Channel Estimation in MIMO Systems With One-Bit Spatial Sigma-Delta ADCs

This paper focuses on channel estimation in single-user and multi-user MIMO systems with multi-antenna base stations equipped with 1-bit spatial sigma-delta analog-to-digital converters (ADCs). A careful selection of the quantization voltage level and phase shift used in the feedback loop of 1-bit s...

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Veröffentlicht in:	IEEE transactions on signal processing 2022, Vol.70, p.1-16
Hauptverfasser:	Sankar, R.S. Prasobh, Chepuri, Sundeep Prabhakar
Format:	Artikel
Sprache:	eng
Schlagworte:	1-bit quantization Algorithms Analog to digital converters Angular channel model Antenna arrays Channel estimation Electric potential Feedback loops Mathematical models Measurement Millimeter wave communication MIMO communication mmWave MIMO Phase shift Quantization (signal) quantization noise modeling Signal processing algorithms spatial sigma-delta ADC Uplinking Voltage
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