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Neural network pruning is a widely used strategy for reducing model storage and computing requirements. It allows to lower the complexity of the network by introducing sparsity in the weights. Because taking advantage of sparse matrices is…

计算机视觉与模式识别 · 计算机科学 2022-03-14 Nathan Hubens , Matei Mancas , Bernard Gosselin , Marius Preda , Titus Zaharia

This paper is concerned with the performance improvement of PAPR reduction of orthogonal frequency division multiplexing (OFDM) signal using amplitude clipping & filtering based design. Note that OFDM is one of the well adept multi-carrier…

信息论 · 计算机科学 2015-06-26 Snikdho Sworov Haque , Md. Munjure Mowla

In tone reservation (TR) based OFDM systems, the peak to average power ratio (PAPR) reduction performance mainly depends on the selection of the peak reduction tone (PRT) set and the optimal target clipping level. Finding the optimal PRT…

信号处理 · 电气工程与系统科学 2020-03-16 Yajun Wang , Wen Chen , Chintha Tellambura

Consider a problem of forward error-correction for the additive white Gaussian noise (AWGN) channel. For finite blocklength codes the backoff from the channel capacity is inversely proportional to the square root of the blocklength. In this…

信息论 · 计算机科学 2014-08-12 Yury Polyanskiy , Yihong Wu

To reduce peak-to-average power ratio, we propose a method to choose a suitable vector for a partial transmit sequence technique. With a conventional method for this technique, we have to choose a suitable vector from a large amount of…

信息论 · 计算机科学 2018-06-06 Hirofumi Tsuda , Ken Umeno

This paper proposes a tuning methodology for proportional resonant (PR) controllers by using the design philosophy of the Ziegler-Nichols forced oscillation method. Unlike such related methods that are usual for PID design, and those that…

信号处理 · 电气工程与系统科学 2018-07-18 Charles Lorenzini , Luís Fernando Alves Pereira , Alexandre Sanfelice Bazanella

Many recent works have shown trainability plays a central role in neural network pruning -- unattended broken trainability can lead to severe under-performance and unintentionally amplify the effect of retraining learning rate, resulting in…

机器学习 · 计算机科学 2023-03-06 Huan Wang , Yun Fu

The deployment of Convolutional Neural Networks (CNNs) on resource constrained platforms such as mobile devices and embedded systems has been greatly hindered by their high implementation cost, and thus motivated a lot research interest in…

计算机视觉与模式识别 · 计算机科学 2019-08-12 Boyu Zhang , Azadeh Davoodi , Yu Hen Hu

This paper focuses on the performance analysis of a class of limited peak-to-average power ratio (PAPR) precoders for downlink multi-user massive multiple-input multiple-output (MIMO) systems. Contrary to conventional precoding approaches…

信号处理 · 电气工程与系统科学 2022-12-14 Xiuxiu Ma , Abla Kammoun , Ayed M. Alrashdi , Tarig Ballal , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

Mixed-numerology transmission is proposed to support a variety of communication scenarios with diverse requirements. However, as the orthogonal frequency division multiplexing (OFDM) remains as the basic waveform, the peak-to average power…

信号处理 · 电气工程与系统科学 2019-11-06 Xiaoran Liu , Xiaoying Zhang , Lei Zhang , Pei Xiao , Jibo Wei , Haijun Zhang , Victor C. M. Leung

A new work has been proposed in this paper in order to overcome one of the main drawbacks that found in the Orthogonal Frequency Division Multiplex (OFDM) systems, namely Peak to Average Power Ratio (PAPR). Furthermore, this work will be…

信息论 · 计算机科学 2016-09-07 Q. J. Hamarsheh , O. R. Daoud , M. M. Ali , A. A. Damati

The recent trend toward increasingly deep convolutional neural networks (CNNs) leads to a higher demand of computational power and memory storage. Consequently, the deployment of CNNs in hardware has become more challenging. In this paper,…

计算机视觉与模式识别 · 计算机科学 2018-03-19 Maurice Yang , Mahmoud Faraj , Assem Hussein , Vincent Gaudet

One of the major drawbacks of orthogonal frequency division multiplexing (OFDM) signals is the high peak to average power ratio (PAPR) of the transmitted signal. Many PAPR reduction techniques have been proposed in the literature, among…

信号处理 · 电气工程与系统科学 2020-03-16 Yajun Wang , Wen Chen , Chintha Tellambura

Filters are the essential elements in convolutional neural networks (CNNs). Filters are corresponded to the feature maps and form the main part of the computational and memory requirement for the CNN processing. In filter pruning methods, a…

计算机视觉与模式识别 · 计算机科学 2020-02-11 Morteza Mousa-Pasandi , Mohsen Hajabdollahi , Nader Karimi , Shadrokh Samavi , Shahram Shirani

Artificial neural networks (ANNs) especially deep convolutional networks are very popular these days and have been proved to successfully offer quite reliable solutions to many vision problems. However, the use of deep neural networks is…

机器学习 · 计算机科学 2020-07-28 Yangzi Guo , Yiyuan She , Adrian Barbu

Post-training quantization (PTQ) reduces the memory footprint of LLMs by quantizing weights to low-precision datatypes. Since LLM inference is usually memory-bound, PTQ methods can improve inference throughput. Recent state-of-the-art PTQ…

机器学习 · 计算机科学 2025-06-19 Albert Tseng , Qingyao Sun , David Hou , Christopher De Sa

Network pruning reduces the size of neural networks by removing (pruning) neurons such that the performance drop is minimal. Traditional pruning approaches focus on designing metrics to quantify the usefulness of a neuron which is often…

计算机视觉与模式识别 · 计算机科学 2021-11-01 Shehryar Malik , Muhammad Umair Haider , Omer Iqbal , Murtaza Taj

Adapters are widely popular parameter-efficient transfer learning approaches in natural language processing that insert trainable modules in between layers of a pre-trained language model. Apart from several heuristics, however, there has…

计算与语言 · 计算机科学 2023-10-31 Rishabh Bhardwaj , Tushar Vaidya , Soujanya Poria

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…

Convolution neural networks (CNNs) have shown great success in various applications. However, the computational complexity and memory storage of CNNs is a bottleneck for their deployment on resource-constrained devices. Recent efforts…

计算机视觉与模式识别 · 计算机科学 2022-11-01 Arshdeep Singh , Mark D. Plumbley