在基于索引调制的MIMO网络中,增强的信号空间辅助了基于媒体的调制
Jianrong Huang1, Bitie Lan1, Guowei Li1
1School of Electronic Information and Artificial Intelligence, Wuzhou University, Wuzhou, 543003, China.
Scientific reports
|October 21, 2025
概括
这项研究将索引调制 (IM) 与基于媒体的调制 (MBM) 整合在一起,以提高无线通信的可靠性. 拟议的ESIM-MBM和ESS-TTAs-MBM方案显著提高了频谱效率和错误性能.
科学领域:
- 无线通信无线通信
- 信号处理 信号处理
- 信息理论 信息理论
背景情况:
- 索引调制 (IM) 利用天线索引 (AI) 进行增强的数据传输.
- 基于媒体的调制 (MBM) 使用通道指数 (CI) 在分散环境中提高通信可靠性.
- 现有的MIMO-IM系统可以从集成调制技术中受益.
研究的目的:
- 调查IM和MBM的集成,以同时传输AI和CI信息.
- 提出和分析新的方案:使用MBM (ESIM-MBM) 扩展空间指数调制和使用两个主动传输天线辅助的MBM (ESS-TTAs-MBM) 增强信号空间.
- 为了提高MIMO-IM系统的光谱效率 (SE) 和错误性能.
主要方法:
- 通过使用AI和CI领域通过Kronecker产品调节符号来开发ESIM-MBM.
- 通过结合QAM星座来扩大信号空间和增强人工智能信息,提出了ESS-TTAs-MBM.
- 使用最大概率 (ML) 分析了检测复杂性,并制定了理论平均比特错误概率 (BEP).
主要成果:
- 与现有的基于MBM的IM方案相比,ESIM-MBM和ESS-TTAs-MBM在SE和位错性能方面取得了显著的改进.
- 理论上的BEP配方与蒙特卡洛模拟结果非常相匹配.
- 拟议的方案显示在高SNR地区的各种发射天线 (TA) 和频谱效率 (SE) 中的优异性能.
结论:
- IM和MBM的整合为下一代无线通信提供了一个有希望的方法.
- 拟议的ESIM-MBM和ESS-TTAs-MBM方案有效地提高了频谱效率和通信可靠性.
- 这些先进的调制技术对于未来的高性能无线系统至关重要.
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