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- W1162846842 abstract "In this paper we investigate the block-type pilot channel estimation for orthogonal frequency-division multiplexing (OFDM) systems. The estimation is based on the minimum mean square error (MMSE) estimator and the least square (LS) estimator. We derive the MMSE and LS estimators’ architecture and investigate their performances. We prove that the MMSE estimator performance is better but computational complexity is high, contrary the LS estimator has low complexity but poor performance. For reducing complexity we proposed two different solutions which are the Simplified Least Square (SLS) estimator and the modified MMSE estimator. We evaluate estimator’s performance on basis of mean square error and symbol error rate for 16 QAM systems. We also evaluate estimator’s computational complexity." @default.
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- W1162846842 date "2010-01-01" @default.
- W1162846842 modified "2023-09-27" @default.
- W1162846842 title "Low Complexity Channel Estimation for OFDM Systems Based on LS and MMSE Estimators" @default.
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