Fast growth of mobile internet and internet-of-things has propelled the concept formation and research on 5G wireless communications systems which are to be standardized around 2020(IMT-2020).There will be diverse app...Fast growth of mobile internet and internet-of-things has propelled the concept formation and research on 5G wireless communications systems which are to be standardized around 2020(IMT-2020).There will be diverse application scenarios expected for 5G networks.Hence,key performance indicators(KPIs) of 5G systems would be very diverse,not just the peak data rate and average/edge spectral efficiency requirements as in previous generations.For each typical scenario,multiple technologies may be used independently or jointly to improve the transmission efficiency,to lower the cost,and to increase the number of connections,etc.Key enabling technologies are discussed which include massive MIMO,ultradense deployment specific techniques,nonorthogonal transmission,high frequency communications,etc.展开更多
互联网技术的快速发展,使万物互联的愿景真正变成了现实,对人们的日常生活、生产活动产生着不可替代的重要作用。而在此之间,长期演进(Long Term Evolution,LTE)无线通信技术的应用尤为关键,是物联网系统中不可或缺的重要技术之一。为...互联网技术的快速发展,使万物互联的愿景真正变成了现实,对人们的日常生活、生产活动产生着不可替代的重要作用。而在此之间,长期演进(Long Term Evolution,LTE)无线通信技术的应用尤为关键,是物联网系统中不可或缺的重要技术之一。为了能够进一步提高LTE技术和物联网技术的应用优势,在发挥各自技术优势中提高网络结构资源的整体利用效率,促进我国物联网生态的全面发展,就必须要深入分析、了解LTE无线通信技术和物联网技术的结合应用策略。在针对LTE无线通信技术和物联网技术的概念进行阐述的基础上,分析现阶段LTE无线通信技术和物联网技术结合应用的具体场景,最后探讨LTE无线通信技术和物联网技术进行结合的注意事项,以期为实际工作提供帮助。展开更多
文摘Fast growth of mobile internet and internet-of-things has propelled the concept formation and research on 5G wireless communications systems which are to be standardized around 2020(IMT-2020).There will be diverse application scenarios expected for 5G networks.Hence,key performance indicators(KPIs) of 5G systems would be very diverse,not just the peak data rate and average/edge spectral efficiency requirements as in previous generations.For each typical scenario,multiple technologies may be used independently or jointly to improve the transmission efficiency,to lower the cost,and to increase the number of connections,etc.Key enabling technologies are discussed which include massive MIMO,ultradense deployment specific techniques,nonorthogonal transmission,high frequency communications,etc.
文摘互联网技术的快速发展,使万物互联的愿景真正变成了现实,对人们的日常生活、生产活动产生着不可替代的重要作用。而在此之间,长期演进(Long Term Evolution,LTE)无线通信技术的应用尤为关键,是物联网系统中不可或缺的重要技术之一。为了能够进一步提高LTE技术和物联网技术的应用优势,在发挥各自技术优势中提高网络结构资源的整体利用效率,促进我国物联网生态的全面发展,就必须要深入分析、了解LTE无线通信技术和物联网技术的结合应用策略。在针对LTE无线通信技术和物联网技术的概念进行阐述的基础上,分析现阶段LTE无线通信技术和物联网技术结合应用的具体场景,最后探讨LTE无线通信技术和物联网技术进行结合的注意事项,以期为实际工作提供帮助。