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相关论文: Walsh-domain Neural Network for Power Amplifier Be…

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In this paper, new digital predistortion (DPD) solutions for power amplifier (PA) linearization are proposed, with particular emphasis on reduced processing complexity in future 5G and beyond wideband radio systems. The first proposed…

信号处理 · 电气工程与系统科学 2020-07-03 Pablo Pascual Campo , Alberto Brihuega , Lauri Anttila , Matias Turunen , Dani Korpi , Markus Allén , Mikko Valkama

With the rise in communication capacity, deep neural networks (DNN) for digital pre-distortion (DPD) to correct non-linearity in wideband power amplifiers (PAs) have become prominent. Yet, there is a void in open-source and…

机器学习 · 计算机科学 2024-09-04 Yizhuo Wu , Gagan Deep Singh , Mohammadreza Beikmirza , Leo C. N. de Vreede , Morteza Alavi , Chang Gao

In massive MIMO base stations, power consumption and cost of the low-noise amplifiers (LNAs) can be substantial because of the many antennas. We investigate the feasibility of inexpensive, power efficient LNAs, which inherently are less…

信息论 · 计算机科学 2018-06-21 Christopher Mollén , Ulf Gustavsson , Thomas Eriksson , Erik G. Larsson

We present a novel Deep Neural Network (DNN) architecture for non-linear system identification. We foster generalization by constraining DNN representational power. To do so, inspired by fading memory systems, we introduce inductive bias…

机器学习 · 计算机科学 2021-06-08 Luca Zancato , Alessandro Chiuso

While Graph Neural Networks (GNNs) are popular in the deep learning community, they suffer from several challenges including over-smoothing, over-squashing, and gradient vanishing. Recently, a series of models have attempted to relieve…

机器学习 · 计算机科学 2022-11-18 Junxiang Wang , Hongyi Li , Zheng Chai , Yongchao Wang , Yue Cheng , Liang Zhao

Despite the intensive recent research on wireless single-channel full-duplex communications, relatively little is known about the transceiver chain nonidealities of full-duplex devices. In this paper, the effect of nonlinear distortion…

信息论 · 计算机科学 2014-08-05 Dani Korpi , Taneli Riihonen , Ville Syrjälä , Lauri Anttila , Mikko Valkama , Risto Wichman

Neural networks (NNs) inspired by the forward-backward algorithm (FBA) are used as equalizers for bandlimited channels with a memoryless nonlinearity. The NN-equalizers are combined with successive interference cancellation (SIC) to…

With the rise of artificial intelligence in recent years, Deep Neural Networks (DNNs) have been widely used in many domains. To achieve high performance and energy efficiency, hardware acceleration (especially inference) of DNNs is…

分布式、并行与集群计算 · 计算机科学 2020-01-17 Linghao Song , Jiachen Mao , Youwei Zhuo , Xuehai Qian , Hai Li , Yiran Chen

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…

信号处理 · 电气工程与系统科学 2024-06-28 Dileepa Marasinghe , Le Hang Nguyen , Jafar Mohammadi , Yejian Chen , Thorsten Wild , Nandana Rajatheva

With the wide and deep adoption of deep learning models in real applications, there is an increasing need to model and learn the representations of the neural networks themselves. These models can be used to estimate attributes of different…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Yun Yi , Haokui Zhang , Wenze Hu , Nannan Wang , Xiaoyu Wang

Neural Networks (NNs) are steering a new generation of artificial intelligence (AI) applications at the micro-edge. Examples include wireless sensors, wearables and cybernetic systems that collect data and process them to support real-world…

信号处理 · 电气工程与系统科学 2021-03-17 Sergey Mileiko , Thanasin Bunnam , Fei Xia , Rishad Shafik , Alex Yakovlev , Shidhartha Das

Distillation is a unit operation with multiple input parameters and multiple output parameters. It is characterized by multiple variables, coupling between input parameters, and non-linear relationship with output parameters. Therefore, it…

化学物理 · 物理学 2021-07-30 Chunli Li , Chunyu Wang

Nowadays computational complexity of fast walsh hadamard transform and nonlinearity for Boolean functions and large substitution boxes is a major challenge of modern cryptography research on strengthening encryption schemes against linear…

密码学与安全 · 计算机科学 2020-04-27 Behrooz Khadem , Reza Ghasemi

This paper studies the approximation capabilities of neural networks that combine layer normalization (LN) with linear layers. We prove that networks consisting of two linear layers with parallel layer normalizations (PLNs) inserted between…

机器学习 · 计算机科学 2026-02-10 Yunhao Ni , Yuxin Guo , Yuhe Liu , Wenxin Sun , Jie Luo , Wenjun Wu , Lei Huang

Variational inference offers scalable and flexible tools to tackle intractable Bayesian inference of modern statistical models like Bayesian neural networks and Gaussian processes. For largely over-parameterized models, however, the…

机器学习 · 统计学 2019-12-03 Simone Rossi , Sebastien Marmin , Maurizio Filippone

Primary motivation for this work was the need to implement hardware accelerators for a newly proposed ANN structure called Auto Resonance Network (ARN) for robotic motion planning. ARN is an approximating feed-forward hierarchical and…

神经与进化计算 · 计算机科学 2024-02-02 Shilpa Mayannavar , Uday Wali

In this paper, we develop a framework to investigate the performances of different hybrid beamforming architectures for massive multiple input multiple output (MIMO) systems impaired by power amplifier (PA) nonlinearities. Indirect learning…

信息论 · 计算机科学 2021-03-01 Murat Babek Salman , Gokhan Muzaffer Guvensen

In the mid-second decade of new millennium, the development of IT has reached unprecedented new heights. As one derivative of Moore's law, the operating system evolves from the initial 16 bits, 32 bits, to the ultimate 64 bits. Most modern…

分布式、并行与集群计算 · 计算机科学 2017-09-21 Yi Lu

We propose a new integrated method of exploiting model, batch and domain parallelism for the training of deep neural networks (DNNs) on large distributed-memory computers using minibatch stochastic gradient descent (SGD). Our goal is to…

机器学习 · 计算机科学 2018-05-17 Amir Gholami , Ariful Azad , Peter Jin , Kurt Keutzer , Aydin Buluc

Over-parameterized models, such as DeepNets and ConvNets, form a class of models that are routinely adopted in a wide variety of applications, and for which Bayesian inference is desirable but extremely challenging. Variational inference…

机器学习 · 统计学 2020-11-24 Simone Rossi , Sebastien Marmin , Maurizio Filippone