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Clock synchronization is highly desirable in distributed systems, including many applications in the Internet of Things and Humans (IoTH). It improves the efficiency, modularity and scalability of the system, and optimizes use of event…

分布式、并行与集群计算 · 计算机科学 2016-04-11 Sabarish Sridhar , Prasant Misra , Gurinder Singh Gill , Jay Warrior

As the standardization of sixth generation (6G) wireless systems accelerates, there is a growing consensus in favor of evolutionary waveforms that offer new features while maximizing compatibility with orthogonal frequency division…

信号处理 · 电气工程与系统科学 2026-02-17 Hyeon Seok Rou , Vincent Savaux , Zeping Sui , Giuseppe Thadeu Freitas de Abreu , Zilong Liu

In this article, we propose a space spreading-assisted framework that leverages either time or frequency diversity or both to reduce interference and signal loss owing to channel impairments and facilitate the efficient operation of…

信息论 · 计算机科学 2022-12-06 ndrakshi Dey , Nicola Marchetti

Bluetooth Low Energy (BLE) is a short-range wireless communication technology for resource-constrained IoT devices. Unfortunately, BLE is vulnerable to session-based attacks, where previous packets construct exploitable conditions for…

密码学与安全 · 计算机科学 2024-05-29 Xijia Che , Yi He , Xuewei Feng , Kun Sun , Ke Xu , Qi Li

The rise of mobile devices with abundant sensory data and local computing capabilities has driven the trend of federated learning (FL) on these devices. And personalized FL (PFL) emerges to train specific deep models for each mobile device…

分布式、并行与集群计算 · 计算机科学 2024-01-30 Xiaochen Li , Sicong Liu , Zimu Zhou , Bin Guo , Yuan Xu , Zhiwen Yu

When Bluetooth devices come within the range of another, an electronic conversation takes place to determine whether the devices in range are known or whether one needs to control the other. Most Bluetooth devices do not require any form of…

密码学与安全 · 计算机科学 2010-03-10 Ms. A. Rathika , Ms. R. Saranya , Ms. R. Iswarya

Federated Learning (FL) is a privacy-preserving distributed learning paradigm designed to build a highly accurate global model. In Mobile Edge IoT (MEIoT), the training and communication processes can significantly deplete the limited…

机器学习 · 计算机科学 2024-12-06 Zehao Ju , Tongquan Wei , Fuke Shen

We present a method, referred to as Deep Harmonic Finesse (DHF), for separation of non-stationary quasi-periodic signals when limited data is available. The problem frequently arises in wearable systems in which, a combination of…

图像与视频处理 · 电气工程与系统科学 2024-07-03 Mahya Saffarpour , Kourosh Vali , Weitai Qian , Begum Kasap , Herman L. Hedriana , Soheil Ghiasi

The advancement to 6G calls for waveforms that transcend static robustness to achieve intelligent adaptability. Affine Frequency Division Multiplexing (AFDM), despite its strength in doubly-dispersive channels, has been confined by chirp…

信息论 · 计算机科学 2025-12-17 Yewen Cao , Yulin Shao

The use of extremely high frequency (EHF) or millimeter-wave (mmWave) band has attracted significant attention for the next generation wireless access networks. As demonstrated by recent measurements, mmWave frequencies render themselves…

On demand sensing is emerging as a key paradigm in Internet of Things (IoT) systems, where devices remain in low power states and transmit data only upon event triggers. Such an operation requires wireless communication schemes that provide…

系统与控制 · 电气工程与系统科学 2026-04-09 Ziyao Zhou , Chen Shen , Sicong Shen , Hen-Wei Huang

Binary exponential backoff (BEB) is a decades-old algorithm for coordinating access to a shared channel. In modern networks, BEB plays an important role in WiFi (IEEE 802.11) and other wireless communication standards. Despite this track…

分布式、并行与集群计算 · 计算机科学 2021-10-12 William C. Anderton , Trisha Chakraborty , Maxwell Young

Numerous antenna design approaches for wearable applications have been investigated in the literature. As on-body wearable communications become more ingrained in our daily activities, the necessity to investigate the impacts of these…

信号处理 · 电气工程与系统科学 2020-03-04 Imtiaz Nasim , Seungmo Kim

Wireless capsule endoscopy (WCE) is fundamentally constrained by limited wireless bandwidth, resulting in low imaging resolution and frame rate, which can cause motion blur and missed lesions. Although adaptive frame-rate schemes have been…

系统与控制 · 电气工程与系统科学 2026-01-28 Ziyao Zhou , Zhuoran Sun , Chen Shen , Xinyi Shen , Zhehao Lu , Sikkandar , Hen-Wei Huang

Energy harvesting is a promising solution to prolong the operation of energy-constrained wireless networks. In particular, scavenging energy from ambient radio signals, namely wireless energy harvesting (WEH), has recently drawn significant…

信息论 · 计算机科学 2012-11-01 Liang Liu , Rui Zhang , Kee-Chaing Chua

This paper addresses an interference channel consisting of $\mathbf{n}$ active users sharing $u$ frequency sub-bands. Users are asynchronous meaning there exists a mutual delay between their transmitted codes. A stationary model for…

信息论 · 计算机科学 2010-06-17 Kamyar Moshksar , Amir K. Khandani

Frequency hopping (FH) is an effective anti-jamming technology in cognitive radio networks (CRNs). However, it is difficult to significantly increase the anti-jamming results because of the growing crowded spectrum in wireless…

信号处理 · 电气工程与系统科学 2019-03-07 Wenchi Cheng , Zan Li , Feifei Gao , Liping Liang , Hailin Zhang

Massive Multiple-Input Multiple-Output systems with beamforming are key components of the 5th and the future 6th generation of networks. However, in some cases, where the BS serves the same user for a long period, and in some propagation…

信号处理 · 电气工程与系统科学 2022-06-15 Nour Awarkeh , Dinh-Thuy Phan-Huy , Marco Di Renzo

Distributed learning on edge devices has attracted increased attention with the advent of federated learning (FL). Notably, edge devices often have limited battery and heterogeneous energy availability, while multiple rounds are required in…

信号处理 · 电气工程与系统科学 2023-09-13 Rafael Valente da Silva , Onel L. Alcaraz López , Richard Demo Souza

This article evaluates the quality-of-service performance and scalability of the recently released Bluetooth Mesh protocol and provides general guidelines on its use and configuration. Through extensive simulations, we analyzed the impact…

信息论 · 计算机科学 2019-10-09 Raúl Rondón , Aamir Mahmood , Simone Grimaldi , Mikael Gidlund