Performance evaluation of two LMMSE detectors in a MIMO-OFDM hardware testbed

被引：1

作者：

Myllyla, Markus ^{[1
]}

Juntti, Markku ^{[1
]}

Limingoja, Matti ^{[2
]}

Byman, Aaron ^{[2
]}

Cavallaro, Joseph R. ^{[3
]}

机构：

[1] Univ Oulu, Ctr Wireless Commun, PO Box 4500, FI-90014 Oulu, Finland

[2] Elektrobit Ltd, FI-90570 Oulu, Finland

[3] Rice Univ, Dept Elect & Comp Engn, Houston, TX 77251 USA

来源：

2006 FORTIETH ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS AND COMPUTERS, VOLS 1-5 | 2006年

关键词：

D O I：

10.1109/ACSSC.2006.354937

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 performance of two field programmable gate array (FPGA) implementations of a linear minimum mean square error (LMMSE) based detector is evaluated in real-time radio channels. Two square root free algorithms based on the QR decomposition (QRD) via Givens rotations, namely coordinate rotation digital computer (CORDIC) and squared Givens rotation (SGR) algorithms, are applied for the LMMSE detector implementation with pipelined systolic array architectures. The implementations are mapped to Elektrobit 2 x 2 multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) hardware testbed for 4G MIMO systems (EB4G). The presented measurement results are done with a Propsim C8 MIMO channel emulator and compared to the simulated results.

引用

页码：1161 / +

页数：2

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