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Title:
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Receiver Implementation for MIMO-OFDM with AMC and Precoding |
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Author:
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Ketonen, Johanna; Juntti, Markku; Cavallaro, Joseph R.
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Type:
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Conference Paper |
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Publisher:
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IEEE |
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Citation:
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J. Ketonen, M. Juntti and J. R. Cavallaro,"Receiver Implementation for MIMO-OFDM with AMC and Precoding," in 43rd Asilomar Conference on Signals, Systems and Computers, 2009 |
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Abstract:
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Receivers for horizontally encoded LTE based MIMO-OFDM systems are considered in this paper. Adaptive modulation and coding (AMC) is used as well as precoding. The linear minimum mean square error (LMMSE), successive interference
cancellation (SIC) and K-best list sphere detectors (LSD) are compared. The receivers were designed and implemented for 2×2 and 4×4 antenna systems and meet the decoding rate requirement in LTE, i.e, 210 Mb/s in 2×2 and 405 Mb/s in 4×4 antenna systems. The results show that the performance of the receivers is similar in low SNR but the performance difference increases when a higher rank transmission is used. The K-best LSD has the highest performance and complexity. A simpler receiver could be used in the low SNRs to save power and a
more complex receiver in the high SNRs when a higher goodput is needed. |
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Date Published:
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2009-11-01 |
