A Two-Step Search scheme for rapid and reliable UWB signal acquisition in multipath channels

被引：3
|
作者：
Kim, J [1 ]
Yang, S [1 ]
Shin, Y [1 ]
机构：
[1] Soongsil Univ, Sch Elect Engn, Seoul 156743, South Korea
来源：
2005 IEEE INTERNATIONAL CONFERENCE ON ULTRA-WIDEBAND (ICU) | 2005年
关键词：
UWB; multipath channel; signal acquisition; linear search; bit reversal search; single-dwell; double-dwell; two-step search;
D O I：
10.1109/ICU.2005.1570013
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：
We propose the Two-Step Search scheme with Linear search based Second step (TSS-LS) by improving the conventional Two-Step Search scheme with Bit reversal search based Second step (TSS-BS) for rapid and reliable acquisition of Ultra Wide Band (UWB) signals in multipath channels. The proposed TSS-LS utilizes two different thresholds and search windows to, achieve fast acquisition. Furthermore, unlike the TSS-BS in which the bit reversal algorithm is applied in both steps, the linear search is adopted for the second step in the proposed TSS-LS to correctly find the starting point in the range of effective delay spread of the multipath channels, and to obtain reliable bit error rate performance of the UWB systems.
引用
收藏
页码：355 / 360
页数：6
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