Design and Simulation of a MAC Protocol for WBAN Communication Scenarios - Ultra Wideband Wireless Body Area Networks - page 62

Table 3.5 Comparison of MAC protocols

Reference Physical/

MAC layer

Presence of
adaptive data
rate

Priority
driven
traffic

Maximum reported per
sensor node data throughput

Maximum
reported air
interface raw
data rate

Maximum reported
packet delay

Minimum energy
consumption

[ 24 ] UWB/IEEE

802.15.4a

- - 3.35 Mbps (in the presence

of 32 simultaneous
transmissions)

8 Mbps - -

[ 25 ] 4 GHz IR-

UWB/
PSMA,
Slotted
Aloha

- Yes 3 kbps [ECG sensor with

Slotted Aloha (in the
presence of 50
simultaneous
transmission)]

850 kbps - 0.07 lJ/bit (for 5

simultaneous ECG
sensors, Tx.
Power = 20 mW, Rx.
Power = 116 mW,
including interface
electronics)

[ 26 ] ISM /IEEE

802.15.6

- - 700 kbps (2.4 GHz band

for a payload size of 250
bytes with no
simultaneous
transmissions)

- 30.78 ms in 420-

450 MHz band
for a payload
size of 250
bytes with no
simultaneous
transmissions.

-

[ 27 ] ISM/

Raccoon

- Yes 4 kbps (ECG ch1 when 10

WBAN s with 6 sensors
in each WBAN
transmitting
simultaneously)

48 kbps 1.5 s when 10

WBAN s with
6 sensors in
each WBAN
transmitting
simultaneously

2.5 mW/bit (for 1 WBAN
with 6 sensors, Tx
power = 31.2 mW and
Rx. Power = 27.3 mW,
including interface
electronics)

(continued)