Table 4 Similarities and differences between DARE and M-ATTEMPT

Types of devices

Body sensors

Sensors

Body relay

Sink

Main sensor (MS)

Sink

Deployment

Body sensors, body relays, and MS are fixed

Sensors and sink both are fixed

Sink can either be static or mobile

Topology per patient

7 body sensors

7 sensors

1 body relay on chest

1 sink on chest

Communication flow

Scenario 1: body sensors to body relays to sink

Sensors to sink or sensors to other sensors to sink

Scenario 2: body sensors to body relay to nearest sink

Scenario 3: body sensors to body relay to MS to sink

Scenario 4: body sensors to body relay to moving sink

Scenario 5: body sensors to body relay to nearest moving sink

Energy parameters

E0_BSs=0.3J

E0_sensors= 0.3 J

E0_BR=1J

E _Sink= infinite

E _MS= infinite

E _Sink= infinite

Network type

Heterogeneous in terms of energy of body sensors and body relays

Homogeneous in terms of energy of sensors

Communication type

Multi-hop

Single-hop

Multi-hop

Types of data reporting

Event-driven

Event-driven

Time-driven

Time-driven