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This paper presents a physical layer network coding (PNC) approach for network MIMO (N-MIMO) systems to release the heavy burden of backhaul load. The proposed PNC approach is applied for uplink scenario in binary systems, and the design…

Signal Processing · Electrical Eng. & Systems 2018-05-22 Tong Peng , Yi Wang , Alister G. Burr , Mohammad Shikh-Bahaei

We present an introduction to model-based machine learning for communication systems. We begin by reviewing existing strategies for combining model-based algorithms and machine learning from a high level perspective, and compare them to the…

Signal Processing · Electrical Eng. & Systems 2021-01-14 Nir Shlezinger , Nariman Farsad , Yonina C. Eldar , Andrea J. Goldsmith

The focus of this paper is on multi-user MIMO transmissions for millimeter wave systems with a hybrid precoding architecture at the base-station. To enable multi-user transmissions, the base-station uses a cell-specific codebook of…

Information Theory · Computer Science 2018-07-04 Miguel R. Castellanos , Vasanthan Raghavan , Jung H. Ryu , Ozge H. Koymen , Junyi Li , David J. Love , Borja Peleato

A novel precoding method based on supervised deep neural networks is introduced for the multiple-input multiple-output Gaussian wiretap channel. The proposed deep learning (DL)-based precoding learns the input covariance matrix through…

Information Theory · Computer Science 2019-09-18 Xinliang Zhang , Mojtaba Vaezi

The rapid development of mobile networks proliferates the demands of high data rate, low latency, and high-reliability applications for the fifth-generation (5G) and beyond (B5G) mobile networks. Concurrently, the massive…

Networking and Internet Architecture · Computer Science 2024-04-02 Chih-Wei Huang , Yen-Cheng Chou , Hong-Yunn Chen , Cheng-Fu Chou

Physical layer network coding (PNC) has been studied to serve wireless network MIMO systems with much lower backhaul load than approaches such as Cloud Radio Access Network (Cloud-RAN) and coordinated multipoint (CoMP). In this paper, we…

Signal Processing · Electrical Eng. & Systems 2018-05-22 Tong Peng , Yi Wang , Alister G. Burr , Mohammad Shikh-Bahaei

State-of-the-art performance for many edge applications is achieved by deep neural networks (DNNs). Often, these DNNs are location- and time-sensitive, and must be delivered over a wireless channel rapidly and efficiently. In this paper, we…

Networking and Internet Architecture · Computer Science 2023-07-21 Mikolaj Jankowski , Deniz Gunduz , Krystian Mikolajczyk

This paper presents a novel approach for the joint design of a reconfigurable intelligent surface (RIS) and a transmitter-receiver pair that are trained together as a set of deep neural networks (DNNs) to optimize the end-to-end…

Networking and Internet Architecture · Computer Science 2021-12-09 Tugba Erpek , Yalin E. Sagduyu , Ahmed Alkhateeb , Aylin Yener

Deep Neural Networks (DNNs) are the key to the state-of-the-art machine vision, sensor fusion and audio/video signal processing. Unfortunately, their computation complexity and tight resource constraints on the Edge make them hard to…

Machine Learning · Computer Science 2017-12-05 Ranko Sredojevic , Shaoyi Cheng , Lazar Supic , Rawan Naous , Vladimir Stojanovic

Signaling design for secure transmission in two-user multiple-input multiple-output (MIMO) non-orthogonal multiple access (NOMA) networks is investigated in this paper. The base station broadcasts multicast data to all users and also…

Information Theory · Computer Science 2022-04-06 Yue Qi , Mojtaba Vaezi

In millimeter-wave communications, multiple-input-multiple-output (MIMO) systems use large antenna arrays to achieve high gain and spectral efficiency. These massive MIMO systems employ hybrid beamformers to reduce power consumption…

Signal Processing · Electrical Eng. & Systems 2019-11-26 Ahmet M. Elbir , Kumar Vijay Mishra

This letter focuses on the physical layer security over two-user multiple-input multiple-output (MIMO) non-orthogonal multiple access (NOMA) networks. A linear precoding technique is designed to ensure the confidentiality of the message of…

Information Theory · Computer Science 2020-08-14 Yue Qi , Mojtaba Vaezi

In time-varying fading channels, channel coefficients are estimated using pilot symbols that are transmitted every coherence interval. For channels with high Doppler spread, the rapid channel variations over time will require considerable…

Information Theory · Computer Science 2022-03-24 Sandesh Rao Mattu , Lakshmi Narasimhan T , A. Chockalingam

Fully harvesting the gain of multiple-input and multiple-output (MIMO) requires accurate channel information. However, conventional channel acquisition methods mainly rely on pilot training signals, resulting in significant training…

Information Theory · Computer Science 2024-09-26 Shuaifeng Jiang , Qi Qu , Xiaqing Pan , Abhishek Agrawal , Richard Newcombe , Ahmed Alkhateeb

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

We propose a novel frame prediction method using a deep neural network (DNN), with the goal of improving video coding efficiency. The proposed DNN makes use of decoded frames, at both encoder and decoder, to predict textures of the current…

Image and Video Processing · Electrical Eng. & Systems 2019-06-24 Hyomin Choi , Ivan V. Bajic

Hybrid precoding is a cost-effective approach to support directional transmissions for millimeter-wave (mm-wave) communications, but its precoder design is highly complicated. In this paper, we propose a new hybrid precoder implementation,…

Signal Processing · Electrical Eng. & Systems 2019-05-28 Xianghao Yu , Jun Zhang , Khaled B. Letaief

This work focuses on distributed linear precoding when users transmit correlated information over a fading Multiple-Input and Multiple-Output Multiple Access Channel. Precoders are optimized in order to minimize the sum-Mean Square Error…

Information Theory · Computer Science 2024-01-31 P. Suárez-Casal , J. P. González-Coma , O. Fresnedo , L. Castedo

In this paper, we introduce a Deep Neural Network (DNN) to maximize the Proportional Fairness (PF) of the Spectral Efficiency (SE) of uplinks in Cell-Free (CF) massive Multiple-Input Multiple-Output (MIMO) systems. The problem of maximizing…

Information Theory · Computer Science 2021-10-12 Le Ty Khanh , Pham Quoc Viet , Ha Hoang Kha , Nguyen Minh Hoang

Weight pruning of deep neural networks (DNNs) has been proposed to satisfy the limited storage and computing capability of mobile edge devices. However, previous pruning methods mainly focus on reducing the model size and/or improving…

Machine Learning · Computer Science 2022-03-29 Yifan Gong , Zheng Zhan , Zhengang Li , Wei Niu , Xiaolong Ma , Wenhao Wang , Bin Ren , Caiwen Ding , Xue Lin , Xiaolin Xu , Yanzhi Wang
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