对于6G卫星-地面综合通信系统的随机访问序言设计
Min Hua1, Zhongqiu Wu1, Cong Zhang1
1The College of Information Science and Technology & Artificial Intelligence, Nanjing Forestry University, Nanjing 210037, China.
Sensors (Basel, Switzerland)
|September 13, 2025
概括
本研究介绍了卫星-地面综合通信系统 (STICS) 的新序言设计,以克服6G无线网络的挑战. 拟议的解决方案增强了物联网 (IoT) 大规模部署的随机访问.
科学领域:
- 无线通信无线通信
- 电信工程 电信工程 电信工程
- 信号处理 信号处理
背景情况:
- 下一代 (6G) 无线网络旨在通过卫星-地面集成通信系统 (STICS) 实现无处不在的连接.
- 在各种环境 (远程,易发生灾害) 中大规模部署物联网 (IoT) 需要强大的网络进入机制.
- 传统的陆地随机接入信号在STICS中面临重大挑战,原因是卫星的特点,如延迟和频率偏移.
研究的目的:
- 分析6G STICS中当前陆地序言设计的局限性.
- 为STICS提出一种新的序言设计,可以抵抗载波频率偏移 (CFO).
- 开发一个根集合选择算法,用于在STICS中扩展随机访问信号池.
主要方法:
- 对适应STICS的陆地序言设计 (例如Zadoff-Chu序列) 的挑战进行分析.
- 开发和描述一个对CFO抗性序言设计及其检测程序.
- 介绍一个根集合选择算法,用于生成各种随机访问信号.
主要成果:
- 确定了传统Zadoff-Chu序列对于6G STICS随机访问的不适合性.
- 提出了一个新的序言设计,专门针对STICS环境中的CFO.
- 开发了一种算法来扩大大规模物联网的随机访问信号池.
结论:
- 拟议的CFO抗性序言设计对于在6G STICS中实现可靠的随机访问至关重要.
- 根集选择算法支持大规模物联网设备访问的可扩展性.
- 分析框架为STICS未来的绩效评估提供了基础.
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