Efficient detectors for MIMO-OFDM systems under spatial correlation antenna arrays

被引：3
|
作者：
Marques Guerra, David William [1 ]
Fukuda, Rafael Masashi [1 ]
Kobayashi, Ricardo Tadashi [1 ]
Abrao, Taufik [1 ]
机构：
[1] Univ Estadual Londrina, Elect Engn Dept, Londrina, Parana, Brazil
来源：
ETRI JOURNAL | 2018年 / 40卷 / 05期
关键词：
BER performance; heuristic detector; linear detector; MIMO-OFDM; multipath channel; spatial correlation; PARTICLE SWARM OPTIMIZATION; CONVERGENCE;
D O I：
10.4218/etrij.2018-0005
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：
This work analyzes the performance of implementable detectors for the multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) technique under specific and realistic operation system conditions, including antenna correlation and array configuration. A time-domain channel model was used to evaluate the system performance under realistic communication channel and system scenarios, including different channel correlation, modulation order, and antenna array configurations. Several MIMO-OFDM detectors were analyzed for the purpose of achieving high performance combined with high capacity systems and manageable computational complexity. Numerical Monte Carlo simulations demonstrate the channel selectivity effect, while the impact of the number of antennas, adoption of linear against heuristic-based detection schemes, and the spatial correlation effect under linear and planar antenna arrays are analyzed in the MIMO-OFDM context.
引用
收藏
页码：570 / 581
页数：12
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