1 research outputs found
Joint AGC and Receiver Design for Large-Scale MU-MIMO Systems with Coarsely Quantized Signals and C-RANs
In this work, we propose the joint optimization of the automatic gain control
(AGC), which works in the remote radio heads (RHHs), and a low-resolution aware
(LRA) linear receive filter based on the minimum mean square error (MMSE),
which works on the baseband unit (BBU) pool, for large-scale multi-user
multiple-input multiple-output (MU-MIMO) systems with coarsely quantized
signals in cloud radio access networks. We develop successive interference
cancellation receivers based on the proposed joint AGC and LRA-MMSE
(AGC-LRA-MMSE) approach. An analysis of the achievable sum rates is also
carried out. Simulations show that the proposed design has better error rates
and higher achievable rates than existing techniques.Comment: 7 pages, 4 figure