下一代毫米波无线局域网：愿景与关键使能技术

doi:10.11959/j.issn.2096-3750.2023.00354

Abstract

Abstract:

With the rapid development and wide applications of information and communication technologies, human production and life and social governance are evolving in the direction of digitizing, informatization, and intelligence.As one of the most widely applied wireless communication technologies, the wireless local area network (WLAN) needs to make further breakthroughs in the key performance such as data throughput, reliability, and latency and needs to add sensing functions and intelligence.The huge frequency resources of the millimeter wave (mmWave) band have injected new momentum into the development of WLAN.But the mmWave WLAN has also brought new technical challenges and requirements.Firstly, the WLAN development history was reviewed, and network structures, typical applications, development directions, and performance index requirements of WLAN in the future were summarized.Then, the characteristics of wireless channels in the mmWave band were given, and the new requirements and challenges for mmWave WLAN design were analyzed.Finally, some potential key technologies that may meet these challenges and requirements were discussed and prospected.

Key words: WLAN, mmWave, centralized/cloud wireless-optical access network, distributed network architecture, integrated sensing and communications

CLC Number:

TN92/TP393

Min FAN, Siyuan SHAO, Chao HE, Xiang WANG, Haiming WANG. Next-generation mmWave WLAN: vision and key enabling technologies[J]. Chinese Journal on Internet of Things, 2023, 7(3): 1-14.

Figures/Tables 3

References 78

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标准	IEEE 802.11g	IEEE 802.11n	IEEE 802.11ac	IEEE 802.11ax	IEEE 802.11ad	下一代毫米波WLAN
工作频率/GHz	2.4	2.4/5	5	2.4/5	60	45/60
最大信道带宽/MHz	20	40	160	160	2 160	＞4 000
峰值速率/(bit·s^-1)	54 M	600 M	6.8 G	9.6 G	7G	＞100 G
频谱效率/( bit·s^-1·Hz^-1)	2.7	15	40	60	6	10
能量效率/(bit·J^-1)	/	/	/	/	/	10⁹
连接密度(devices·AP^-1)				10²	/	10³～10⁴
时延/ms	/	/	30	20	/	＜1
定位精度/mm	/	/	/	/	/	＜5
感知准确度	/	/	/	/	/	＞99.9%

Next-generation mmWave WLAN: vision and key enabling technologies

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