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Massive Internet of Things (mIoT) has provided an auspicious opportunity to build powerful and ubiquitous connections that faces a plethora of new challenges, where cellular networks are potential solutions due to their high scalability,…

信息论 · 计算机科学 2018-07-05 Nan Jiang , Yansha Deng , Xin Kang , Arumugam Nallanathan

Massive machine type communication (mMTC) has been identified as an important use case in Beyond 5G networks and future massive Internet of Things (IoT). However, for the massive multiple access in mMTC, there is a serious access preamble…

信息论 · 计算机科学 2021-02-26 Gaofeng Cheng , Huan Chen , Pingzhi Fan , Li Li , Li Hao

This paper investigates a new model to improve the scalability of low-power long-range (LoRa) networks by allowing multiple end devices (EDs) to simultaneously communicate with multiple multi-antenna gateways on the same frequency band and…

信号处理 · 电气工程与系统科学 2021-11-22 The Khai Nguyen , Ha H. Nguyen , Ebrahim Bedeer

We propose a novel random access (RA) protocol that accounts for the network traffic in mixed URLLC-mMTC scenarios. By considering an IoT environment under high mMTC traffic demand, we model the traffic of each service using realistic…

信号处理 · 电气工程与系统科学 2024-02-14 Herman L. dos Santos , João H. I. Souza , José Carlos Marinello , Taufik Abrão

The Internet of Things (IoT) is large-scale by nature. This is not only manifested by the large number of connected devices, but also by the high volumes of traffic that must be accommodated. Cellular networks are indeed a natural candidate…

信息论 · 计算机科学 2016-07-13 Mohammad Gharbieh , Hesham ElSawy , Ahmed Bader , Mohamed-Slim Alouini

The connectivity of public-safety mobile users (MU) in the co-existence of a public-safety network (PSN), unmanned aerial vehicles (UAVs), and LTE-based railway networks (LRN) needs a thorough investigation. UAVs are deployed as mobile base…

信号处理 · 电气工程与系统科学 2023-01-25 Ishtiaq Ahmad , Aftab Hussain

A canonical scenario in Machine-Type Communications (MTC) is the one featuring a large number of devices, each of them with sporadic traffic. Hence, the number of served devices in a single LTE cell is not determined by the available…

信息论 · 计算机科学 2015-12-01 Jimmy J. Nielsen , Dong Min Kim , Germán C. Madueño , Nuno K. Pratas , Petar Popovski

Internet of Things (IoT) has triggered a rapid increase in the number of connected devices and new use cases of wireless communications. To meet the new demands, the fifth generation (5G) of wireless communication systems features native…

信号处理 · 电气工程与系统科学 2021-05-28 Leatile Marata , Onel Luis Alcaraz López , Eduardo Noboro Tominaga , Hirley Alves

With increasing urban traffic complexity, Traffic Signal Control (TSC) is essential for optimizing traffic flow and improving road safety. Large Language Models (LLMs) emerge as promising approaches for TSC. However, they are prone to…

人工智能 · 计算机科学 2025-10-31 Xinhang Li , Qing Guo , Junyu Chen , Zheng Guo , Shengzhe Xu , Lei Li , Lin Zhang

Unmanned aerial vehicles (UAVs) are expected to be an integral part of wireless networks, and determining collision-free trajectory in multi-UAV non-cooperative scenarios while collecting data from distributed Internet of Things (IoT) nodes…

信号处理 · 电气工程与系统科学 2023-12-12 Xueyuan Wang , M. Cenk Gursoy , Tugba Erpek , Yalin E. Sagduyu

NarrowBand-Internet of Things (NB-IoT) is a new 3GPP radio access technology designed to provide better coverage for Low Power Wide Area (LPWA) networks. To provide reliable connections with extended coverage, a repetition transmission…

信号处理 · 电气工程与系统科学 2020-09-16 Yan Liu , Yansha Deng , Nan Jiang , Maged Elkashlan , Arumugam Nallanathan

Feasibility of using unlicensed spectrum for ultra reliable low latency communications (URLLC) is still a question for beyond 5G wireless networks. Low latency access to the channel and efficiently sharing spectrum among the multiple users…

信息论 · 计算机科学 2022-06-15 Irshad A. Meer , Woong-Hee Lee , Mustafa Ozger , Cicek Cavdar , Ki Won Sung

Alternative navigation technology to global navigation satellite systems (GNSSs) is required for unmanned ground vehicles (UGVs) in multipath environments (such as urban areas). In urban areas, long-term evolution (LTE) signals can be…

信号处理 · 电气工程与系统科学 2020-12-17 Halim Lee , Jiwon Seo

The ever-evolving landscape of wireless communication technologies has led to the development of 5G-NR (5G New Radio) networks promising higher data rates and lower latency. However, with these advancements come challenges in managing…

信号处理 · 电气工程与系统科学 2024-08-27 Desire Guel , Pegdwindé Justin Kouraogo , Boureima Zerbo , Elie Jephte Yaro

Current wireless infrastructure is optimized to support downlink applications. This paper anticipates the emergence of applications where engineering focus shifts from downlink to uplink. The current paradigm of scheduling users on reserved…

信号处理 · 电气工程与系统科学 2025-01-14 Sandesh Rao Mattu , Beyza Dabak , Venkatesh Khammammetti , Robert Calderbank

With the increasing number of Internet of Things (IoT) devices, Machine Type Communication (MTC) has become an important use case of the Fifth Generation (5G) communication systems. Since MTC devices are mostly disconnected from Base…

网络与互联网体系结构 · 计算机科学 2022-01-14 Junseok Kim , Seongwon Kim , T. Taleb , Sunghyun Choi

LTE is increasingly seen as a system for serving real-time Machine-to-Machine (M2M) communication needs. The asynchronous M2M user access in LTE is obtained through a two-phase access reservation protocol (contention and data phase).…

信息论 · 计算机科学 2013-06-12 Henning Thomsen , Nuno K. Pratas , Cedomir Stefanovic , Petar Popovski

This work considers uplink asynchronous massive machine-type communications, where a large number of low-power and low-cost devices asynchronously transmit short packets to an access point equipped with multiple receive antennas. If…

信息论 · 计算机科学 2025-07-22 Z. Shao , X. Yuan , R. de Lamare

Cooperative inference in Mobile Edge Computing (MEC), achieved by deploying partitioned Deep Neural Network (DNN) models between resource-constrained user equipments (UEs) and edge servers (ESs), has emerged as a promising paradigm.…

分布式、并行与集群计算 · 计算机科学 2023-10-20 Xinrui Ye , Yanzan Sun , Dingzhu Wen , Guanjin Pan , Shunqing Zhang

Low earth orbit (LEO) satellite constellation-enabled communication networks are expected to be an important part of many Internet of Things (IoT) deployments due to their unique advantage of providing seamless global coverage. In this…