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

物联网学报 ›› 2023, Vol. 7 ›› Issue (3): 1-14.doi: 10.11959/j.issn.2096-3750.2023.00354

• 专题：短距无线通信技术 •

下一代毫米波无线局域网：愿景与关键使能技术

范敏¹, 邵思源¹, 贺超³, 王祥³, 王海明¹^,²

¹ 东南大学毫米波国家重点实验室，江苏南京 210096
² 网络通信与安全紫金山实验室，江苏南京 211111
³ 华为技术有限公司，广东深圳 518129

修回日期:2022-05-31 出版日期:2023-09-01 发布日期:2023-09-01
作者简介:范敏（1999- ），男，东南大学信息科学与工程学院博士生，主要研究方向为无线通信高能效传输技术
邵思源（1998- ），男，东南大学信息科学与工程学院硕士生，主要研究方向为通信感知一体化技术
贺超（1989- ），男，博士，华为技术有限公司毫米波Wi-Fi接入研究员，主要研究方向为毫米波通信系统设计与算法
王祥（1982- ），男，博士，华为技术有限公司家庭网络首席研究员，ITU-T SG9 WP2副主席、SG9 Q9报告人、SG15 Q4编辑，主要研究方向为铜线接入和家庭短距无线通信技术研究与标准
王海明（1975- ），男，博士，东南大学信息科学与工程学院教授，主要研究方向为智能微波工程、电波测量与信道建模、通信感知定位一体化
基金资助:
国家自然科学基金资助项目(62271133)

Next-generation mmWave WLAN: vision and key enabling technologies

Min FAN¹, Siyuan SHAO¹, Chao HE³, Xiang WANG³, Haiming WANG¹^,²

¹ State Key Laboratory of Millimeter Waves, Southeast University, Nanjing 210096, China
² Purple Mountain Laboratories, Nanjing 211111, China
³ Huawei Technologies Co., Ltd., Shenzhen 518129, China

Revised:2022-05-31 Online:2023-09-01 Published:2023-09-01
Supported by:
The National Natural Science Foundation of China(62271133)

摘要/Abstract

摘要：

随着信息通信技术的快速发展和广泛部署，人类的生产生活以及社会治理向数字化、信息化、智能化方向不断深入演进。作为应用最广泛的无线通信技术之一，无线局域网（WLAN, wireless local area network）需要在吞吐量、可靠性、时延等关键性能上进一步突破，同时还需要具备感知、智能等新特性。毫米波（mmWave, millimeter wave）巨大的频率资源为无线局域网发展注入了新动能，但同时也带来了新的技术挑战和需求。首先，回顾了无线局域网的发展历程；其次，描述了未来无线局域网的网络结构、典型应用、发展方向和性能指标要求；然后，分析了毫米波频段无线信道特性及其对无线网络设计的新要求、新挑战；最后，对能够适应这些挑战和要求的一些潜在关键技术进行了探讨和展望。

关键词: 无线局域网, 毫米波, 中心化/云无线—光接入网, 分布式网络架构, 通信感知一体化

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

中图分类号:

TN92/TP393

范敏, 邵思源, 贺超, 王祥, 王海明. 下一代毫米波无线局域网：愿景与关键使能技术[J]. 物联网学报, 2023, 7(3): 1-14.

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.

图/表 3

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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%

下一代毫米波无线局域网：愿景与关键使能技术

Next-generation mmWave WLAN: vision and key enabling technologies

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