Some performance results for the Downlink Shared Channel in WCDMA

被引：0

作者：

Qiu, X ^{[1
]}

Chang, L ^{[1
]}

Kostic, Z ^{[1
]}

Willis, TM ^{[1
]}

Mehta, N ^{[1
]}

Greenstein, LJ ^{[1
]}

Chawla, K ^{[1
]}

Whitehead, JF ^{[1
]}

Chuang, J ^{[1
]}

机构：

[1] AT&T Labs Res, Murray Hill, NJ 07974 USA

来源：

2002 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, VOLS 1-5, CONFERENCE PROCEEDINGS | 2002年

关键词：

3G; multipath; CDMA; cellular;

D O I：

10.1109/ICC.2002.996879

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

We study the data performance of WCDMA systems using the Downlink Shared Channel (DSCH) by investigating the impact of loading, rate adaptation and power control for the Typical Urban (TU) channel. We conclude that, using DSCH, high speed data transmissions can be achieved if the offered traffic load is well controlled. We discuss a heuristic rate adaptation algorithm that adapts the transmission rate based upon the perceived user performance in previous frames. We show that the performance of the rate adaptation is significantly better than that for the fixed-rate allocation policy.

引用

页码：376 / 380

页数：5

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