Sequential Linear Detection in One-Bit Quantized Uplink Massive MIMO with Oversampling

Date

2018-01-01

Author

Üçüncü, Ali Bulut
Yılmaz, Ali Özgür

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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Owing to their low power consumption and cost, employing 1-bit analog-to-digital converters (ADC) in massive multiple-input multiple-output (MIMO) systems has attracted significant attention, which resulted in such systems to be examined widely in the recent literature. In our previous studies, benefits of temporal oversampling in 1-bit quantized uplink massive MIMO systems is investigated by employing a high complexity zero-forcing (ZF) detector. In this study, we propose a sequential linear receiver as an alternative to the existing ZF receiver for the temporal oversampling case in literature. The complexity of the proposed receiver for temporally oversampled uplink massive MIMO with 1-bit ADC increases linearly with block length while the complexity of the existing ZF receiver grows with the cube of block length. Furthermore, significant reduction for the delay in the estimation of the transmitted data symbols is achieved with the proposed receiver.

Subject Keywords

Systems

URI

https://hdl.handle.net/11511/36854

Collections

Department of Electrical and Electronics Engineering, Conference / Seminar