On the optimality of frequency-domain equalization in DFT-spread MIMO-OFDM systems

被引：1
|
作者：
Jaeckel, Stephan [1 ]
Jungnickel, Volker [1 ]
机构：
[1] Heinrich Hertz Inst Nachrichtentech Berlin GmbH, Fraunhofer Inst Telecommun, D-10587 Berlin, Germany
来源：
WCNC 2008: IEEE WIRELESS COMMUNICATIONS & NETWORKING CONFERENCE, VOLS 1-7 | 2008年
关键词：
D O I：
10.1109/WCNC.2008.211
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, we compare linear receivers for DFT spread MIMO OFDM Systems. It is proven mathematically and illustrated by numerical simulations that the advanced DFT RAKE receiver with linear multiuser detection is equivalent to the popular frequency domain equalization (FDE) with IDFT despreading. This result holds also for multi antenna systems. As a consequence, broadband wireless transmission chains with high diversity can be implemented with low complexity at the receiving end. The benefit of using the minimum mean square error (MMSE) criterion in the FDE is also illustrated.
引用
收藏
页码：1172 / 1177
页数：6
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