面向下一代网络的近场通信:理论、应用与挑战

Near-Field Communication for Next-Generation Networks:Theory,Applications,and Challenges

从电磁理论出发,分析了近场通信不可忽视的电磁特性和波束特性,以及对现有通信系统性能的影响。利用近场效应,阐释了几种典型近场应用场景以及如何实现更高的性能指标。最后,为实现近场通信容量的提升,介绍了一些实现方法与架构,并对近场信道估计的两种技术进行展望,指出了未来研究方向。本研究可为未来近场通信的研究提供参考。

From the electromagnetic theory,the non-negligible electromagnetic and beam characteristics of the near-field are analyzed,as well as the impact on the performance of existing communication systems.Then,using the near-field effect,several typical near-field appli-cation scenarios and how to achieve higher performance indexes are elucidated.Finally,in order to improve the capacity of near-field com-munication,several implementation methods and architectures are introduced.Two technologies of near field channel estimation are pros-pected,and the future research direction is pointed out.This study serves as a reference for future research in near-field communication.