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Updated: Jul 19, 2025

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在OFDM系统中将检测与V2V通道上的虚拟载体相结合的最大比率
J Alberto Del Puerto-Flores1, Francisco R Castillo-Soria2, J Vázquez-Castillo3
1Facultad de Ingeniería, Universidad Panamericana, Álvaro del Portillo 49, Zapopan 45010, JAL, Mexico.
Sensors (Basel, Switzerland)
|August 12, 2023
概括
本研究介绍了用于车辆对车辆 (V2V) 通信的直角频率分割复杂化 (OFDM) 系统中的虚拟载波器 (VC). 这种方法显著提高了比特错误率 (BER) 性能,使用的是低复杂度检测器.
科学领域:
- 无线通信无线通信
- 信号处理 信号处理
背景情况:
- 车辆对车辆 (V2V) 通信系统面临着双重选择性通道和高载体间干扰 (ICI) 的挑战.
- 在V2V OFDM系统中减轻ICI的现有解决方案通常需要复杂的检测或降低光谱效率.
研究的目的:
- 在OFDM系统中使用虚拟载体 (VC) 提出一种新的方法,以提高V2V通信的比特错误率 (BER) 性能.
- 引入适用于实时V2V应用的低复杂度最大比率组合 (MRC) 探测器.
主要方法:
- 虚拟载波器 (VC) 在直角频率分割复杂化 (OFDM) 框架中的实现.
- 开发和应用一个低复杂度的最大比率组合 (MRC) 探测器.
主要成果:
- 与传统的OFDM系统相比,采用MRC检测的拟议VC-OFDM系统实现了至少5dB的多样性增长.
- 该探测器表现出线性复杂性,使其在实时V2V系统的计算效率高.
结论:
- 虚拟运营商 (VC) 有效地为V2V通信道提供多样化的接收数据.
- 拟议的具有VC的低复杂度MRC探测器为实时V2V OFDM系统提供了实用且高性能的解决方案.
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