Transmit diversity applied on the CDMA/TDD cellular systems

被引：0

作者：

Hiramatsu, K ^{[1
]}

Miya, K ^{[1
]}

Kato, O ^{[1
]}

Homma, K ^{[1
]}

机构：

[1] Matsushita Commun Ind Co Ltd, Telecom Res Lab, Kanagawa, Japan

来源：

2000 IEEE 51ST VEHICULAR TECHNOLOGY CONFERENCE, PROCEEDINGS, VOLS 1-3 | 2000年

关键词：

D O I：

暂无

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

This paper shows that the result of cell search and Open Loop Transmit Divesty of CDMA TDD. The TSTD type transmit diversity for PSCH can shorten the cell search time of UE at low Doppler frequency. The Block STTD type transmit diversity for P-CCPCH can improve the BER performance around 3dB compared with a single antenna transmission. Furthermore the authors propose open loop type sector/cell selection handover. The improvement by using this scheme, as compared to hard handover, is almost 2 dB for between sectors and 1.1dB to 1.6dB for between cells, depending on Doppler frequency. The change for the switching rate into 10ms makes the gain of 0.8dS at f(D)=53Hz and 1.7dB at f(D)=222Hz, respectively.

引用

页码：1170 / 1174

页数：5

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