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A new spatio-temporal equalization method based on estimated channel response
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DOI：10.1109/25.950326.png)
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摘要
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This paper proposes a new spatio-temporal equalization method, which simultaneously utilizes an adaptive antenna array and a decision feedback equalizer (DFE). For effective spatio-temporal equalization with less computational cost, how to split equalization functionality into spatial processing, and temporal processing is quite important. One of the answers which we have given is incoming signals with larger time delays should be cancelled at the spatial equalization part. The weights of both adaptive antenna array elements and taps of DFE are calculated only using estimated channel impulse response, therefore, it requires no information on direction of arrival (DoA). We show the performance of the proposed system in multipath fading channels often encountered in indoor wireless environments and discuss the attainable bit error rate (BER), antenna patterns, and the computational complexity in comparison with other equalization methods such as spatial equalization and temporal equalization.
Keyword:
adaptive arrays
array signal processing
decision feedback equalizers
equalization
wireless LAN
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IF:
7.1
论文数:
1.8W
被引数:
6.6W
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