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- W2938753119 abstract "Large-scale multiple-antenna systems have been identified as a promising technology for the next generation of wireless systems. However, by scaling up the number of receive antennas the energy consumption will also increase. One possible solution is to use low-resolution analog-to-digital converters at the receiver. This paper considers large-scale multiple-antenna uplink systems with 1-bit analog-to-digital converters on each receive antenna. Since oversampling can partially compensate for the information loss caused by the coarse quantization, the received signals are firstly oversampled by a factor M. We then propose a low-resolution aware linear minimum mean-squared error channel estimator for 1-bit oversampled systems. Moreover, we characterize analytically the performance of the proposed channel estimator by deriving an upper bound on the Bayesian Cramér-Rao bound. Numerical results are provided to illustrate the performance of the proposed channel estimator." @default.
- W2938753119 created "2019-04-25" @default.
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- W2938753119 date "2019-05-01" @default.
- W2938753119 modified "2023-09-23" @default.
- W2938753119 title "Channel Estimation Using 1-Bit Quantization and Oversampling for Large-scale Multiple-antenna Systems" @default.
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- W2938753119 doi "https://doi.org/10.1109/icassp.2019.8683750" @default.
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