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Table 1 List of important parameters

From: Energy efficiency analysis of one-way and two-way relay systems

Symbol

Definition

Simulation setting

D

Distance between source nodes A and B

100 m

d, D-d

Distance between A and B to relay node

50 m

PL

Path loss attenuation

30 + 10log10(distanceα) dB

α

Path loss attenuation factor

2, 4

N 0

Noise power at each node

-94 dBm

W

Bandwidth

10MHz

T

Block duration

5 ms

Bab, Bba

Packet sizes in two directions

≥ 0

ϵ

Power amplifier efficiency

0.35

P max t

Maximum transmit power

40dBm

P a c t , P b c t , P r c t

Circuit power in transmit mode at each node

From 0 to hundreds of mW

P a c t , P b c t , P r c t

Circuit power in receive mode at each node

From 0 to hundreds of mW

P a c t , P b c t , P r c t

Circuit power in idle mode at each node

From 0 to hundreds of mW