2 papers
cs.IT2017
A Framework for Over-the-air Reciprocity Calibration for TDD Massive MIMO Systems
Xiwen Jiang, Alexis Decurninge, Kalyana Gopala +4
One of the biggest challenges in operating massive multiple-input multiple-output systems is the acquisition of accurate channel state information at the transmitter. To take up th…
cs.IT2017
Channel reciprocity calibration in TDD hybrid beamforming massive MIMO systems
Xiwen Jiang, Florian Kaltenberger
Hybrid analog-digital (AD) beamforming structure is a very attractive solution to build low cost massive multiple-input multiple-output (MIMO) systems. Typically these systems use…