HSDPA Performance in a Mixed Traffic Network
HSDPA Performance in a Mixed Traffic Network
复制标题
DOI：
10.1109/vetecs.2008.462
复制
发表时间：
2008-05
期刊：
影响因子：
--
通讯作者：
M. Wrulich;W. Weiler;M. Rupp
中科院分区：
文献类型：
--
作者：
M. Wrulich;W. Weiler;M. Rupp
现有WCDMA网络中的一个优点是HSDPA（高速下行链路分组接入）可以在现有版本4（Release '99）5 MHz频带内操作，从而允许在节点B处在HS-DSCH（高速下行链路共享信道）和版本4下行链路信道（DCH）之间共享功率放大器和扩频码。在本文中，我们调查的HSDPA在网络中的吞吐量性能，其中也释放4流量是目前通过利用系统级建模的HSDPA传输，如果一个瑞克接收机被使用，连同一个粗略的建模的释放4性能。通过数值模拟，我们能够推导出HSDPA和Release 4之间的最佳功率分配，以最大限度地提高整个小区的吞吐量。所获得的结果提供了一个更复杂的理解HSDPA网络的性能，并可以用于网络运营商的小区运营规划。
One of the advantages in an existing WCDMA network is that HSDPA (high speed downlink packet access) can be operated within an existing Release 4 (Release '99) 5 MHz band, thus allowing for sharing the power amplifier and spreading codes at the Node-B between the HS-DSCH (high speed downlink shared channel) and the Release 4 downlink channels (DCHs). In this paper, we investigate the throughput performance of HSDPA in a network, in which also Release 4 traffic is present by utilizing a system level modeling of the HSDPA transmission if a Rake receiver is used, together with a coarse modeling of the Release 4 performance. By numerical simulations, we are able to deduce the optimum power split between HSDPA and Release 4 to maximize the overall cell throughput. The obtained results offer a more sophisticated understanding of the HSDPA network performance, and can be used by network operators for cell operation planning.