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Table 1 Simulation parameters

From: Self-optimization of coverage and capacity based on a fuzzy neural network with cooperative reinforcement learning

Parameter

Value

Carrier frequency

2.0 GHz

Channel bandwidth

10 MHz

Propagation loss

−128.1−37.6 log10(d), d in km

Shadowing standard deviation

8 dB

Shadowing correlation distance

50 m

Shadowing correlation

Intersite, 0.5; intersector, 1.0

Penetration loss

20 dB

Thermal noise density

−174 dBm/Hz

BS maximum transmit power

46 dBm

Maximum antenna front-to-back attenuation A m

25 dB

Maximum vertical slant angle attenuation SLA v

20 dB

Horizontal half-power beam width φ3d B

70°

Vertical half-power beam width θ3d B

10°

BS and UE antenna height

32 m; 1.5 m

Power allocation on channels

Equal allocation

Self-optimization time

100 ms

interval(learning time interval)

 

KPI weight factor ω

0.8

JKPI weight factor α

0.5

Initial greed action factor ε

0.1

Reducing rate of greed action

0.001/s

factor

 

Discount factor γ

0.7

Learning rate for Q-learning ξ

0.5

Parameter learning factor η

0.2