
D5.4: Multi-sensor system integrated into wearable fabrics
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MOBISERV
FP7 248434
Characteristics
Communication interfaces
Wireless
Bluetooth 2.0, class 1/2/3
SPP (Serial Port Profile)
ANT
TM
AP2
Wired
USB 2.0 FS (Full Speed)
4.4.3
Extracted parameters specifications
The following table gives the characteristics of the extracted parameters related to the vital
signs monitoring and the user communication interface.
Table 8: Characteristics of the local extracted parameters
Characteristics
Local signal processing
Heart Rate (HR)
every 5.5 seconds, 8 bits
Heart Rate Quality Index
every 5.5 seconds, 8 bits
Breath rate (BR)
every 15 seconds, 8 bits
Activity classification
every 5 seconds,
classified as: lying, standing, walking, running or other
4.4.4
Power consumption versus operating mode
The lifetime of the battery is strongly dependant of the data logger operating mode. Bluetooth
is the most important power consumer. Nevertheless the capacity has been increased from
340mAh to 750mAh.
4.5
Operating modes
4.5.1
Mode Description
The data logger can meet five operating modes as showed in the following table.
Table 9: Operating mode description
Operating
mode
Status indicator
Action to enter that mode Action to leave that mode
Stand-by
Green flash
From sleeping mode,
press the mode switch
Return in sleep mode after
a few minutes if no
command is initiated
Charging
Green/Orange/Blue
Connect USB to
computer or hub
Red when plugged
Connected through USB
but the device clock is
not set
Use either
wxConfigurator
or
sew_scope
to set the
clock.
Sleeping
-
Do nothing
Action on the mode switch