problems for a…

Networking and Internet Architecture · Computer Science 2023-05-09 Swatantra Kafle , Jithin Jagannath , Zackary Kane , Noor Biswas , Prem Sagar Vasanth Kumar , Anu Jagannath

The use of directly modulated lasers (DMLs) is attractive in low-power, cost-constrained short-reach optical links. However, their limited modulation bandwidth can induce waveform distortion, undermining their data throughput. Traditional…

Signal Processing · Electrical Eng. & Systems 2024-06-21 Sergio Hernandez F. , Christophe Peucheret , Francesco Da Ros , Darko Zibar

The conversion between amplitude modulation and phase modulation as a modulated signal goes thrugh a filter is analyzed. The difference in how the modulated sideband ampitude experience the filter, and how AM and PM has opposite signs for…

Signal Processing · Electrical Eng. & Systems 2018-05-21 Magnus Danielson

Distributed transmit beamforming is a technique that adjusts the signals from cooperating radios to combine coherently at a destination radio. To achieve coherent combining, the radios can exchange preambles with the destination for…

Signal Processing · Electrical Eng. & Systems 2022-05-11 Samer Hanna , Danijela Cabric

Integrated sensing and communication (ISAC) is emerging as a pivotal technology for next-generation wireless networks. However, existing ISAC systems are based on fixed-position antennas (FPAs), which inevitably incur a loss in performance…

Information Theory · Computer Science 2025-07-14 Jingze Ding , Zijian Zhou , Xiaodan Shao , Bingli Jiao , Rui Zhang

This paper discusses an Enhanced Model-Agnostic Meta-Learning (E-MAML) algorithm that generates fast convergence of the policy function from a small number of training examples when applied to new learning tasks. Built on top of…

Machine Learning · Computer Science 2020-12-14 Ibrahim Ahmed , Marcos Quinones-Grueiro , Gautam Biswas

Enhanced Raman scattering can be obtained by injecting a seeded light field which is correlated with the initially prepared collective atomic excitation. This Raman amplification process can be used to realize atom-light hybrid…

Quantum Physics · Physics 2016-08-24 Zhao-Dan Chen , Chun-Hua Yuan , Hong-Mei Ma , Dong Li , L. Q. Chen , Z. Y. Ou , Weiping Zhang

This paper studies a distributed policy gradient in collaborative multi-agent reinforcement learning (MARL), where agents over a communication network aim to find the optimal policy to maximize the average of all agents' local returns. Due…

Multiagent Systems · Computer Science 2022-12-06 Xiaoxiao Zhao , Jinlong Lei , Li Li , Jie Chen

In multi-agent learning, the predominant approach focuses on generalization, often neglecting the optimization of individual agents. This emphasis on generalization limits the ability of agents to utilize their unique strengths, resulting…

Machine Learning · Computer Science 2024-10-04 Stefan Juang , Hugh Cao , Arielle Zhou , Ruochen Liu , Nevin L. Zhang , Elvis Liu

The optimization of electrical circuits is a difficult and time-consuming process performed by experts, but also increasingly by sophisticated algorithms. In this paper, a reinforcement learning (RL) approach is adapted to optimize a LLC…

Machine Learning · Computer Science 2023-03-02 Georg Kruse , Dominik Happel , Stefan Ditze , Stefan Ehrlich , Andreas Rosskopf

Restricted Boltzmann Machines (RBMs) offer a versatile architecture for unsupervised machine learning that can in principle approximate any target probability distribution with arbitrary accuracy. However, the RBM model is usually not…

Machine Learning · Computer Science 2022-09-27 Lennart Dabelow , Masahito Ueda

This paper investigates an over-the-air federated learning (OTA-FL) system that employs fluid antennas (FAs) at an access point. The system enhances learning performance by leveraging the additional degrees of freedom provided by antenna…

Signal Processing · Electrical Eng. & Systems 2025-02-04 Mohsen Ahmadzadeh , Saeid Pakravan , Ghosheh Abed Hodtani , Ming Zeng , Jean-Yves Chouinard , Leslie A. Rusch

This paper studies the performance of single-input multiple-output (SIMO) systems under receive antenna selection (RAS) and BPSK/QPSK modulations. At the receiver, a subset of branches are selected and combined using maximal-ratio combining…

Signal Processing · Electrical Eng. & Systems 2019-07-16 Chongjun Ouyang , Zeliang Ou , Pei Yang , Lu Zhang , Hongwen Yang , Xin Zhang
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