Analysis of QPSK transmitted-reference systems

被引：2
|
作者：
Romme, J [1 ]
Witrisal, K [1 ]
机构：
[1] IMST GMBH, D-47475 Kamp Lintfort, Germany
来源：
2005 IEEE INTERNATIONAL CONFERENCE ON ULTRA-WIDEBAND (ICU) | 2005年
关键词：
D O I：
10.1109/ICU.2005.1570039
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：
The usage of an additional autocorrelation branch is proposed for the demodulation of transmitted reference signals, to both relax the demands on the hardware implementation and allow for QPSK-TR signalling. The proposed autocorrelation receiver is proven to perform a complex-valued autocorrelation. Based on this insight, a discrete-time equivalent system model is derived, including a statistical characterization of the system taking into account noise, as well as intra- and inter-symbol-interference (IISI). The performance of a fractionally sampled QPSK-TR system is presented, operating at different data rates in different environments.
引用
收藏
页码：502 / 507
页数：6
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