Title
Distributed Expectation Propagation Detection for Cell-Free Massive MIMO
Abstract
In cell-free massive MIMO networks, an efficient distributed detection algorithm is of significant importance. In this paper, we propose a distributed expectation propagation (EP) detector for cell-free massive MIMO. The detector is composed of two modules, a nonlinear module at the central processing unit (CPU) and a linear module at the access point (AP). The turbo principle in iterative decoding is utilized to compute and pass the extrinsic information between modules. An analytical framework is then provided to characterize the asymptotic performance of the proposed EP detector with a large number of antennas. Simulation results will show that the proposed method outperforms the distributed detectors in terms of bit-error rate.
Year
DOI
Venue
2021
10.1109/GLOBECOM46510.2021.9685334
2021 IEEE GLOBAL COMMUNICATIONS CONFERENCE (GLOBECOM)
DocType
ISSN
Citations 
Conference
2334-0983
0
PageRank 
References 
Authors
0.34
13
6
Name
Order
Citations
PageRank
Hengtao He11065.82
Hanqing Wang200.34
Xianghao Yu300.34
Jun Zhang43772190.36
S. H. Song51078.51
K. B. Letaief611078879.10