The techniques of the work item , i . e . node b controlled scheduling , hybrid arq , shorter tti , are to improve the performance of uplink dedicated transport channels , i . e . to increase capacity and throughput and reduce delay . cell - level system performance of hsupa is described through the simulation results , including cell throughput of uplink packet service , system delay , capacity , fairness of ues , radio resource occupation and system device utilization 为了提高wcdma网络传统的上行专用传输信道( dch )的性能,即提高覆盖、吞吐量和减少延时, 3gpp决定开发hsupa技术,提出了增强型的上行专用传输信道( e - dch ) ,这是一条新增的上行专用传输信道,专用于hsupa 。