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Low-power wide-area network technologies such as LoRaWAN are promising for collecting low-rate monitoring data from geographically distributed sensors, in which timestamping the sensor data is a critical system function. This paper…

网络与互联网体系结构 · 计算机科学 2021-07-13 Chaojie Gu , Linshan Jiang , Rui Tan , Mo Li , Jun Huang

The recent advancement of the Internet of Things (IoT) enables the possibility of data collection from diverse environments using IoT devices. However, despite the rapid advancement of low-power communication technologies, the deployment of…

This paper proposes and demonstrates a PHY-layer design of a real-time prototype that supports Ultra-Reliable Communication (URC) in wireless infrastructure networks. The design makes use of Orthogonal Frequency Division Multiple Access…

网络与互联网体系结构 · 计算机科学 2021-09-03 Jiaxin Liang , Soung Chang Liew

Decentralized federated learning (DFL) based on low-rank adaptation (LoRA) enables mobile devices with multi-task datasets to collaboratively fine-tune a large language model (LLM) by exchanging locally updated parameters with a subset of…

机器学习 · 计算机科学 2026-02-25 Nuocheng Yang , Sihua Wang , Ouwen Huan , Mingzhe Chen , Tony Q. S. Quek , Changchuan Yin

Long range radio communication is preferred in many IoT deployments as it avoids the complexity of multi-hop wireless networks. LoRa is a popular, energy-efficient wireless modulation but its networking substrate LoRaWAN introduces severe…

网络与互联网体系结构 · 计算机科学 2022-12-05 José Álamos , Peter Kietzmann , Thomas Schmidt , Matthias Wählisch

This paper presents LoRa-ICN, a comprehensive IoT networking system based on a common long-range communication layer (LoRa) combined with Information-Centric Networking (ICN) principles. We have replaced the LoRaWAN MAC layer with an IEEE…

网络与互联网体系结构 · 计算机科学 2022-10-21 Peter Kietzmann , Jose Alamos , Dirk Kutscher , Thomas C. Schmidt , Matthias Wählisch

Non-orthogonal multiple access (NOMA) exploits the potential of the power domain to enhance the connectivity for the Internet of Things (IoT). Due to time-varying communication channels, dynamic user clustering is a promising method to…

信息论 · 计算机科学 2021-03-10 Waleed Ahsan , Wenqiang Yi , Zhijin Qin , Yuanwei Liu , Arumugam Nallanathan

This paper investigates the throughput for wireless network with full-duplex radios using stochastic geometry. Full-duplex (FD) radios can exchange data simultaneously with each other. On the other hand, the downside of FD transmission is…

信息论 · 计算机科学 2015-02-27 Zhen Tong , Martin Haenggi

A whole suite of innovative technologies and architectures have emerged in response to the rapid growth of wireless traffic. This paper studies an integrated network design that boosts system capacity through cooperation between wireless…

信息论 · 计算机科学 2022-12-22 Trinh Van Chien , Eva Lagunas , Tiep M. Hoang , Symeon Chatzinotas , Björn Ottersten , Lajos Hanzo

Low-Power Wide Area Networks (LPWAN) play a key role in the IoT marketplace wherein LoRaWAN is considered a leading solution. Despite the traction of LoRaWAN, research shows that the current contention management mechanisms of LoRaWAN do…

网络与互联网体系结构 · 计算机科学 2020-02-19 Stéphane Delbruel , Nicolas Small , Emekcan Aras , Jonathan Oostvogels , Danny Hughes

Federated fine-tuning (FedFT) has been proposed to fine-tune the pre-trained language models in a distributed manner. However, there are two critical challenges for efficient FedFT in practical applications, i.e., resource constraints and…

分布式、并行与集群计算 · 计算机科学 2024-12-31 Jun Liu , Yunming Liao , Hongli Xu , Yang Xu , Jianchun Liu , Chen Qian

Long range, low power networks are rapidly gaining acceptance in the Internet of Things (IoT) due to their ability to economically support long-range sensing and control applications while providing multi-year battery life. LoRa is a key…

网络与互联网体系结构 · 计算机科学 2017-12-07 Emekcan Aras , Nicolas Small , Gowri Sankar Ramachandran , Stéphane Delbruel , Wouter Joosen , Danny Hughes

Future wireless communications systems are expected to support multi-service operation, i.e. especially multi-rate as well as multi-level quality of service (QoS) requirements. This evolution is mainly driven by the success of the Internet…

信号处理 · 电气工程与系统科学 2018-01-15 Michael Karrenbauer , Andreas Weinand , Hans D. Schotten

IoT systems complexity and susceptibility to failures pose significant challenges in ensuring their reliable operation Failures can be internally generated or caused by external factors impacting both the systems correctness and its…

In this paper, a novel environmental mapping method is proposed to outline the indoor layout utilizing the line-of-sight (LoS) state information of extremely large aperture array (ELAA) channels. It leverages the spatial resolution provided…

信息论 · 计算机科学 2025-02-17 Jiuyu Liu , Chunmei Xu , Yi Ma , Rahim Tafazolli , Ahmed Elzanaty

Coherent Optical Orthogonal Frequency Division Multiplexing (CO-OFDM) based Elastic Optical Network (EON) is one of the emerging technologies being considered for next generation high data rate optical network systems. Routing and Spectrum…

网络与互联网体系结构 · 计算机科学 2017-09-15 Sadananda Behera , Jithin George , Goutam Das

The ergodic rate performance and limits of orthogonal frequency-division multiple access (OFDMA) cognitive radios (CRs) is studied under imperfect cross-link knowledge. We propose a novel stochastic interference management and exploitation…

信息论 · 计算机科学 2017-11-21 H. Saki , A. Shojaeifard , M. M. Mahyari , M. Shikh-Bahaei

In this paper, we investigate the resource allocation for uplink non-orthogonal multiple access (NOMA) enabled low-power wide-area (LPWA) networks to support the massive connectivity of users/nodes. Here, LPWA nodes communicate with a…

信号处理 · 电气工程与系统科学 2019-10-01 Kaihan Li , Fatma Benkhelifa , Julie McCann

Artificial intelligence-generated traffic is changing the shape of wireless networks. Specifically, as the amount of data generated to train machine learning models is massive, network resources must be carefully allocated to continue…

网络与互联网体系结构 · 计算机科学 2026-02-03 Giovanni Perin , Eunjeong Jeong , Nikolaos Pappas

The Internet of Things (IoT) has started to empower the future of many industrial and mass-market applications. Localization techniques are becoming key to add location context to IoT data without human perception and intervention.…

网络与互联网体系结构 · 计算机科学 2020-10-06 You Li , Yuan Zhuang , Xin Hu , Zhouzheng Gao , Jia Hu , Long Chen , Zhe He , Ling Pei , Kejie Chen , Maosong Wang , Xiaoji Niu , Ruizhi Chen , John Thompson , Fadhel Ghannouchi , Naser El-Sheimy