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Imperfect channel state information (CSI) at the receiver, which is due to channel estimation error, is one of the main problems toward achieving optimum detection. This paper presents a deep learning based structure for combating this…

信号处理 · 电气工程与系统科学 2019-09-25 M. A. Amirabadi

A general form of codebook design for code-domain non-orthogonal multiple access (CD-NOMA) can be considered equivalent to an autoencoder (AE)-based constellation design for multi-user multidimensional modulation (MU-MDM). Due to a…

信息论 · 计算机科学 2021-10-12 Minsig Han , Hanchang Seo , Ameha Tsegaye Abebe , Chung G. Kang

Integrated sensing and communication (ISAC) base stations can provide communication and wide range sensing information for vehicles via downlink (DL) transmission, thus enhancing vehicle driving safety. One major challenge for realizing…

性能 · 计算机科学 2023-10-13 Wangjun Jiang , Zhiqing Wei , Fan Liu , Zhiyong Feng , Ping Zhang

Inspired by the recent success of deep learning in multiscale information encoding, we introduce a variational autoencoder (VAE) based semi-supervised method for detection of faulty traffic data, which is cast as a classification problem.…

机器学习 · 计算机科学 2022-12-29 Yongcan Huang , Jidong J. Yang

This paper considers linear precoding for constant channel-coefficient $K$-User MIMO Gaussian Interference Channel (MIMO GIC) where each transmitter-$i$ (Tx-$i$), requires to send $d_i$ independent complex symbols per channel use that take…

信息论 · 计算机科学 2013-07-23 Abhinav Ganesan , B. Sundar Rajan

Deep learning (DL) based autoencoder has shown great potential to significantly enhance the physical layer performance. In this paper, we present a DL based autoencoder for interference channel. Based on a characterization of a k-user…

机器学习 · 计算机科学 2019-12-18 Dehao Wu , Maziar Nekovee , Yue Wang

Given the complex geometry of white matter streamlines, Autoencoders have been proposed as a dimension-reduction tool to simplify the analysis streamlines in a low-dimensional latent spaces. However, despite these recent successes, the…

机器学习 · 统计学 2023-11-21 Andrew Lizarraga , Brandon Taraku , Edouardo Honig , Ying Nian Wu , Shantanu H. Joshi

Deep autoencoder (DAE) frameworks have demonstrated their effectiveness in reducing channel state information (CSI) feedback overhead in massive multiple-input multiple-output (mMIMO) orthogonal frequency division multiplexing (OFDM)…

机器学习 · 计算机科学 2025-11-26 Guijun Liu , Yuwen Cao , Tomoaki Ohtsuki , Jiguang He , Shahid Mumtaz

We show that compact fully connected (FC) deep learning networks trained to classify wireless protocols using a hierarchy of multiple denoising autoencoders (AEs) outperform reference FC networks trained in a typical way, i.e., with a…

网络与互联网体系结构 · 计算机科学 2019-04-29 Silvija Kokalj-Filipovic , Rob Miller , Joshua Morman

This work examines the use of two-way training to efficiently discriminate the channel estimation performances at a legitimate receiver (LR) and an unauthorized receiver (UR) in a multiple-input multiple-output (MIMO) wireless system. This…

信息论 · 计算机科学 2015-06-12 Chao-Wei Huang , Tsung-Hui Chang , Xiangyun Zhou , Y. -W. Peter Hong

Differential distributed space-time coding (D-DSTC) is a cooperative transmission technique that can improve diversity in wireless relay networks in the absence of channel information. Conventionally, it is assumed that channels are…

信息论 · 计算机科学 2014-11-18 M. R. Avendi , Hamid Jafarkhani

Autoencoder (AEC) networks have recently emerged as a promising approach to perform unsupervised hyperspectral unmixing (HU) by associating the latent representations with the abundances, the decoder with the mixing model and the encoder…

信号处理 · 电气工程与系统科学 2022-02-16 Haoqing Li , Ricardo Augusto Borsoi , Tales Imbiriba , Pau Closas , José Carlos Moreira Bermudez , Deniz Erdoğmuş

In recent times, there has been considerable interest in fault detection within electrical power systems, garnering attention from both academic researchers and industry professionals. Despite the development of numerous fault detection…

系统与控制 · 电气工程与系统科学 2026-02-17 Sidharthenee Nayak , Victor Sam Moses Babu , Chandrashekhar Narayan Bhende , Pratyush Chakraborty , Mayukha Pal

An autoencoder-based codec employs quantization to turn its bottleneck layer activation into bitstrings, a process that hinders information flow between the encoder and decoder parts. To circumvent this issue, we employ additional skip…

音频与语音处理 · 电气工程与系统科学 2021-07-26 Darius Petermann , Seungkwon Beack , Minje Kim

To improve the accuracy of direction-of-arrival (DOA) estimation, a deep learning (DL)-based method called CDAE-DNN is proposed for hybrid analog and digital (HAD) massive MIMO receive array with overlapped subarray (OSA) architecture in…

信号处理 · 电气工程与系统科学 2022-09-13 Yifan Li , Baihua Shi , Feng Shu , Yaoliang Song , Jiangzhou Wang

In industry, machine anomalous sound detection (ASD) is in great demand. However, collecting enough abnormal samples is difficult due to the high cost, which boosts the rapid development of unsupervised ASD algorithms. Autoencoder (AE)…

声音 · 计算机科学 2023-11-16 Yifan Zhou , Dongxing Xu , Haoran Wei , Yanhua Long

Waveforms with ideal ambiguity functions are fundamental to integrated sensing and communication, to active sensing (radar), and to uplink multiple access. We describe a general method of constructing waveforms using the discrete Zak…

信号处理 · 电气工程与系统科学 2025-04-01 Nishant Mehrotra , Sandesh Rao Mattu , Robert Calderbank

In an aerial hybrid massive multiple-input multiple-output (MIMO) and orthogonal frequency division multiplexing (OFDM) system, how to design a spectral-efficient broadband multi-user hybrid beamforming with a limited pilot and feedback…

信号处理 · 电气工程与系统科学 2022-09-12 Zhen Gao , Minghui Wu , Chun Hu , Feifei Gao , Guanghui Wen , Dezhi Zheng , Jun Zhang

Recent works have shown that modern machine learning techniques can provide an alternative approach to the long-standing joint source-channel coding (JSCC) problem. Very promising initial results, superior to popular digital schemes that…

图像与视频处理 · 电气工程与系统科学 2022-06-17 Tze-Yang Tung , David Burth Kurka , Mikolaj Jankowski , Deniz Gunduz

Nonlinear precoding and pulse shaping are jointly considered in multi-user massive multiple-input multiple-output (MIMO) systems with low-resolution D/A-converters (DACs) in terms of algorithmic approach as well as large system performance.…

信息论 · 计算机科学 2021-06-29 Amine Mezghani , Robert W. Heath