Table 4: Simulation parameters.

Simulation parameter

The number of source nodesk
Channel throughput3 Mbytes/s

Packet Length

All control packets10 bytes
DATA2.5 kbytes

Traffic Classification

Multimedia streaming dataCPR 10 units/s
Still image and dataCPR 1 units/s

Interface Space and Contention Window Size

DIFS0.022 ms
SIFS0.016 ms
A contention window slots0.009 ms
A time slot2 ms

IEEE 802.15.4 MAC

Frame period20 ms
Contention access period6 ms
Contention free period14 ms
The number of guaranteed time slots7

SQ-MAC

Frame period20 ms
Random access period4 ms
Adaptive scheduled period16 ms
The number of adaptive scheduled slots8