
Secure Multipurpose Wireless Sensor Networks ◾ 257
medium set has five properties and its policy is attr1 attr3 attr9 attr4
2of4. e large set has seven properties and its policy is the exploded version of
attrib4 > 6. is settles in eight terms for an 8-bit unsigned integer. We did
also experiments on ROM size and static and dynamic RAM usage and used a
script from TinyOS to retrieve this data. is was done on all platforms except the
PC. e energy consumption on the Z1’s is measured by Contiki’s ENERGEST
framework [5] and on the Stargate it is calculated via the runtime and the specified
supply voltage. To measure energy consumption on the ...