太赫兹无线组网：原理、现状与挑战

doi:10.11959/j.issn.1000-0801.2021122

Abstract

Abstract:

To achieve huge capacity, terahertz communication has become an important technical option for 6G.Application and performance requirements of terahertz communication in typical indoor and outdoor scenarios were introduced emphatically.Then, based on the requirements of terahertz wireless networking, the research progress of key technologies such as topology design, media access control (MAC) layer protocol and neighbor discovery were summarized in detail.Last but not least, the challenges of terahertz wireless networking were discussed, and the possible future research directions were described.

Key words: terahertz communication, networking, MAC

CLC Number:

TN925

Tianhang ZHOU, Chuang YANG, Zile LIU, Mugen PENG, Li YU. Terahertz wireless networking: principles, status and challenges[J]. Telecommunications Science, 2021, 37(6): 33-44.

Figures/Tables 10

References 11

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类别	场景	覆盖	速率	时延	连接性	目标BER
室内应用	信息淋浴^[7]	0.1～5 m	1 Tbit/s	秒级	点对点，点对多点	—
	太赫兹局域网	<50 m	达100 Gbit/s	<1 ms	点对点，点对多点，Ad Hoc	10^-6
	太赫兹个域网^[8]	<20 m	达100 Gbit/s	<1 ms	点对点，点对多点，Ad Hoc	10^-6
室外应用	微型超密集蜂窝网	10～15 m	>100 Gbit/s	毫秒级	点对多点	10^-10
	车联网和无人驾驶^[9]	>100 m	>100 Gbit/s	毫秒级	点对点，点对多点，Ad Hoc	—
	军事通信	>100 m	10～100 Gbit/s	毫秒级	点对点，点对多点，Ad Hoc	—
	空间组网^[10]	千米级	10～100 Gbit/s	秒级	点对点，点对多点	—

年份	参考文献	频段	拓扑	多址方式	邻居节点发现	仿真工具	性能指标
2014年	参考文献[17]	0.1～10 THz	分布式	TDMA	有	custom	数据速率、吞吐量
2017年	参考文献[8]	340 GHz	集中式	混合	有	OPNet	时延、吞吐量、队列溢出概率
	参考文献[18]	0.06～10 THz	集中式	固定、多频段	无	custom	吞吐量、数据速率、时延、中断概率
	参考文献[19]	2.4 GHz， 0.1～10 THz	分布式	随机、多频段	有	蒙特卡洛	时延、吞吐量、中断概率
	参考文献[20]	1.034 5 THz	分布式	CSMA	无	custom	吞吐量、最佳距离
2018年	参考文献[21]	0.1～10 THz	分布式	FTDMA	无	custom	均匀性、随机性、吞吐量、BER、汉明相关性
	参考文献[9]	毫米波， 0.1～10 THz	分布式	固定、多频段	无	custom	数据传输速率
2021年	参考文献[22]	1.04 THz	分布式	CSMA	无	NS-3	包传输成功概率、数据时延、吞吐量

Terahertz wireless networking: principles, status and challenges

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