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相关论文: HARQ Retransmissions in C-V2X: A BSM Latency Analy…

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This paper presents a protocol that optimizes message dissemination in C-V2X technology, crucial for advancing intelligent transportation systems (ITS) aimed at enhancing road safety. As vehicle density and velocity rise, the volume of data…

网络与互联网体系结构 · 计算机科学 2024-10-08 Lanre Sadeeq , Qasim Ajao

With the ever-increasing number of connected vehicles in the fifth-generation mobile communication networks (5G) and beyond 5G (B5G), ensuring the reliability and high-speed demand of cellular vehicle-to-everything (C-V2X) communication in…

信号处理 · 电气工程与系统科学 2024-04-30 Luofang Jiao , Jiwei Zhao , Yunting Xu , Tianqi Zhang , Haibo Zhou , Dongmei Zhao

The secure transmission of confidential information in cellular vehicle-to-everything (C-V2X) communication networks is vitally important for user's personal safety. However, for C-V2X there have not been much studies on the physical layer…

信息论 · 计算机科学 2020-10-08 Chao Wang , Zan Li , Gen Xiang Xia , Jia Shi , Jiangbo Si , Yulong Zou

Wireless communication between road users is essential for environmental perception, reasoning, and mission planning to enable fully autonomous vehicles, and thus improve road safety and transport efficiency. To enable collaborative…

新兴技术 · 计算机科学 2024-10-15 Falk Dettinger , Matthias Weiß , Daniel Dittler , Johannes Stümpfle , Maurice Artelt , Michael Weyrich

Although terahertz (THz) communications can provide mobile broadband services, it usually has a large path loss and is vulnerable to antenna misalignment. This significantly degrades the reception reliability. To address this issue, the…

信息论 · 计算机科学 2022-09-29 Ziyang Song , Zheng Shi , Qingping Dou , Guanghua Yang , Yunfei Li , Shaodan Ma

Cellular (C) setups facilitate the connectivity amongst the devices with better provisioning of services to its users. Vehicular networks are one of the representative setups that aim at expanding their functionalities by using the…

网络与互联网体系结构 · 计算机科学 2019-09-18 Vishal Sharma , Jiyoon Kim , Yongho Ko , Ilsun You , Jung Taek Seo

The 3rd Generation Partnership Project (3GPP) defines the first specifications for cellular-based vehicle-to-everything (C-V2X) communications in Release 14. C-V2X extends LTE's device-to-device communication modes by adding two new modes…

信号处理 · 电气工程与系统科学 2018-07-26 Vuk Marojevic

Massive message transmissions, unpredictable aperiodic messages, and high-speed moving vehicles contribute to the complex wireless environment, resulting in inefficient resource collisions in Vehicle to Everything (V2X). In order to achieve…

网络与互联网体系结构 · 计算机科学 2025-11-03 Shuo Zhu , Siyu Lin

This paper investigates the usage of hybrid automatic repeat request (HARQ) protocols for power-efficient and reliable communications over free space optical (FSO) links. By exploiting the large coherence time of the FSO channel, the…

Backscatter communications (BC) has emerged as a promising technology for providing low-powered transmissions in nextG (i.e., beyond 5G) wireless networks. The fundamental idea of BC is the possibility of communications among wireless…

信号处理 · 电气工程与系统科学 2022-02-04 Wali Ullah Khan , Muhammad Ali Jamshed , Asad Mahmood , Eva Lagunas , Symeon Chatzinotas , Bjorn Ottersten

In this paper, we compare the performance of three different cooperative Hybrid Automatic Repeat reQuest (HARQ) protocols for slow-fading half-duplex orthogonal multiple access multiple relay channel. Channel State Information (CSI) is…

信号处理 · 电气工程与系统科学 2018-08-29 Stefan Cerović , Raphaël Visoz , Louis Madier

The efficient design of fifth generation (5G) mobile networks is driven by the need to support the dynamic proliferation of several vertical market segments. Considering the automotive sector, different Cellular Vehicle-to-Everything…

信号处理 · 电气工程与系统科学 2018-02-23 Mustafa Emara , Miltiades C. Filippou , Dario Sabella

This paper addresses the challenges of resource allocation in vehicular networks enhanced by Intelligent Reflecting Surfaces (IRS), considering the uncertain Channel State Information (CSI) typical of vehicular environments due to the…

信号处理 · 电气工程与系统科学 2025-04-17 Peng Wang , Weihua Wu

To improve the quality of experience (QoE) in video communication over lossy networks, this paper presents a transmission method that jointly optimizes buffer delay and Hybrid Automatic Repeat request (HARQ), referred to as BD-HARQ. This…

多媒体 · 计算机科学 2024-08-16 Baoping Cheng , Peng Lei , Xiaoyan Xie , Tao Fu , Yukun Zhang , Xiaoming Tao

Vehicle-to-Vehicle (V2V) communication networks enable safety applications via periodic broadcast of Basic Safety Messages (BSMs) or \textit{safety beacons}. Beacons include time-critical information such as sender vehicle's location, speed…

网络与互联网体系结构 · 计算机科学 2020-05-28 Biplav Choudhury , Vijay K Shah , Avik Dayal , Jeffrey H. Reed

The question of robust direct communication in vehicular networks is discussed. In most state-of-the-art approaches, there is no central entity controlling channel access, so there may be arbitrary interference from other parties. Thus, a…

信息论 · 计算机科学 2017-10-31 Christian Arendt , Janis Nötzel , Holger Boche

The 3rd Generation Partnership Project (3GPP) introduced Cellular Vehicle-to-Everything (C-V2X) as a novel technology for enabling sidelink vehicular communications. While a distributed scheduling scheme (i.e., C-V2X mode-4) has been…

信号处理 · 电气工程与系统科学 2021-02-24 Luis F. Abanto-Leon , Arie Koppelaar , Chetan B. Math , Sonia Heemstra de Groot

Cellular network technology based device-to-device communication attracts increasing attention for use cases such as the control of autonomous vehicles on the ground and in the air. LTE provides device-to-device communication options,…

网络与互联网体系结构 · 计算机科学 2018-06-26 Fabian Eckermann , Julian Freudenthal , Christian Wietfeld

In this paper, we investigate the performance of LTE Multicast-Broadcast Single-Frequency Networks (MBSFN). LTE-MBSFN is viewed as one of the most promising candidates for vehicular communications which can enhance reliability of vehicular…

信息论 · 计算机科学 2015-10-23 Illia Safiulin , Stefan Schwarz , Tal Philosof , Markus Rupp

The extreme requirements for high reliability and low latency in the upcoming Sixth Generation (6G) wireless networks are challenging the design of multi-hop wireless transport networks. Inspired by the advent of the virtualization concept…