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Channel interpolation is an essential technique for providing high-accuracy estimation of the channel state information (CSI) for wireless systems design where the frequency-space structural correlations of multi-antenna channel are…

信号处理 · 电气工程与系统科学 2019-05-21 Han Zhang , Bo Ai , Wenjun Xu , Li Xu , Shuguang Cui

Large language models (LLMs) excel at general mathematical reasoning but fail catastrophically on specialized technical mathematics. In wireless communications, where problems require precise manipulation of information-theoretic bounds,…

机器学习 · 计算机科学 2025-09-30 Xin Li , Mengbing Liu , Yiyang Zhu , Wenhe Zhang , Li Wei , Jiancheng An , Chau Yuen

The important problem of weighted sum rate maximization (WSRM) in a multicellular environment is intrinsically sensitive to channel estimation errors. In this paper, we study ways to maximize the weighted sum rate in a linearly precoded…

信息论 · 计算机科学 2013-10-21 Muhammad Fainan Hanif , Le-Nam Tran , Antti Tölli , Markku Juntti , Savo Glisic

Massive multiple-input multiple-output low-Earth-orbit communication channels are highly time-varying due to severe Doppler shifts and propagation delays. While satellite-mobility-induced Doppler shifts can be compensated using known…

信号处理 · 电气工程与系统科学 2025-10-17 Abdollah Masoud Darya , Saeed Abdallah

We propose a computationally-efficient soft-output detector for multiple-input multiple-output channels based on augmented channel puncturing in order to reduce tree processing complexity. The proposed detector, dubbed augmented WL detector…

信息论 · 计算机科学 2020-01-30 Mohammad M. Mansour

Accurate channel prediction and effective beamforming are essential for low Earth orbit (LEO) satellite communications to enhance system capacity and enable high-speed connectivity. Most existing channel prediction and predictive…

信号处理 · 电气工程与系统科学 2025-10-14 Zhixiong Chen , Hyundong Shin , Arumugam Nallanathan , Jonathon Chambers

Low Earth orbit (LEO) satellites play an essential role in intelligent Earth observation by leveraging artificial intelligence models. However, limited onboard memory and excessive inference delay prevent the practical deployment of large…

分布式、并行与集群计算 · 计算机科学 2026-04-07 Songge Zhang , Wen Wu , Liang Li , Ye Wang , Xuemin , Shen

Downlink beamforming is an essential technology for wireless cellular networks; however, the design of beamforming vectors that maximize the weighted sum rate (WSR) is an NP-hard problem and iterative algorithms are typically applied to…

信号处理 · 电气工程与系统科学 2022-06-28 Jingyuan Xia , Gunduz Deniz

The requirement of high spectrum efficiency puts forward higher requirements on frame synchronization (FS) in wireless communication systems. Meanwhile, a large number of nonlinear devices or blocks will inevitably cause nonlinear…

信号处理 · 电气工程与系统科学 2021-03-30 Chaojin Qing , Wang Yu , Shuhai Tang , Chuangui Rao , Jiafan Wang

Modular extremely large-scale MIMO (XL-MIMO) architectures combined with wireless fronthaul provide a scalable alternative to monolithic arrays, but their performance is sensitive to hardware impairments and resource allocation strategies.…

信号处理 · 电气工程与系统科学 2026-05-25 Özlem Tuğfe Demir

Recent breakthroughs in Multimodal Large Language Models (MLLMs) have gained significant recognition within the deep learning community, where the fusion of the Video Foundation Models (VFMs) and Large Language Models(LLMs) has proven…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Quan Zhang , Jinwei Fang , Rui Yuan , Xi Tang , Yuxin Qi , Ke Zhang , Chun Yuan

We introduce for the first time the utilization of Long short-term memory (LSTM) neural network architectures for the compensation of fiber nonlinearities in digital coherent systems. We conduct numerical simulations considering either…

信号处理 · 电气工程与系统科学 2020-12-16 Stavros Deligiannidis , Adonis Bogris , Charis Mesaritakis , Yannis Kopsinis

Compressive subspace learning (CSL) with the exploitation of space diversity has found a potential performance improvement for wideband spectrum sensing (WBSS). However, previous works mainly focus on either exploiting antenna…

信息论 · 计算机科学 2020-06-09 Tierui Gong , Zhijia Yang , Meng Zheng , Zhifeng Liu , Gengshan Wang

The recently envisioned goal-oriented communications paradigm calls for the application of inference on wirelessly transferred data via Machine Learning (ML) tools. An emerging research direction deals with the realization of inference ML…

信号处理 · 电气工程与系统科学 2026-04-10 Kyriakos Stylianopoulos , Mattia Fabiani , Giulia Torcolacci , Davide Dardari , George C. Alexandropoulos

In this paper, we address the intricate issue of RF signal separation by presenting a novel adaptation of the WaveNet architecture that introduces learnable dilation parameters, significantly enhancing signal separation in dense RF…

信号处理 · 电气工程与系统科学 2024-02-16 Yu Tian , Ahmed Alhammadi , Abdullah Quran , Abubakar Sani Ali

Addressing the challenges of deploying large language models in wireless communication networks, this paper combines low-rank adaptation technology (LoRA) with the splitfed learning framework to propose the federated split learning for…

网络与互联网体系结构 · 计算机科学 2024-07-15 Kai Zhao , Zhaohui Yang , Chongwen Huang , Xiaoming Chen , Zhaoyang Zhang

We study the performance of centralized least mean-squares (CLMS) algorithms in wireless sensor networks where nodes transmit their data over fading channels to a central processing unit (e.g., fusion center or cluster head), for parameter…

系统与控制 · 计算机科学 2016-11-18 Reza Abdolee , Benoit Champagne

Machine learning (ML) has been widely applied to the upper layers of wireless communication systems for various purposes, such as deployment of cognitive radio and communication network. However, its application to the physical layer is…

信息论 · 计算机科学 2017-10-30 Tianqi Wang , Chao-Kai Wen , Hanqing Wang , Feifei Gao , Tao Jiang , Shi Jin

Hyperspectral imagery collected from airborne or satellite sources inevitably suffers from spectral variability, making it difficult for spectral unmixing to accurately estimate abundance maps. The classical unmixing model, the linear…

计算机视觉与模式识别 · 计算机科学 2019-06-25 Danfeng Hong , Naoto Yokoya , Jocelyn Chanussot , Xiao Xiang Zhu

In next-generation communications, massive machine-type communications (mMTC) induce severe burden on base stations. To address such an issue, automatic modulation classification (AMC) can help to reduce signaling overhead by blindly…

信号处理 · 电气工程与系统科学 2020-02-10 Chieh-Fang Teng , Ching-Yao Chou , Chun-Hsiang Chen , An-Yeu Wu
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