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. Author manuscript; available in PMC: 2020 Sep 29.
Published in final edited form as: IEEE Access. 2020 Jul 31;8:140699–140725. doi: 10.1109/access.2020.3013541

TABLE VI.

Summary of existing challenges for FL

Reference No. Challenge(s) of FL
[117] - [121] Data skewing
Data Imbalance
[122] - [126] Communication
Systems Heterogeneity
Privacy
[127] Hardware
Power
Network Connectivity
[128] - [133] Security
Privacy
[134] - [139] Model Performance
Accuracy
Security
Privacy
[140] - [149] Privacy
Security
Performance
Trust
Accountability
System Architecture
Trace-ability