Rigorous dynamics of expectation-propagation signal detection via the conjugate gradient method
K Takeuchi, CK Wen - 2017 IEEE 18th International Workshop …, 2017 - ieeexplore.ieee.org
2017 IEEE 18th International Workshop on Signal Processing …, 2017•ieeexplore.ieee.org
This paper investigates iterative detection based on expectation propagation (EP) in
overloaded multiple-input multiple-output systems. The conjugate gradient (CG) method is
utilized to reduce the per-iteration complexity of EP detection. Under the assumption of
unitarily invariant channel matrices, the dynamics of EP detection based on the CG method
(EP-CG) is analyzed in the large system limit, where the transmit and receive dimensions
tend to infinity at an identical rate. The main result is a rigorous derivation of state evolution …
overloaded multiple-input multiple-output systems. The conjugate gradient (CG) method is
utilized to reduce the per-iteration complexity of EP detection. Under the assumption of
unitarily invariant channel matrices, the dynamics of EP detection based on the CG method
(EP-CG) is analyzed in the large system limit, where the transmit and receive dimensions
tend to infinity at an identical rate. The main result is a rigorous derivation of state evolution …
This paper investigates iterative detection based on expectation propagation (EP) in overloaded multiple-input multiple-output systems. The conjugate gradient (CG) method is utilized to reduce the per-iteration complexity of EP detection. Under the assumption of unitarily invariant channel matrices, the dynamics of EP detection based on the CG method (EP-CG) is analyzed in the large system limit, where the transmit and receive dimensions tend to infinity at an identical rate. The main result is a rigorous derivation of state evolution for EP-CG.
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