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In this paper, we address two crucial challenges in the design of cell-free (CF) systems: degradation in the performance of CF systems by imperfect channel state information at the transmitter (CSIT) and high computational/signaling loads…

信息论 · 计算机科学 2023-07-18 A. Flores , R. C. de Lamare , K. V. Mishra

Detecting uncertainty in large language models (LLMs) is essential for building reliable systems, yet many existing approaches are overly complex and depend on brittle semantic clustering or access to model internals. We introduce Radial…

机器学习 · 计算机科学 2026-04-08 Manh Nguyen , Sunil Gupta , Hung Le

Facilitating the coexistence of radar systems with communication systems has been a major area of research in radar engineering. The current work presents a new way to sense the environment using the channel equalization block of existing…

其他计算机科学 · 计算机科学 2017-05-09 Abhishek Bhatta , Amit Kumar Mishra

For ultra-wideband and high-rate wireless communication systems, wideband spectrum sensing (WSS) is critical, since it empowers secondary users (SUs) to capture the spectrum holes for opportunistic transmission. However, WSS encounters…

信息检索 · 计算机科学 2024-09-16 Jibin Jia , Peihao Dong , Fuhui Zhou , Qihui Wu

Given the importance of datasets for sensing-communication integration research, a novel simulation platform for constructing communication and multi-modal sensory dataset is developed. The developed platform integrates three high-precision…

信号处理 · 电气工程与系统科学 2025-04-28 Xiang Cheng , Ziwei Huang , Yong Yu , Lu Bai , Mingran Sun , Zengrui Han , Ruide Zhang , Sijiang Li

The volume of mobile data traffic has been driven to an unprecedented high level due to the proliferation of smartphones/mobile devices that support a wide range of broadband applications and services, requiring a next generation mobile…

信息论 · 计算机科学 2018-07-20 Yinan Qi , Mythri Hunukumbure , Hyungju Nam , Hyunil Yoo , Saidhiraj Amuru

In this paper, we present an efficient neural network for end-to-end general purpose audio source separation. Specifically, the backbone structure of this convolutional network is the SUccessive DOwnsampling and Resampling of…

音频与语音处理 · 电气工程与系统科学 2021-05-14 Efthymios Tzinis , Zhepei Wang , Paris Smaragdis

There has been an exponential increase in the usage of multimedia services in mobile networks in recent years. To address this accelerating data demand, mobile networks are experiencing a subtle transformation in their architecture. One of…

网络与互联网体系结构 · 计算机科学 2024-01-03 Rashmi Yadav , Rashmi Kamran , Pranav Jha , Abhay Karandikar

In recent years, numerous data-intensive broadcasting applications have emerged at the wireless edge, calling for a flexible tradeoff between distortion, transmission rate, and processing complexity. While deep learning-based joint…

信息论 · 计算机科学 2026-03-24 Zijun Qin , Jingxuan Huang , Zesong Fei , Haichuan Ding , Yulin Shao , Xianhao Chen

The far-field channel model has historically been used in wireless communications due to the simplicity of mathematical modeling and convenience for algorithm design. With the need for high data rates, low latency, and ubiquitous…

Millimeter wave (mmWave) communication represents one of the main innovations of the next generation of wireless technologies, allowing users to reach unprecedented data rates. To overcome the high path loss at mmWave frequencies, these…

信号处理 · 电气工程与系统科学 2020-11-12 Mattia Lecci , Tommaso Zugno , Silvia Zampato , Michele Zorzi

Emerging wireless applications such as 5G cellular, large intelligent surfaces (LIS), and holographic massive MIMO require antenna array processing at mm-wave frequencies with large numbers of independent digital transceivers. This paper…

The realization of open-source-defined wireless networks in the telecommunication domain is accomplished through the fifth-generation network (5G). In contrast to its predecessors (3G and 4G), the 5G network can support a wide variety of…

网络与互联网体系结构 · 计算机科学 2022-09-07 Liqiang Zhao , Muhammad Muhammad Bala , Wu Gang , Pan Chengkang , Yuan Yannan , Tian Zhigang , Yu-Chee Tseng , Chen Xiang , Bin Shen , Chih-Lin I

A wireless massive MIMO system entails a large number (tens or hundreds) of base station antennas serving a much smaller number of users, with large gains in spectral-efficiency and energy-efficiency compared with conventional MIMO…

信息论 · 计算机科学 2014-11-18 Alexei Ashikhmin , Thomas L. Marzetta , Liangbin Li

Real-world image super-resolution (Real SR) aims to generate high-fidelity, detail-rich high-resolution (HR) images from low-resolution (LR) counterparts. Existing Real SR methods primarily focus on generating details from the LR RGB…

图像与视频处理 · 电气工程与系统科学 2024-11-22 Long Peng , Wenbo Li , Jiaming Guo , Xin Di , Haoze Sun , Yong Li , Renjing Pei , Yang Wang , Yang Cao , Zheng-Jun Zha

As wireless networks transition toward 6G, high mobility, clustered scattering, and hardware impairments increasingly challenge classical assumptions on channel sparsity, resolvability, and stationarity. In these regimes, performance…

信号处理 · 电气工程与系统科学 2026-05-05 Hamza Haif , Abdelali Arous , Huseyin Arslan

Localization of radio frequency (RF) sources has critical applications, including search and rescue, jammer detection, and monitoring of hostile activities. Unmanned aerial vehicles (UAVs) offer significant advantages for RF source…

信号处理 · 电气工程与系统科学 2025-02-21 Saad Masrur , Ismail Guvenc

Reconfigurable intelligent surfaces (RISs) and fluid antennas (FAs) are key technologies for enhancing spatial degrees of freedom in future wireless networks. However, channel acquisition in RIS-aided FA systems is challenging as cascaded…

信号处理 · 电气工程与系统科学 2026-04-21 Josué V. de Araújo , Gilderlan T. de Araújo , André L. F. de Almeida

Reflecting Surfaces (RSs) are being lately envisioned as an energy efficient solution capable of enhancing the signal coverage in cases where obstacles block the direct communication from Base Stations (BSs), especially at high frequency…

信号处理 · 电气工程与系统科学 2025-11-04 Kun Chen-Hu , George C. Alexandropoulos , Ana García Armada

Reconfigurable Intelligent Surfaces (RISs) are expected to play a pivotal role in future indoor ultra high data rate wireless communications as well as highly accurate three-dimensional localization and sensing, mainly due to their…