蜂窝-V2X 网络中车对车通信的情境感知资源分配

IF 4.4 3区 计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS
Fuxin Zhang, Guangping Wang
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引用次数: 0

摘要

蜂窝车对物(C-V2X)网络为智能互联车辆(ICV)和智能交通系统(ITS)提供了重要支持。C-V2X 利用车对车 (V2V) 通信技术,在相邻车辆之间交换对安全至关重要的信息。V2V 通信具有严格的高可靠性和低延迟要求。现有的 V2V 通信资源分配方案主要依靠信道状态来优化资源利用率,但没有考虑车辆安全要求,无法满足安全应用性能。本文重点研究 V2V 通信中应用驱动的信道资源分配策略。首先,我们提出了一种包间接收模型,用于表示接收器连续成功接收两个数据包之间的延迟。然后,我们设计了一个特定于应用的效用函数,其效用取决于数据包接收性能和车辆安全环境。最后,我们将信道资源分配问题表述为一个非合作博弈模型。博弈模型可以引导每个节点进行合作,并在信道资源分配中实现公平与效率之间的权衡。仿真结果表明,我们的工作能显著提高 V2V 通信的可靠性,并保证车辆安全应用的性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Context-aware resource allocation for vehicle-to-vehicle communications in cellular-V2X networks

Cellular Vehicle-to-Everything (C-V2X) networks provide critical support for intelligently connected vehicles (ICVs) and intelligent transport systems (ITS). C-V2X utilizes vehicle-to-vehicle (V2V) communication technology to exchange safety–critical information among neighbors. V2V communication has stringent high-reliability and low-latency requirements. The existing solutions on resource allocation for V2V communications mainly rely on channel states to optimize resource utilization but fail to consider vehicle safety requirements, which cannot satisfy safety application performance. In this paper, we focus on application-driven channel resource allocation strategy for V2V communications. First, we propose an inter-packet reception model to represent the delay between two consecutive and successful reception packets at a receiver. We then design an application-specific utility function where the utility depends on the packet reception performance and vehicle safety context. Finally, we formulate the channel resource allocation problem as a non-cooperative game model. The game model can guide each node to cooperate and achieve the trade-off between fairness and efficiency in channel resource allocation. The simulation results show that our work can significantly improve the reliability of V2V communications and guarantee the vehicle safety application performance.

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来源期刊
Ad Hoc Networks
Ad Hoc Networks 工程技术-电信学
CiteScore
10.20
自引率
4.20%
发文量
131
审稿时长
4.8 months
期刊介绍: The Ad Hoc Networks is an international and archival journal providing a publication vehicle for complete coverage of all topics of interest to those involved in ad hoc and sensor networking areas. The Ad Hoc Networks considers original, high quality and unpublished contributions addressing all aspects of ad hoc and sensor networks. Specific areas of interest include, but are not limited to: Mobile and Wireless Ad Hoc Networks Sensor Networks Wireless Local and Personal Area Networks Home Networks Ad Hoc Networks of Autonomous Intelligent Systems Novel Architectures for Ad Hoc and Sensor Networks Self-organizing Network Architectures and Protocols Transport Layer Protocols Routing protocols (unicast, multicast, geocast, etc.) Media Access Control Techniques Error Control Schemes Power-Aware, Low-Power and Energy-Efficient Designs Synchronization and Scheduling Issues Mobility Management Mobility-Tolerant Communication Protocols Location Tracking and Location-based Services Resource and Information Management Security and Fault-Tolerance Issues Hardware and Software Platforms, Systems, and Testbeds Experimental and Prototype Results Quality-of-Service Issues Cross-Layer Interactions Scalability Issues Performance Analysis and Simulation of Protocols.
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