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In this paper, we propose two low-complexity optimization methods to reduce peak-to-average power ratio (PAPR) values of orthogonal frequency division multiplexing (OFDM) signals via alternating direction method of multipliers (ADMM).…

Signal Processing · Electrical Eng. & Systems 2018-12-26 Yongchao Wang , Yanjiao Wang , Qingjiang Shi

In this work we present a method to improve the pruning step of the current state-of-the-art methodology to compress neural networks. The novelty of the proposed pruning technique is in its differentiability, which allows pruning to be…

Computer Vision and Pattern Recognition · Computer Science 2019-01-08 Franco Manessi , Alessandro Rozza , Simone Bianco , Paolo Napoletano , Raimondo Schettini

In this paper, we propose a trainable least squares (LS) approach for reducing the peak-to-average power ratio (PAPR) of orthogonal frequency division multiplexing (OFDM) signals in a hybrid beamforming (HBF) system. Compared to digital…

Other Computer Science · Computer Science 2024-04-04 Andrey Ivanov , Alexander Osinsky , Roman Bychkov , Vladimir Kalinin , Dmitry Lakontsev

Orthogonal frequency-division multiplexing (OFDM) is widely used in modern wireless networks thanks to its efficient handling of multipath environment. However, it suffers from a poor peak-to-average power ratio (PAPR) which requires a…

Information Theory · Computer Science 2021-07-01 Mathieu Goutay , Fayçal Ait Aoudia , Jakob Hoydis , Jean-Marie Gorce

Weight pruning is a powerful technique to realize model compression. We propose PCNN, a fine-grained regular 1D pruning method. A novel index format called Sparsity Pattern Mask (SPM) is presented to encode the sparsity in PCNN. Leveraging…

Machine Learning · Computer Science 2020-06-16 Zhanhong Tan , Jiebo Song , Xiaolong Ma , Sia-Huat Tan , Hongyang Chen , Yuanqing Miao , Yifu Wu , Shaokai Ye , Yanzhi Wang , Dehui Li , Kaisheng Ma

The large untapped spectrum in sub-THz allows for ultra-high throughput communication to realize many seemingly impossible applications in 6G. Phase noise (PN) is one key hardware impairment, which is accentuated as we increase the…

Signal Processing · Electrical Eng. & Systems 2024-06-28 Dileepa Marasinghe , Le Hang Nguyen , Jafar Mohammadi , Yejian Chen , Thorsten Wild , Nandana Rajatheva

In this paper, code pairs based on trellis coded modulation are proposed over PSK signal sets for a two-user Gaussian multiple access channel. In order to provide unique decodability property to the receiver and to maximally enlarge the…

Information Theory · Computer Science 2009-08-11 J. Harshan , B. Sundar Rajan

Neural network pruning is a popular model compression method which can significantly reduce the computing cost with negligible loss of accuracy. Recently, filters are often pruned directly by designing proper criteria or using auxiliary…

Neural and Evolutionary Computing · Computer Science 2022-05-10 Haopu Shang , Jia-Liang Wu , Wenjing Hong , Chao Qian

This letter presents an improved peak cancellation (PC) scheme for peak-to-average power ratio (PAPR) reduction in orthogonal frequency division multiplexing (OFDM) systems. The main idea is based on a serial peak cancellation (SPC) mode…

Information Theory · Computer Science 2011-01-13 Lilin Dan , Yue Xiao , Wei NI , Shaoqian Li

To reduce computational overhead while maintaining model performance, model pruning techniques have been proposed. Among these, structured pruning, which removes entire convolutional channels or layers, significantly enhances computational…

Computer Vision and Pattern Recognition · Computer Science 2024-11-21 Qingsong Lv , Jiasheng Sun , Sheng Zhou , Xu Zhang , Liangcheng Li , Yun Gao , Sun Qiao , Jie Song , Jiajun Bu

To solve ever more complex problems, Deep Neural Networks are scaled to billions of parameters, leading to huge computational costs. An effective approach to reduce computational requirements and increase efficiency is to prune unnecessary…

Wideband spectrum sensing (WSS) is critical for orchestrating multitudinous wireless transmissions via spectrum sharing, but may incur excessive costs of hardware, power and computation due to the high sampling rate. In this article, a deep…

Signal Processing · Electrical Eng. & Systems 2024-12-03 Peihao Dong , Jibin Jia , Shen Gao , Fuhui Zhou , Qihui Wu

Probabilistic amplitude shaping (PAS) is on track to become the de facto coded modulation standard for communication systems aiming to operate close to channel capacity at high transmission rates. The essential component of PAS that breeds…

Information Theory · Computer Science 2022-08-16 Yunus Can Gültekin , Frans M. J. Willems , Alex Alvarado

Structured pruning compresses neural networks by reducing channels (filters) for fast inference and low footprint at run-time. To restore accuracy after pruning, fine-tuning is usually applied to pruned networks. However, too few remaining…

Computer Vision and Pattern Recognition · Computer Science 2024-01-01 Yu Qian , Jian Cao , Xiaoshuang Li , Jie Zhang , Hufei Li , Jue Chen

Convolutional Neural Network (CNN) is more and more widely used in various fileds, and its computation and memory-demand are also increasing significantly. In order to make it applicable to limited conditions such as embedded application,…

Computer Vision and Pattern Recognition · Computer Science 2022-11-01 Jiayi Yao , Ping Li , Xiatao Kang , Yuzhe Wang

Acceleration of convolutional neural network has received increasing attention during the past several years. Among various acceleration techniques, filter pruning has its inherent merit by effectively reducing the number of convolution…

Computer Vision and Pattern Recognition · Computer Science 2019-06-19 Dong Wang , Lei Zhou , Xiao Bai , Jun Zhou

Filter pruning is one of the most effective ways to accelerate and compress convolutional neural networks (CNNs). In this work, we propose a global filter pruning algorithm called Gate Decorator, which transforms a vanilla CNN module by…

Computer Vision and Pattern Recognition · Computer Science 2019-09-19 Zhonghui You , Kun Yan , Jinmian Ye , Meng Ma , Ping Wang

Trellis decoders are a general decoding technique first applied to qubit-based quantum error correction codes by Ollivier and Tillich in 2006. Here we improve the scalability and practicality of their theory, show that it has strong…

Quantum Physics · Physics 2022-01-19 Eric Sabo , Arun B. Aloshious , Kenneth R. Brown

Pruning has become a very powerful and effective technique to compress and accelerate modern neural networks. Existing pruning methods can be grouped into two categories: filter pruning (FP) and weight pruning (WP). FP wins at hardware…

Computer Vision and Pattern Recognition · Computer Science 2020-12-10 Fanxu Meng , Hao Cheng , Ke Li , Huixiang Luo , Xiaowei Guo , Guangming Lu , Xing Sun

We develop a fast, tractable technique called Net-Trim for simplifying a trained neural network. The method is a convex post-processing module, which prunes (sparsifies) a trained network layer by layer, while preserving the internal…

Machine Learning · Computer Science 2019-02-27 Alireza Aghasi , Afshin Abdi , Justin Romberg