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Traditional localization algorithms based on features such as time difference of arrival are impaired by non-line of sight propagation, which negatively affects the consistency that they expect among distance estimates. Instead,…

最优化与控制 · 数学 2022-04-25 Pham Q. Viet , Daniel Romero

With the rapid advancement of artificial intelligence, generative artificial intelligence (GAI) has taken a leading role in transforming data processing methods. However, the high computational demands of GAI present challenges for devices…

网络与互联网体系结构 · 计算机科学 2024-12-18 Chuan Zhang , Xixi Zheng , Xiaolong Tao , Chenfei Hu , Weiting Zhang , Liehuang Zhu

This article targets at unlocking the potentials of a class of prominent generative artificial intelligence (GAI) method, namely diffusion model (DM), for mobile communications. First, a DM-driven communication architecture is proposed,…

信号处理 · 电气工程与系统科学 2024-10-22 Xiaoxia Xu , Xidong Mu , Yuanwei Liu , Hong Xing , Yue Liu , Arumugam Nallanathan

Deep learning (DL), a branch of artificial intelligence (AI) techniques, has shown great promise in various disciplines such as image classification and segmentation, speech recognition, language translation, among others. This remarkable…

信号处理 · 电气工程与系统科学 2022-09-07 Wonjun Kim , Yongjun Ahn , Jinhong Kim , Byonghyo Shim

Reconfigurable Intelligent Surface (RIS) technology has emerged as a key enabler for future wireless communications. However, its potential is constrained by the difficulty of acquiring accurate user-to-RIS channel state information (CSI),…

信号处理 · 电气工程与系统科学 2026-04-20 Md. Shahriar Sadid , Ali A. Nasir , Saad Al-Ahmadi , Samir Al-Ghadhban

The standardization process of the fifth generation (5G) wireless communications has recently been accelerated and the first commercial 5G services would be provided as early as in 2018. The increasing of enormous smartphones, new complex…

信号处理 · 电气工程与系统科学 2020-03-02 Jie Huang , Cheng-Xiang Wang , Lu Bai , Jian Sun , Yang Yang , Jie Li , Olav Tirkkonen , Ming-Tuo Zhou

Accurate channel knowledge is critical in massive multiple-input multiple-output (MIMO), which motivates the use of channel prediction. Machine learning techniques for channel prediction hold much promise, but current schemes are limited in…

信息论 · 计算机科学 2026-05-01 Hwanjin Kim , Junil Choi , David J. Love

Wireless communications are characterized by their unpredictability, posing challenges for maintaining consistent communication quality. This paper presents a comprehensive analysis of various prediction models, with a focus on achieving…

网络与互联网体系结构 · 计算机科学 2025-09-24 Gabriele Formis , Gianluca Cena , Lukasz Wisniewski , Stefano Scanzio

The optimal scheduling of interfering links in a dense wireless network with full frequency reuse is a challenging task. The traditional method involves first estimating all the interfering channel strengths then optimizing the scheduling…

信号处理 · 电气工程与系统科学 2021-02-05 Wei Cui , Kaiming Shen , Wei Yu

Generative models have shown immense potential for wireless communication by learning complex channel data distributions. However, the iterative denoising process associated with these models imposes a significant challenge in…

In 6G communications, it is envisioned to equip the traditional access point (AP) with sensing capability to fully benefit the existing wireless communication infrastructures. Thus, sensing-assisted communication has attracted significant…

信号处理 · 电气工程与系统科学 2025-03-14 Hui Zhou , Xiaolan Liu , Sangarapillai Lambotharan

The AI-enabled autoencoder has demonstrated great potential in channel state information (CSI) feedback in frequency division duplex (FDD) multiple input multiple output (MIMO) systems. However, this method completely changes the existing…

信号处理 · 电气工程与系统科学 2024-07-02 Yupeng Li , Gang Li , Zirui Wen , Shuangfeng Han , Shijian Gao , Guangyi Liu , Jiangzhou Wang

Reconfigurable intelligent surface (RIS)-assisted communications is one of the promising candidates for next generation wireless networks by controlling the propagation environment dynamically. In this study, a channel modeling strategy for…

信息论 · 计算机科学 2021-11-03 Fatih Kilinc , Ibrahim Yildirim , Ertugrul Basar

The evolution toward the sixth-generation (6G) and beyond mobile communication systems is marked by a fundamental shift from merely connecting devices to enabling pervasive and embodied intelligence. While recent advances in artificial…

信号处理 · 电气工程与系统科学 2025-12-01 Xiang Cheng , Weibo Wen , Haotian Zhang , Boxun Liu , Zonghui Yang , Jianan Zhang , Xuesong Cai

Obtaining accurate channel state information (CSI) is crucial and challenging for multiple-input multiple-output (MIMO) wireless communication systems. With the increasing antenna scale and user mobility, traditional channel estimation…

信号处理 · 电气工程与系统科学 2025-04-29 Zhuoran Xiao

Artificial intelligence (AI) is pivotal in advancing fifth-generation (5G)-Advanced and sixth-generation systems, capturing substantial research interest. Both the 3rd Generation Partnership Project (3GPP) and leading corporations champion…

信号处理 · 电气工程与系统科学 2025-04-18 Chengyong Jiang , Jiajia Guo , Xiangyi Li , Shi Jin , Jun Zhang

The edge artificial intelligence (AI) applications in next-generation mobile networks demand efficient AI-model downloading techniques to support real-time, on-device inference. However, transmitting high-dimensional AI models over wireless…

网络与互联网体系结构 · 计算机科学 2026-02-17 You Zhou , Qunsong Zeng , Kaibin Huang

Deep learning based on artificial neural networks is a powerful machine learning method that, in the last few years, has been successfully used to realize tasks, e.g., image classification, speech recognition, translation of languages,…

信息论 · 计算机科学 2019-06-18 Alessio Zappone , Marco Di Renzo , Mérouane Debbah , Thanh Tu Lam , Xuewen Qian

Intelligent signal processing for wireless communications is a vital task in modern wireless systems, but it faces new challenges because of network heterogeneity, diverse service requirements, a massive number of connections, and various…

信号处理 · 电气工程与系统科学 2024-10-30 Quoc-Viet Pham , Nhan Thanh Nguyen , Thien Huynh-The , Long Bao Le , Kyungchun Lee , Won-Joo Hwang

Channel pruning, which seeks to reduce the model size by removing redundant channels, is a popular solution for deep networks compression. Existing channel pruning methods usually conduct layer-wise channel selection by directly minimizing…

计算机视觉与模式识别 · 计算机科学 2019-05-14 Yiming Hu , Siyang Sun , Jianquan Li , Jiagang Zhu , Xingang Wang , Qingyi Gu