一种用于多天线无线中继网络的新型计算和转发中继方法
Xuan Yang1, Jiaqi Yan1, Yonggang Xu1
1School of Information and Control Engineering, China University of Mining and Technology, Xuzhou 221116, China.
Entropy (Basel, Switzerland)
|November 24, 2023
概括
连续扩展计算和转发 (SECoF) 通过结合矩阵投影和干扰取消来增强无线中继网络. 这种新的方法提高了网络性能,克服了传统方法的局限性.
科学领域:
- 无线通信无线通信
- 网络编码 网络编码
- 信号处理 信号处理
背景情况:
- 传统的计算和转发 (CoF) 使接收器能够通过执行传输代码单词的整数组合来利用无线通信中的干扰.
- 现有的CoF方法面临挑战,包括等级失败,单个天线限制和最短向量问题,阻碍了复杂网络的性能.
- 需要先进的 CoF 策略来解决多源,多中继和多天线无线中继网络中的这些局限性.
研究的目的:
- 为先进的无线中继网络引入和分析一种新的连续扩展计算和转发 (SECoF) 策略.
- 为了克服传统的Cof的局限性,特别是价格退化和等级失败.
- 在计算速率,排名失败概率和中断概率方面提高整体网络性能.
主要方法:
- 通过整合矩阵投影和连续干扰取消技术开发了SECoF.
- 使用LLL基于格子的分辨率算法,为整数值系数向量找到近似解决方案.
- 为SECoF策略衍生出简洁的数学公式.
主要成果:
- 拟议的SECoF方法有效地克服了传统CoF固有的率趋于零和排名故障问题.
- 与现有的最先进的方法相比,SECoF表现出强大的稳定性,并显著提高了网络性能.
- 模拟结果验证了SECoF在计算速率,排名失败概率和中断概率方面的卓越性能.
结论:
- SECoF为多源,多中继和多天线无线中继网络提供了一种先进和有效的解决方案.
- 矩阵投影和连续干扰取消的整合为干扰利用提供了一个强大的框架.
- 在物理层网络编码方面,SECoF提供了显著的进步,提高了无线通信系统的效率和可靠性.
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