Table 3 Simulation parameters.

Total number of nodes

50

Network size

1000 m × 1000 m

Data length

512 bytes

Data rate

250 kbps

Message payload

64 bytes

Number of mobile nodes

10, 20, 30, 40 and 50

Mobile node speed

5–25 m/s

Mobility model

Random way

Energy consumption during sleep mode

1.4 mW

Energy consumption during transmit mode

62 mW

Energy consumption during receive mode

62 mW

Transmission power output

55.18 mW

MAC protocol

IEEE 802.11

Transmission range

250 m

Simulation time

1000 s