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Distributed massive multiple-input multiple output (mMIMO) system for low earth orbit (LEO) satellite networks is introduced as a promising technique to provide broadband connectivity. Nevertheless, several challenges persist in…

信息论 · 计算机科学 2024-05-03 Khaled Humadi , Gunes Karabulut Kurt , Halim Yanikomeroglu

The rapidly-advancing technology of deep learning (DL) into the world of the Internet of Things (IoT) has not fully entered in the fields of m-Health yet. Among the main reasons are the high computational demands of DL algorithms and the…

机器学习 · 计算机科学 2020-03-16 Engin Türetken , Jérôme Van Zaen , Ricard Delgado-Gonzalo

Large low-Earth orbit (LEO) satellite networks are being built to provide low-latency broadband Internet access to a global subscriber base. In addition to network transmissions, researchers have proposed embedding compute resources in…

分布式、并行与集群计算 · 计算机科学 2023-08-15 Tobias Pfandzelter , David Bermbach

In this paper, we consider a multiuser massive single-input multiple-output (SIMO) enabled Industrial Internet of Things (IIoT) communication system. To reduce the latency and overhead caused by channel estimation, we assume that only the…

信息论 · 计算机科学 2019-03-06 Zheng Dong , He Chen , Jian-Kang Zhang , Branka Vucetic

Low earth orbit (LEO) satellite constellations are becoming a cornerstone of next-generation satellite networks, enabling worldwide high-precision navigation and high-quality remote sensing. This paper proposes a novel dual-function LEO…

信息论 · 计算机科学 2025-11-18 Qi Wang , Xiaoming Chen , Qiao Qi , Zhaolin Wang , Yuanwei Liu

The advancements of remote sensing (RS) pose increasingly high demands on computation and transmission resources. Conventional ground-offloading techniques, which transmit large amounts of raw data to the ground, suffer from poor…

网络与互联网体系结构 · 计算机科学 2022-11-17 Jiaqi Cao , Shengli Zhang , Qingxia Chen , Houtian Wang , Mingzhe Wang , Naijin Liu

In this paper, we investigate the massive multiple-input multiple-output orthogonal frequency division multiplexing channel estimation for low-earth-orbit satellite communication systems. First, we use the angle-delay domain channel to…

信号处理 · 电气工程与系统科学 2023-03-14 Ke-Xin Li , Xiqi Gao , Xiang-Gen Xia

Machine learning finds rich applications in Internet of Things (IoT) networks such as information retrieval, traffic management, spectrum sensing, and signal authentication. While there is a surge of interest to understand the security…

网络与互联网体系结构 · 计算机科学 2019-06-04 Yalin E. Sagduyu , Yi Shi , Tugba Erpek

The Internet of Things (IoT) will encompass a massive number of machine type devices that must wirelessly transmit, in near real-time, a diverse set of messages sensed from their environment. Designing resource allocation schemes to support…

信息论 · 计算机科学 2019-03-07 Taehyeun Park , Walid Saad

Artificial intelligence (AI) based downlink channel state information (CSI) prediction for frequency division duplexing (FDD) massive multiple-input multiple-output (MIMO) systems has attracted growing attention recently. However, existing…

信息论 · 计算机科学 2020-09-08 Yuwen Yang , Feifei Gao , Zhimeng Zhong , Bo Ai , Ahmed Alkhateeb

Internet-of-Things (IoT) refers to a high-density network of low-cost low-bitrate terminals and sensors where also low energy consumption is one central feature. As the power-budget of classical receiver chains is dominated by the…

信息论 · 计算机科学 2017-04-05 Ahmet Gokceoglu , Emil Bjornson , Erik Larsson , Mikko Valkama

Increasing Internet of Things (IoT) deployments present a growing surface over which villainous actors can carry out attacks. This disturbing revelation is amplified by the fact that a majority of IoT devices use weak or no encryption at…

信号处理 · 电气工程与系统科学 2023-05-09 Mohamed K. M. Fadul , Donald R. Reising , Lakmali P. Weerasena

With the rapid development of satellite communication technologies, the space-based access network has been envisioned as a promising complementary part of the future 6G network. Aside from terrestrial base stations, satellite nodes,…

信号处理 · 电气工程与系统科学 2022-07-26 Zhenyu Xiao , Junyi Yang , Tianqi Mao , Chong Xu , Rui Zhang , Zhu Han , Xiang-Gen Xia

To compensate the loss from outdated channel state information in wideband massive multiple-input multipleoutput (MIMO) systems, channel prediction can be performed by leveraging the temporal correlation of wireless channels. Machine…

信息论 · 计算机科学 2022-08-10 Beomsoo Ko , Hwanjin Kim , Junil Choi

Wireless links using massive MIMO transceivers are vital for next generation wireless communications networks networks. Precoding in Massive MIMO transmission requires accurate downlink channel state information (CSI). Many recent works…

信息论 · 计算机科学 2022-01-17 Mason del Rosario , Zhi Ding

Satellite systems face a significant challenge in effectively utilizing limited communication resources to meet the demands of ground network traffic, characterized by asymmetrical spatial distribution and time-varying characteristics.…

网络与互联网体系结构 · 计算机科学 2023-07-31 Sheikh Salman Hassan , Yu Min Park , Yan Kyaw Tun , Walid Saad , Zhu Han , Choong Seon Hong

Reaching all regions of Earth, low Earth orbit (LEO) satellites can harvest delay-tolerant data from remotely located users on Earth without ground infrastructure. This work aims to assess a data harvest network architecture where users…

信息论 · 计算机科学 2024-08-12 Chang-Sik Choi

Massive multiuser multiple-input multiple-output (MU-MIMO) has been the mainstream technology in fifth-generation wireless systems. To reduce high hardware costs and power consumption in massive MU-MIMO, low-resolution digital-to-analog…

信息论 · 计算机科学 2020-06-30 Hengtao He , Mengjiao Zhang , Shi Jin , Chao-Kai Wen , Geoffrey Ye Li

Recent advancements in low-Earth-orbit (LEO) satellites aim to bring resilience, ubiquitous, and high-quality service to future Internet infrastructure. However, the soaring number of space assets, increasing dynamics of LEO satellites and…

网络与互联网体系结构 · 计算机科学 2024-11-21 Peng Hu

Low earth orbit (LEO) satellite networks have the potential to provide low-latency communication with global coverage. To unleash this potential, it is crucial to achieve efficient packet delivery. In this paper, we propose a…

网络与互联网体系结构 · 计算机科学 2024-11-19 Hefan Zhang , Zhiyuan Wang , Shan Zhang , Qingkai Meng , Hongbin Luo