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Energy-aware system design is an important optimization task for static and mobile Internet of Things (IoT)-based sensor nodes, especially for highly resource-constrained vehicles such as mobile robotic systems. For 4G/5G-based cellular…

网络与互联网体系结构 · 计算机科学 2020-02-20 Robert Falkenberg , Benjamin Sliwa , Nico Piatkowski , Christian Wietfeld

Bandwidth forecasting in Mobile Broadband (MBB) networks is a challenging task, particularly when coupled with a degree of mobility. In this work, we introduce HINDSIGHT++, an open-source R-based framework for bandwidth forecasting…

网络与互联网体系结构 · 计算机科学 2020-11-23 Konstantinos Kousias , Apostolos Pappas , Ozgu Alay , Antonios Argyriou , Michael Riegler

A key feature of the packet scheduler in LTE system is that it can allocate resources both in the time and frequency domain. Furthermore, the scheduler is acquainted with channel state information periodically reported by user equipments…

网络与互联网体系结构 · 计算机科学 2014-10-01 Mattia Carpin , Andrea Zanella , Jawad Rasool , Kashif Mahmood , Ole Grøndalen , Olav N. Østerbø

Short-term passenger flow forecasting is an essential component in urban rail transit operation. Emerging deep learning models provide good insight into improving prediction precision. Therefore, we propose a deep learning architecture…

信号处理 · 电气工程与系统科学 2021-08-09 Jinlei Zhang , Feng Chen , Zhiyong Cui , Yinan Guo , Yadi Zhu

Long short-term memory (LSTM) based acoustic modeling methods have recently been shown to give state-of-the-art performance on some speech recognition tasks. To achieve a further performance improvement, in this research, deep extensions on…

计算与语言 · 计算机科学 2015-05-12 Xiangang Li , Xihong Wu

With the rapid development of 5th Generation Mobile Communication Technology (5G), the diverse forms of collaboration and extensive data in academic social networks constructed by 5G papers make the management and analysis of academic…

社会与信息网络 · 计算机科学 2021-11-17 Xiaoming Li , Guangquan Xu , Wei Yu , Pengfei Jiao , Xiangyu Song

The Channel Quality Indicator (CQI) is a fundamental component of channel state information (CSI) that enables adaptive modulation and coding by selecting the optimal modulation and coding scheme to meet a target block error rate. While…

信号处理 · 电气工程与系统科学 2025-12-23 Chengyong Jiang , Jiajia Guo , Yuqing Hua , Chao-Kai Wen , Shi Jin

Channel estimation is crucial in 5G communication networks for optimizing transmission parameters and ensuring reliable, high-speed communication. However, the use of multiple-input and multiple-output (MIMO) and millimeter-wave (mmWave) in…

信息论 · 计算机科学 2026-05-05 Shengzhe Lyu , Yuhan She , Di Duan , Tao Ni , Yu Hin Chan , Chengwen Luo , Ray C. C. Cheung , Weitao Xu

In this work, we propose a convolutional neural network (CNN) based low-complexity approach for downlink (DL) channel estimation (CE) in frequency division duplex (FDD) systems. In contrast to existing work, we use training data which…

信息论 · 计算机科学 2021-05-26 B. Fesl , N. Turan , M. Koller , M. Joham , W. Utschick

In the realm of 5G communication systems, the accuracy of Channel State Information (CSI) prediction is vital for optimizing performance. This letter introduces a pioneering approach: the Spectral-Temporal Graph Neural Network (STEM GNN),…

信息论 · 计算机科学 2023-12-06 Sharan Mourya , Pavan Reddy , SaiDhiraj Amuru , Kiran Kumar Kuchi

Massive multiple-input multiple-output (MIMO) systems are a main enabler of the excessive throughput requirements in 5G and future generation wireless networks as they can serve many users simultaneously with high spectral and energy…

信息论 · 计算机科学 2021-02-15 Mahdi Boloursaz Mashhadi , Deniz Gündüz

We study downlink (DL) channel estimation in a multi-cell Massive multiple-input multiple-output (MIMO) system operating in a time-division duplex. The users must know their effective channel gains to decode their received DL data signals.…

信息论 · 计算机科学 2021-09-07 Amin Ghazanfari , Trinh Van Chien , Emil Björnson , Erik G. Larsson

Massive multiple-input multiple-output (MIMO) with frequency division duplex (FDD) mode is a promising approach to increasing system capacity and link robustness for the fifth generation (5G) wireless cellular systems. The premise of these…

网络与互联网体系结构 · 计算机科学 2019-07-30 Chaojin Qing , Bin Cai , Qingyao Yang , Jiafan Wang , Chuan Huang

Diagnosis of cardiovascular diseases usually relies on the widely used standard 12-Lead (S12) ECG system. However, such a system could be bulky, too resource-intensive, and too specialized for personalized home-based monitoring. In…

信号处理 · 电气工程与系统科学 2023-08-15 Rahul LR , Albert Shaiju , Soumya Jana

In this paper, we propose an algorithm for downlink (DL) channel covariance matrix (CCM) estimation for frequency division duplexing (FDD) massive multiple-input multiple-output (MIMO) communication systems with base station (BS) possessing…

机器学习 · 计算机科学 2025-09-23 Melih Can Zerin , Elif Vural , Ali Özgür Yılmaz

In today's day and age, a mobile phone has become a basic requirement needed for anyone to thrive. With the cellular traffic demand increasing so dramatically, it is now necessary to accurately predict the user traffic in cellular networks,…

机器学习 · 计算机科学 2025-07-22 Nikhil Nayak , Rujula Singh R , Rameshwar Garg , Varun Danda , Chandana Kiran , Kaustuv Saha

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

With the rapid development of science and technology, the problem of energy load monitoring and decomposition of electrical equipment has been receiving widespread attention from academia and industry. For the purpose of improving the…

信号处理 · 电气工程与系统科学 2021-09-14 Xinxin Zhou , Jingru Feng , Yang Li

Analyzing and evaluating students' progress in any learning environment is stressful and time consuming if done using traditional analysis methods. This is further exasperated by the increasing number of students due to the shift of focus…

计算机与社会 · 计算机科学 2024-02-06 Abdallah Moubayed , MohammadNoor Injadat , Nouh Alhindawi , Ghassan Samara , Sara Abuasal , Raed Alazaidah

Network Traffic Matrix (TM) prediction is defined as the problem of estimating future network traffic from the previous and achieved network traffic data. It is widely used in network planning, resource management and network security. Long…

网络与互联网体系结构 · 计算机科学 2017-06-12 Abdelhadi Azzouni , Guy Pujolle