This paper presents an overview of a new very high throughput millimeterwave WLAN system operating at 45 GHz band. We begin by reviewing standards process of IEEE 802.11aj(45GHz). Then the frequency spectrum allocatio...This paper presents an overview of a new very high throughput millimeterwave WLAN system operating at 45 GHz band. We begin by reviewing standards process of IEEE 802.11aj(45GHz). Then the frequency spectrum allocation at 45 GHz band is introduced. Next, the channel measurement and mod-eling is given. Specifically, the millimeter-wave MIMO for physical layer enhancement is given in detail.展开更多
面向6G网络的技术发展,综述了世界各国和第三代合作伙伴计划(The 3rd Generation Partnership Project,3GPP)、电气和电子工程师协会(Institute of Electrical and Electronics Engineers,IEEE)、等国际组织在该领域的规划和已开展工作...面向6G网络的技术发展,综述了世界各国和第三代合作伙伴计划(The 3rd Generation Partnership Project,3GPP)、电气和电子工程师协会(Institute of Electrical and Electronics Engineers,IEEE)、等国际组织在该领域的规划和已开展工作情况,阐述了6G愿景和主要技术指标体系。针对无线接入这一核心技术环节,介绍了6G阶段新型波形、多址接入、信道编码以及无蜂窝大规模MIMO等技术研究和发展情况,重点叙述了全频谱、全覆盖、内生安全、全应用及人工智能等6G新范式的内涵、关键技术以及目前研究重点,最后对6G技术的未来发展进行了展望。展开更多
基金supported in part by National Key Basic Research Program of China (973 Program) under Grant No. 2013CB329002National Natural Science Foundation of China under Grant No. 61132003the Natural Science Foundation of Jiangsu Province of China under Grants BK2011019 and BK20130631
文摘This paper presents an overview of a new very high throughput millimeterwave WLAN system operating at 45 GHz band. We begin by reviewing standards process of IEEE 802.11aj(45GHz). Then the frequency spectrum allocation at 45 GHz band is introduced. Next, the channel measurement and mod-eling is given. Specifically, the millimeter-wave MIMO for physical layer enhancement is given in detail.
文摘面向6G网络的技术发展,综述了世界各国和第三代合作伙伴计划(The 3rd Generation Partnership Project,3GPP)、电气和电子工程师协会(Institute of Electrical and Electronics Engineers,IEEE)、等国际组织在该领域的规划和已开展工作情况,阐述了6G愿景和主要技术指标体系。针对无线接入这一核心技术环节,介绍了6G阶段新型波形、多址接入、信道编码以及无蜂窝大规模MIMO等技术研究和发展情况,重点叙述了全频谱、全覆盖、内生安全、全应用及人工智能等6G新范式的内涵、关键技术以及目前研究重点,最后对6G技术的未来发展进行了展望。