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We develop an end-to-end deep learning framework for downlink beamforming in large-scale sparse MIMO channels. The core is a deep EDN architecture with three modules: (i) an encoder NN, deployed at each user end, that compresses estimated…

Systems and Control · Electrical Eng. & Systems 2025-10-06 Yubo Zhang , Jeremy Johnston , Xiaodong Wang

Deep neural networks (NNs) have exhibited considerable potential for efficiently balancing the performance and complexity of multiple-input and multiple-output (MIMO) detectors. We propose a receiver framework that enables efficient online…

Signal Processing · Electrical Eng. & Systems 2020-12-09 Jing Zhang , Yunfeng He , Yu-Wen Li , Chao-Kai Wen , Shi Jin

Stack autoencoder (SAE), as a representative deep network, has unique and excellent performance in feature learning, and has received extensive attention from researchers. However, existing deep SAEs focus on original samples without…

Machine Learning · Computer Science 2022-10-28 Chuanyan Zhou , Jie Ma , Fan Li , Yongming Li , Pin Wang , Xiaoheng Zhang

We investigate the application of non-orthogonal multiple access (NOMA) with successive interference cancellation (SIC) in downlink multiuser multiple-input multiple-output (MIMO) cellular systems, where the total number of receive antennas…

Information Theory · Computer Science 2016-11-23 Md Shipon Ali , Ekram Hossain , Dong In Kim

In this work, we address the problem of finding globally optimal power allocation strategies to maximize the users sum-rate (SR) as well as system energy efficiency (EE) in the downlink of single-cell multicarrier non-orthogonal multiple…

Information Theory · Computer Science 2022-01-19 Sepehr Rezvani , Eduard A. Jorswieck , Roghayeh Joda , Halim Yanikomeroglu

We extend the idea of end-to-end learning of communications systems through deep neural network (NN)-based autoencoders to orthogonal frequency division multiplexing (OFDM) with cyclic prefix (CP). Our implementation has the same benefits…

Information Theory · Computer Science 2018-03-16 Alexander Felix , Sebastian Cammerer , Sebastian Dörner , Jakob Hoydis , Stephan ten Brink

This letter investigates computation offloading and transmit precoding co-design for multi-access edge computing (MEC), where multiple MEC users (MUs) equipped with multiple antennas access the MEC server in a non-orthogonal multiple access…

Information Theory · Computer Science 2023-11-08 Deyou Zhang , Meng Wang , Shuo Shi , Ming Xiao

A novel signaling design for secure transmission over two-user multiple-input multiple-output non-orthogonal multiple access channel using deep neural networks (DNNs) is proposed. The goal of the DNN is to form the covariance matrix of…

Information Theory · Computer Science 2021-10-15 Jordan Pauls , Mojtaba Vaezi

This work proposes novel approaches that jointly design user equipment (UE) association and power control (PC) in a downlink user-centric cell-free massive multiple-input multiple-output (CFmMIMO) network, where each UE is only served by a…

Information Theory · Computer Science 2024-05-21 Chongzheng Hao , Tung Thanh Vu , Hien Quoc Ngo , Minh N. Dao , Xiaoyu Dang , Chenghua Wang , Michail Matthaiou

We introduce a novel physical layer scheme for single user Multiple-Input Multiple-Output (MIMO) communications based on unsupervised deep learning using an autoencoder. This method extends prior work on the joint optimization of physical…

Information Theory · Computer Science 2017-07-26 Timothy J. O'Shea , Tugba Erpek , T. Charles Clancy

This study investigates the use of non-linear unsupervised dimensionality reduction techniques to compress a music dataset into a low-dimensional representation which can be used in turn for the synthesis of new sounds. We systematically…

Audio and Speech Processing · Electrical Eng. & Systems 2019-05-27 Fanny Roche , Thomas Hueber , Samuel Limier , Laurent Girin

In this paper, we investigate the secrecy energy-efficiency (SEE) of a multi-user downlink non-orthogonal multiple access (NOMA) system assisted by multiple ambient backscatter communications (AmBC) in the presence of a passive…

Information Theory · Computer Science 2025-11-26 Miled Alam , Abdul Karim Gizzini , Laurent Clavier

Estimation of Distribution Algorithms (EDAs) require flexible probability models that can be efficiently learned and sampled. Autoencoders (AE) are generative stochastic networks with these desired properties. We integrate a special type of…

Neural and Evolutionary Computing · Computer Science 2015-09-22 Malte Probst

In this paper, we study the energy efficiency (EE) maximization problem for an uplink millimeter wave massive multiple-input multiple-output system with non-orthogonal multiple access (NOMA). Multiple two-user clusters are formed according…

Information Theory · Computer Science 2019-03-15 Ming Zeng , Wanming Hao , Octavia A. Dobre , H. Vincent Poor

Pinching antennas (PAs), a new type of reconfigurable and flexible antenna structures, have recently attracted significant research interest due to their ability to create line-of-sight links and mitigate large-scale path loss. Owing to…

Signal Processing · Electrical Eng. & Systems 2025-09-26 Peng Liu , Zesong Fei , Meng Hua , Guangji Chen , Xinyi Wang , Ruiqi Liu

Non-orthogonal multiple access (NOMA) is considered as a promising technology for improving the spectral efficiency (SE) in 5G. In this correspondence, we study the benefit of NOMA in enhancing energy efficiency (EE) for a multi-user…

Information Theory · Computer Science 2016-06-09 Yi Zhang , Hui-Ming Wang , Tong-Xing Zheng , Qian Yang

When considering the future generation wireless networks, non-orthogonal multiple access (NOMA) represents a viable multiple access technique for improving the spectral efficiency. The basic performance of NOMA is often enhanced using…

Signal Processing · Electrical Eng. & Systems 2019-02-18 Haitham Al-Obiedollah , Kanapathippillai Cumanan , Jeyarajan Thiyagalingam , Alister G. Burr , Zhiguo Ding , Octavia A. Dobre

In this work, we investigate the optimal beamformer design for the downlink of Multiple-Input Single-Output (MISO) Non-Orthogonal Multiple Access (NOMA), mainly focusing on a two-user scenario. We derive novel closed-form expressions for…

Signal Processing · Electrical Eng. & Systems 2024-06-19 Georgios Konstantopoulos , Yves Louet

Using a deep autoencoder (DAE) for end-to-end communication in multiple-input multiple-output (MIMO) systems is a novel concept with significant potential. DAE-aided MIMO has been shown to outperform singular-value decomposition (SVD)-based…

Information Theory · Computer Science 2022-02-14 Xinliang Zhang , Mojtaba Vaezi , Timothy J. O'Shea

Currently used resource allocation methods for uplink multicarrier non-orthogonal multiple access (MC-NOMA) systems have multiple shortcomings. Current approaches either allocate the same power across all subcarriers to a user, or use…

Signal Processing · Electrical Eng. & Systems 2025-01-22 Sagnik Bhattacharya , Kamyar Rajabalifardi , Muhammad Ahmed Mohsin , John M. Cioffi