中文
相关论文

相关论文: Genetic Algorithm Based Nearly Optimal Peak Reduct…

200 篇论文

This paper introduces the architecture of a convolutional autoencoder (CAE) for the task of peak-to-average power ratio (PAPR) reduction and waveform design, for orthogonal frequency division multiplexing (OFDM) systems. The proposed…

系统与控制 · 电气工程与系统科学 2020-11-13 Yara Huleihel , Eilam Ben-Dror , Haim H. Permuter

Parameter-Efficient Fine-Tuning (PEFT) has become a key strategy for adapting large language models, with recent advances in sparse tuning reducing overhead by selectively updating key parameters or subsets of data. Existing approaches…

机器学习 · 计算机科学 2026-03-11 Kai Yao , Zhenghan Song , Kaixin Wu , Mingjie Zhong , Danzhao Cheng , Zhaorui Tan , Yixin Ji , Penglei Gao

The mitigation of nonlinear distortion caused by power amplifiers (PA) in Orthogonal Frequency Division Multiplexing (OFDM) systems is an essential issue to enable energy efficient operation. In this work we proposed a new algorithm for…

信息论 · 计算机科学 2015-07-02 Wasim Amjad , Javier García , Jawad Munir , Amine Mezghani , Josef A. Nossek

This paper concerns applications of genetic algorithms and genetic programming to tasks for which it is difficult to find a representation that does not map to a highly complex and discontinuous fitness landscape. In such cases the standard…

神经与进化计算 · 计算机科学 2016-05-06 Michal Gregor , Juraj Spalek

Recent studies on transfer learning have shown that selectively fine-tuning a subset of layers or customizing different learning rates for each layer can greatly improve robustness to out-of-distribution (OOD) data and retain generalization…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Junjiao Tian , Xiaoliang Dai , Chih-Yao Ma , Zecheng He , Yen-Cheng Liu , Zsolt Kira

The classification of imbalanced data has presented a significant challenge for most well-known classification algorithms that were often designed for data with relatively balanced class distributions. Nevertheless skewed class distribution…

机器学习 · 统计学 2023-04-21 Jiaju Miao , Wei Zhu

Top-down induction of decision trees has been observed to suffer from the inadequate functioning of the pruning phase. In particular, it is known that the size of the resulting tree grows linearly with the sample size, even though the…

人工智能 · 计算机科学 2011-06-06 T. Elomaa , M. Kaariainen

Predicting the cheapest sample size for the optimal stratification in multivariate survey design is a problem in cases where the population frame is large. A solution exists that iteratively searches for the minimum sample size necessary to…

统计方法学 · 统计学 2018-06-18 Mervyn O'Luing , Steven Prestwich , S. Armagan Tarim

In this paper, we show bounds on Peak-to-Average Power Ratio (PAPR) and propose a method to reduce PAPR. These bounds are written in terms of moments of transmitted symbols. Further, we show some bounds in special cases and these special…

信息论 · 计算机科学 2019-09-17 Hirofumi Tsuda

Orthogonal Frequency Division Multiplexing (OFDM) is widely used in many digital communication systems due to its advantages such us high bit rate, strong immunity to multipath and high spectral efficiency but it suffers a high…

信息论 · 计算机科学 2015-03-31 Martha C. Paredes Paredes , M. Julia Fernández-Getino García

In probably approximately correct (PAC) reinforcement learning (RL), an agent is required to identify an $\epsilon$-optimal policy with probability $1-\delta$. While minimax optimal algorithms exist for this problem, its instance-dependent…

机器学习 · 计算机科学 2022-10-25 Andrea Tirinzoni , Aymen Al-Marjani , Emilie Kaufmann

The orthogonal frequency division multiplexing is a very efficient modulation technique that can achieve very high throughput by transmitting many carriers simultaneously and it is spectrally efficient because of the proximity of the…

信号处理 · 电气工程与系统科学 2022-06-07 Usha S. M , Mahesh H. B

Full fine-tuning of large language models for alignment and task adaptation has become prohibitively expensive as models have grown in size. Parameter-Efficient Fine-Tuning (PEFT) methods aim at significantly reducing the computational and…

计算与语言 · 计算机科学 2025-09-22 Jesus Rios , Pierre Dognin , Ronny Luss , Karthikeyan N. Ramamurthy

This paper presents an automated method for optimizing parameters in analog/high-frequency circuits, aiming to maximize performance parameters of a radio-frequency (RF) receiver. The design target includes a reduction of power consumption…

神经与进化计算 · 计算机科学 2024-03-28 Mingi Kwon , Yeonjun Lee , Ickhyun Song

To enable DNNs on edge devices like mobile phones, low-rank approximation has been widely adopted because of its solid theoretical rationale and efficient implementations. Several previous works attempted to directly approximate a…

机器学习 · 计算机科学 2020-05-01 Yuhui Xu , Yuxi Li , Shuai Zhang , Wei Wen , Botao Wang , Yingyong Qi , Yiran Chen , Weiyao Lin , Hongkai Xiong

To facilitate efficient learning, policy gradient approaches to deep reinforcement learning (RL) are typically paired with variance reduction measures and strategies for making large but safe policy changes based on a batch of experiences.…

机器学习 · 计算机科学 2023-11-13 Jared Markowitz , Edward W. Staley

High peak-to-average power ratio (PAPR) is one of the main factors limiting cell coverage for cellular systems, especially in the uplink direction. Discrete Fourier transform spread orthogonal frequency-domain multiplexing (DFT-s-OFDM) with…

To reduce the manpower consumption on box-level annotations, many weakly supervised object detection methods which only require image-level annotations, have been proposed recently. The training process in these methods is formulated into…

计算机视觉与模式识别 · 计算机科学 2021-01-21 Ruibing Jin , Guosheng Lin , Changyun Wen

In this paper, the probability distribution of the peak to average power ratio (PAPR) is analyzed for the mixed numerologies transmission based on orthogonal frequency division multiplexing (OFDM). State of the art theoretical analysis…

信号处理 · 电气工程与系统科学 2019-11-26 Xiaoran Liu , Lei Zhang , Jun Xiong , Xiaoying Zhang , Li Zhou , Jibo Wei

This paper presents the design a Proportional-Integral-Derivative (PID) controller with optimized parameters for a two-degree-of-freedom robotic arm. A genetic algorithm (GA) is proposed to optimize the controller parameters, addressing the…

系统与控制 · 电气工程与系统科学 2025-01-10 Vu Ngoc Son , Pham Van Cuong , Nguyen Duy Minh , Phi Hoang Nha