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Channel splicing is a rather new and very promising concept. It allows to realize a wideband channel sounder by combining multiple narrow-band measurements. Among others, channel splicing is a sparse sensing techniques suggested for use in…

网络与互联网体系结构 · 计算机科学 2023-05-10 Sigrid Dimce , Anatolij Zubow , Alireza Bayesteh , Giuseppe Caire , Falko Dressler

The integration of Large Language Models (LLMs) with Internet-of-Things (IoT) systems faces significant challenges in hardware heterogeneity and control complexity. The Model Context Protocol (MCP) emerges as a critical enabler, providing…

分布式、并行与集群计算 · 计算机科学 2025-10-03 Ningyuan Yang , Guanliang Lyu , Mingchen Ma , Yiyi Lu , Yiming Li , Zhihui Gao , Hancheng Ye , Jianyi Zhang , Tingjun Chen , Yiran Chen

Wireless Sensor Networks (WSNs) play a pivotal role in enabling Internet of Things (IoT) devices with sensing and actuation capabilities. Operating in remote and resource-constrained environments, these IoT devices face challenges related…

网络与互联网体系结构 · 计算机科学 2025-03-20 F. Fernando Jurado-Lasso , J. F. Jurado , Xenofon Fafoutis

Channel state information (CSI) is of pivotal importance as it enables wireless systems to adapt transmission parameters more accurately, thus improving the system's overall performance. However, it becomes challenging to acquire accurate…

信号处理 · 电气工程与系统科学 2022-08-12 Muhammad Karam Shehzad , Luca Rose , Muhammad Furqan Azam , Mohamad Assaad

We propose a novel framework for integrated communication and computing (ICC) transceiver design in time-varying millimeter-wave (mmWave) channels. In particular, in order to cope with the dynamics of time-varying mmWave channels, the…

信号处理 · 电气工程与系统科学 2025-09-10 Joan Çollaku , Kuranage Roche Rayan Ranasinghe , Giuseppe Thadeu Freitas de Abreu , Takumi Takahashi

In wireless communication, accurate channel state information (CSI) is of pivotal importance. In practice, due to processing and feedback delays, estimated CSI can be outdated, which can severely deteriorate the performance of the…

信号处理 · 电气工程与系统科学 2021-04-02 Muhammad Karam Shehzad , Luca Rose , Mohamad Assaad

Today we can use technologies like switched Ethernet, TCP/IP, high-speed wide area networks, and high-performance low-cost computers very easily. However, protocols designed for those communication are inefficient or not energy efficient.…

网络与互联网体系结构 · 计算机科学 2019-02-07 Nasr Al-Zaben , Md Mehedi Hassan Onik , Chul-Soo Kim , Jinhong Yang

Accurate cross-band channel prediction is essential for 6G networks, particularly in the upper mid-band (FR3, 7-24 GHz), where penetration loss and blockage are severe. Although ray tracing (RT) provides high-fidelity modeling, it remains…

信息论 · 计算机科学 2026-01-30 Fan-Hao Lin , Chi-Jui Sung , Chu-Hsiang Huang , Hui Chen , Chao-Kai Wen , Henk Wymeersch

The ever-developing Internet of Things (IoT) brings the prosperity of wireless sensing and control applications. In many scenarios, different wireless technologies coexist in the shared frequency medium as well as the physical space. Such…

网络与互联网体系结构 · 计算机科学 2022-04-04 Yuan He , Xiuzhen Guo , Xiaolong Zheng , Zihao Yu , Jia Zhang , Haotian Jiang , Xin Na , Jiacheng Zhang

Using commodity WiFi data for applications such as indoor localization, object identification and tracking and channel sounding has recently gained considerable attention. We study the problem of channel impulse response (CIR) estimation…

A new wave of wireless services, including virtual reality, autonomous driving and internet of things, is driving the design of new generations of wireless systems to deliver ultra-high data rates, massive number of connected devices and…

信息论 · 计算机科学 2019-12-24 Zhenyu Liu , Lin Zhang , Zhi Ding

Channel state information (CSI) acquisition is a significant bottleneck in the design of Massive MIMO wireless systems, due to the length of the training sequences required to distinguish the antennas (in the downlink) and the users (for…

信息论 · 计算机科学 2016-09-12 Beatrice Tomasi , Alexis Decurninge , Maxime Guillaud

In modern wireless communication systems, the effective processing of Channel State Information (CSI) is crucial for enhancing communication quality and reliability. However, current methods often handle different tasks in isolation,…

信号处理 · 电气工程与系统科学 2025-02-27 Jun Jiang , Wenjun Yu , Yuan Gao , Shugong Xu

Massive multiple-input multiple-output (MIMO) systems need to support massive connectivity for the application of the Internet of things (IoT). The overhead of channel state information (CSI) acquisition becomes a bottleneck in the system…

信息论 · 计算机科学 2017-07-31 Ruichen Deng , Zhiyuan Jiang , Sheng Zhou , Zhisheng Niu

We investigate the activity detection and channel estimation issues for cell-free Internet of Things (IoT) networks with massive random access. In each time slot, only partial devices are active and communicate with neighboring access…

信息论 · 计算机科学 2021-09-29 Xinhua Wang , Alexei Ashikhmin , Zhicheng Dong , Chao Zhai

In the expanding field of the Internet of Things (IoT), wireless channel estimation is a significant challenge. This is specifically true for low-power IoT (LP-IoT) communication, where efficiency and accuracy are extremely important. This…

信号处理 · 电气工程与系统科学 2024-04-25 Samrah Arif , M. Arif Khan , Sabih Ur Rehman

Wi-Fi sensing is an emerging technology that uses channel state information (CSI) from ambient Wi-Fi signals to monitor human activity without the need for dedicated sensors. Wi-Fi sensing does not only represent a pivotal technology in…

网络与互联网体系结构 · 计算机科学 2025-05-07 Paolo Cerutti , Fabio Palmese , Marco Cominelli , Alessandro E. C. Redondi

In this paper, we investigate the issue of integrated sensing, computation and communication (SCC) in beyond fifth-generation (B5G) cellular internet of things (IoT) networks. According to the characteristics of B5G cellular IoT, a…

信息论 · 计算机科学 2020-09-17 Qiao Qi , Xiaoming Chen , Caijun Zhong , Zhaoyang Zhang

In recent years, numerous large-scale cyberattacks have exploited Internet of Things (IoT) devices, a phenomenon that is expected to escalate with the continuing proliferation of IoT technology. Despite considerable efforts in attack…

密码学与安全 · 计算机科学 2024-08-27 Alaeddine Diaf , Abdelaziz Amara Korba , Nour Elislem Karabadji , Yacine Ghamri-Doudane

For intelligent reflecting surface (IRS)-aided wireless communications, channel estimation is essential and usually requires excessive channel training overhead when the number of IRS reflecting elements is large. The acquisition of…

信号处理 · 电气工程与系统科学 2022-03-14 Yi Wei , Ming-Min Zhao , An Liu , Min-Jian Zhao