Work

Attenuation (dB/km)

LOS (metre)

Q-factor

BER

Bit Rate (Gbps)

Ref [11] (ASK)

20

100 m

3.86

5.03e−005

10

Ref [12]

20

800 m

21.08

-

2.5

Ref [13]

20

500 m

45.96

0

10

ASK DLF (proposed)

20

3500 m

56.5069

0

10

PSK DLF (proposed)

20

3500 m

57.0486

0

10