An Uplink Burst Signal Detection Method with Midamble Sequence in TD-SCDMA System

被引：0

作者：

Zhou, Sheng ^{[1
]}

Zhang, Tian-qi ^{[1
]}

Gao, Hong-xing ^{[1
]}

Gao, Li ^{[1
]}

机构：

[1] Chongqing Univ Posts & Telecommun, Chongqing Key Lab Signal & Informat Proc, Chongqing, Peoples R China

来源：

2012 5TH INTERNATIONAL CONGRESS ON IMAGE AND SIGNAL PROCESSING (CISP) | 2012年

关键词：

TD-SCDMA; midamble code; power spectral; slide match; ACQUISITION;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

For the TD-SCDMA uplink burst signal detection in low SNR, this paper proposed a method, which uses the high-degreed correlation of the same midamble sequence. As the local midamble sequence matched with the received midamble sequence, there would be a residual carrier or direct current signal. By analyzing its power spectrum, the certain user's uplink burst signal can be detected, and the carrier's frequency can be estimated accurately, too. Studies have shown that the approach can effectively overcome the offset of the residual frequency.

引用

页码：1704 / 1708

页数：5

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