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With the recent advancements in wireless technologies, forecasting electromagnetic field (EMF) exposure has become critical to enable proactive network spectrum and power allocation, as well as network deployment planning. In this paper, we…

机器学习 · 计算机科学 2025-04-02 Xavier Mootoo , Hina Tabassum , Luca Chiaraviglio

Deep-learning (DL)-based precoding in multi-user multiple-input single-output (MU-MISO) systems involves training DL models to map features derived from channel coefficients to labels derived from precoding weights. Traditionally,…

机器学习 · 计算机科学 2026-03-10 Zaid Abdullah , Merouane Debbah , Symeon Chatzinotas , Bjorn Ottersten

As one of the key communication scenarios in the 5th and also the 6th generation (6G) of mobile communication networks, ultra-reliable and low-latency communications (URLLC) will be central for the development of various emerging…

信号处理 · 电气工程与系统科学 2021-01-21 Changyang She , Chengjian Sun , Zhouyou Gu , Yonghui Li , Chenyang Yang , H. Vincent Poor , Branka Vucetic

Using precoding to suppress multi-user interference is a well-known technique to improve spectra efficiency in multiuser multiple-input multiple-output (MU-MIMO) systems, and the pursuit of high performance and low complexity precoding…

信息论 · 计算机科学 2022-07-11 Maojun Zhang , Jiabao Gao , Caijun Zhong

Recently proposed orthogonal time frequency space (OTFS) modulation has been considered as a promising candidate for accommodating various emerging communication and sensing applications in high-mobility environments. In this paper, we…

信息论 · 计算机科学 2021-01-12 Shuangyang Li , Weijie Yuan , Zhiqiang Wei , Jinhong Yuan

In high-mobility 6G scenarios, rapidly time-varying channels lead to very short coherence times, which makes conventional pilot-based channel state information (CSI) estimation approaches prone to outdated information or excessive pilot…

信号处理 · 电气工程与系统科学 2026-04-07 Mohsen Kazemian , Jürgen Jasperneite

Integrated data and energy transfer (IDET) is an advanced technology for enabling energy sustainability for massively deployed low-power electronic consumption components. However, the existing work of IDET using the…

信号处理 · 电气工程与系统科学 2023-02-06 Jie Hu , Ke Xu , Luping Xiang , Kun Yang

As smart grids evolve to meet growing energy demands and modern operational challenges, the ability to accurately predict faults becomes increasingly critical. However, existing AI-based fault prediction models struggle to ensure…

A spatial modulation-aided orthogonal time frequency space (SM-OTFS) scheme is proposed for high-Doppler scenarios, which relies on a low-complexity distance-based detection algorithm. We first derive the delay-Doppler (DD) domain…

信息论 · 计算机科学 2023-05-18 Zeping Sui , Hongming Zhang , Yu Xin , Tong Bao , Lie-Liang Yang , Lajos Hanzo

In our first paper [2] we explained why the Zak-OTFS input-output (I/O) relation is predictable and non-fading when the delay and Doppler periods are greater than the effective channel delay and Doppler spreads, a condition which we refer…

信号处理 · 电气工程与系统科学 2023-10-03 Saif Khan Mohammed , Ronny Hadani , Ananthanarayanan Chockalingam , Robert Calderbank

With the emergence of new application areas such as cyber-physical systems and human-in-the-loop applications ensuring a specific level of end-to-end network latency with high reliability (e.g., 99.9%) is becoming increasingly critical. To…

网络与互联网体系结构 · 计算机科学 2025-03-20 Samie Mostafavi , Gourav Prateek Sharma , Ahmad Traboulsi , James Gross

Current AI systems at the tactical edge lack the computational resources to support in-situ training and inference for situational awareness, and it is not always practical to leverage backhaul resources due to security, bandwidth, and…

信号处理 · 电气工程与系统科学 2020-10-15 Silvija Kokalj-Filipovic , Paul Toliver , William Johnson , Raymond R. Hoare , Joseph J. Jezak

This paper introduces a novel precoder design aimed at reducing pilot overhead for effective channel estimation in multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) applications utilizing high-order…

信号处理 · 电气工程与系统科学 2025-04-30 Nilesh Kumar Jha , Huayan Guo , Vincent K. N. Lau

Despite the strong Doppler resilience capability, orthogonal time-frequency space (OTFS) modulation suffers from high channel estimation and equalization complexity at the receiver, hindering its applicability in air-ground transmission. In…

信号处理 · 电气工程与系统科学 2025-11-10 Weihao Wang , Jing Guo , Siqiang Wang , Xinyi Wang , Weijie Yuan , Zesong Fei

When deploying deep learning models to a device, it is traditionally assumed that available computational resources (compute, memory, and power) remain static. However, real-world computing systems do not always provide stable resource…

机器学习 · 计算机科学 2021-10-11 Elvis Nunez , Maxwell Horton , Anish Prabhu , Anurag Ranjan , Ali Farhadi , Mohammad Rastegari

Dense pixel matching problems such as optical flow and disparity estimation are among the most challenging tasks in computer vision. Recently, several deep learning methods designed for these problems have been successful. A sufficiently…

计算机视觉与模式识别 · 计算机科学 2023-11-02 Ali Salehi , Madhusudhanan Balasubramanian

Although the combination of the orthogonal time frequency space (OTFS) modulation and the massive multiple-input multiple-output (MIMO) technology can make communication systems perform better in high-mobility scenarios, there are still…

信息论 · 计算机科学 2021-05-21 Ding Shi , Wenjin Wang , Li You , Xiaohang Song , Yi Hong , Xiqi Gao , Gerhard Fettweis

With the rapid deployment of the Internet of Things (IoT), fifth-generation (5G) and beyond 5G networks are required to support massive access of a huge number of devices over limited radio spectrum radio. In wireless networks, different…

信号处理 · 电气工程与系统科学 2020-12-18 Helin Yang , Zehui Xiong , Jun Zhao , Dusit Niyato , Chau Yuen , Ruilong Deng

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

Network traffic prediction is essential for automating modern network management. It is a difficult time series forecasting (TSF) problem that has been addressed by Deep Learning (DL) models due to their ability to capture complex patterns.…

网络与互联网体系结构 · 计算机科学 2026-01-07 Eilaf MA Babai , Aalaa MA Babai , Koji Okamura