机构地区: 北京邮电大学电子工程学院
出 处: 《现代电信科技》 2006年第10期16-20,共5页
摘 要: HSUPA是WCDMA上行链路的演进标准,在此标准中采用了基于软合并的物理层混合重传、基于NodeB的快速调度及传输时间间隔短帧传输等技术,大大提高了WCDMA上行数据速率。在简要介绍HSUPA的基础上,对其采用的三种关键技术作了较全面的分析,并探讨了HSUPA的引入对UTRAN系统结构的影响。最后,还对HSUPA的全球商业化进展作了详细介绍。 HSUPA is the evolution of WCDMA uplink access system. By employing advanced techniques such as soft-combining based Hybrid ARQ, Node B based fast scheduling and short TTI et.aL, HSUPA increases the uplink throughput of WCDMA significantly. In this paper, a brief introduction to HSUPA is given firstly. Then a comprehensive analysis to these three key techniques is described which is followed by the influence of the introduction of HSUPA to the architecture of UTRAN. Finally, the commercial progress of HSUPA is investigated.
关 键 词: 高速上行链路分组接入 混合