English
Related papers

Related papers: Learning-Based Symbol Level Precoding: A Memory-Ef…

200 papers

Symbol-level precoding (SLP) based on the concept of constructive interference (CI) is shown to be superior to traditional block-level precoding (BLP), however at the cost of a symbol-by-symbol optimization during the precoding design. In…

Information Theory · Computer Science 2022-03-24 Ang Li , Chao Shen , Xuewen Liao , Christos Masouros , A. Lee Swindlehurst

Deep learning has largely improved the performance of various natural language processing (NLP) tasks. However, most deep learning models are black-box machinery, and lack explicit interpretation. In this chapter, we will introduce our…

Computation and Language · Computer Science 2023-09-26 Xianggen Liu , Zhengdong Lu , Lili Mou

We propose a parallel constructive interference (CI)-based symbol-level precoding (SLP) approach for massive connectivity in the downlink of multiuser multiple-input single-output (MU-MISO) systems, with only local channel state information…

Information Theory · Computer Science 2022-09-27 Junwen Yang , Ang Li , Xuewen Liao , Christos Masouros

A significant issue in training deep neural networks to solve supervised learning tasks is the need for large numbers of labelled datapoints. The goal of semi-supervised learning is to leverage ubiquitous unlabelled data, together with…

Computer Vision and Pattern Recognition · Computer Science 2019-05-29 Chengxu Zhuang , Xuehao Ding , Divyanshu Murli , Daniel Yamins

In this paper, we investigate symbol-level precoding (SLP) and efficient decoding techniques for downlink transmission, where we focus on scenarios where the base station (BS) transmits multiple QAM constellation streams to users equipped…

Signal Processing · Electrical Eng. & Systems 2024-10-30 X. Tong , A. Li , L. Lei , X. Hu , F. Dong , S. Chatzinotas , C. Masouros

Training deep neural networks (DNNs) using traditional backpropagation (BP) presents challenges in terms of computational complexity and energy consumption, particularly for on-device learning where computational resources are limited.…

Neural and Evolutionary Computing · Computer Science 2025-07-08 Marco Paul E. Apolinario , Arani Roy , Kaushik Roy

With the crowding of the electromagnetic spectrum and the shrinking cell size in wireless networks, crosstalk between base stations and users is a major problem. Although hand-crafted functional blocks and coding schemes are proven…

Signal Processing · Electrical Eng. & Systems 2020-09-14 Yiming Zhou , Ashkan Samiee , Tingyi Zhou , Bahram Jalali

Symbol-level precoding is a new paradigm for multiuser downlink systems which aims at creating constructive interference among the transmitted data streams. This can be enabled by designing the precoded signal of the multiantenna…

Information Theory · Computer Science 2017-04-12 Maha Alodeh , Symeon Chatzinotas , Bjorn Ottersten

Symbol-level precoding (SLP), which converts the harmful multi-user interference (MUI) into beneficial signals, can significantly improve symbol-error-rate (SER) performance in multi-user communication systems. While enjoying symbolic gain,…

Information Theory · Computer Science 2022-05-03 Zichao Xiao , Rang Liu , Ming Li , Yang Liu , Qian Liu

This paper investigates symbol-level precoding (SLP) for high-order quadrature amplitude modulation (QAM) aimed at minimizing the average symbol error rate (SER), leveraging both constructive interference (CI) and noise power to gain…

Signal Processing · Electrical Eng. & Systems 2023-10-12 Yafei Wang , Hongwei Hou , Wenjin Wang , Xinping Yi

In this paper, we investigate the symbol-level precoding (SLP) design problem in the downlink of a multiuser multiple-input single-output (MISO) channel. We consider generic constellations with any arbitrary shape and size, and confine…

Signal Processing · Electrical Eng. & Systems 2018-11-14 Alireza Haqiqatnejad , Farbod Kayhan , Bjorn Ottersten

Learning the optimized solution as a function of environmental parameters is effective in solving numerical optimization in real time for time-sensitive applications. Existing works of learning to optimize train deep neural networks (DNN)…

Machine Learning · Computer Science 2019-05-28 Chengjian Sun , Chenyang Yang

In this paper, we propose a symbol-level precoding (SLP) design that aims to minimize the weighted mean square error between the received signal and the constellation point located in the constructive interference region (CIR). Unlike most…

Information Theory · Computer Science 2022-10-04 Yafei Wang , Wenjin Wang , Li You , Christos G. Tsinos , Shi Jin

Supervised models of NLP rely on large collections of text which closely resemble the intended testing setting. Unfortunately matching text is often not available in sufficient quantity, and moreover, within any domain of text, data is…

Computation and Language · Computer Science 2019-06-10 Yitong Li , Timothy Baldwin , Trevor Cohn

Deep neural networks (DNN) have achieved remarkable success in various fields, including computer vision and natural language processing. However, training an effective DNN model still poses challenges. This paper aims to propose a method…

Machine Learning · Computer Science 2024-07-03 Hejie Ying , Mengmeng Song , Yaohong Tang , Shungen Xiao , Zimin Xiao

Neural network potentials (NNPs) are crucial for accelerating computational materials science by surrogating density functional theory (DFT) calculations. Improving their accuracy is possible through pre-training and fine-tuning, where an…

Machine Learning · Computer Science 2025-05-29 Yosuke Oyama , Yusuke Majima , Eiji Ohta , Yasufumi Sakai

We propose a deep learning-based channel estimation, quantization, feedback, and precoding method for downlink multiuser multiple-input and multiple-output systems. In the proposed system, channel estimation and quantization for limited…

Signal Processing · Electrical Eng. & Systems 2021-03-24 Kyeongbo Kong , Woo-Jin Song , Moonsik Min

Constructive interference (CI) precoding, which converts the harmful multi-user interference into beneficial signals, is a promising and efficient interference management scheme in multi-antenna communication systems. However, CI-based…

Signal Processing · Electrical Eng. & Systems 2024-05-28 Mu Liang , Ang Li , Xiaoyan Hu , Christos Masouros

Deep learning models for non-intrusive load monitoring (NILM) tend to require a large amount of labeled data for training. However, it is difficult to generalize the trained models to unseen sites due to different load characteristics and…

Signal Processing · Electrical Eng. & Systems 2022-10-11 Shuyi Chen , Bochao Zhao , Mingjun Zhong , Wenpeng Luan , Yixin Yu

Symbol-level precoding (SLP) is a promising solution for addressing the inherent interference problem in dual-functional radar-communication (DFRC) signal designs. This paper considers an SLP-DFRC signal design problem which optimizes the…

Signal Processing · Electrical Eng. & Systems 2025-04-22 Ly V. Nguyen , Rang Liu , Nhan Thanh Nguyen , Markku Juntti , Björn Ottersten , A. Lee Swindlehurst