A - Definitions

  • A

    active RFID (active radio frequency identification)

    Active RFID (radio frequency identification) tags are continuously operating, battery-powered sensors that gather and transmit data to a reading device.

  • active sensor

    An active sensor is a device with a transmitter that sends out a signal, light wavelength or electrons to be bounced off a target, with data gathered by the sensor upon their reflection. Active sensors contrast with passive sensors, which simply detect and respond to some type of input from the physical environment.

  • actuator

    An actuator is a mechanism that turns energy into a controlled motion.

  • addressability

    Addressability is the capacity for an entity to be targeted and found. To be addressable, an entity must be uniquely identifiable, which means that it must be associated with something -- typically an alphanumeric string, although there are other possibilities -- that is not associated with anything else that exists within that system.

  • advanced metering infrastructure (AMI)

    Advanced metering infrastructure (AMI) is an architecture for automated, two-way communication between a smart utility meter with an IPaddress and a utility company.

  • Amazon Prime Air drone

    Amazon's Prime Air drone is a delivery system in development that uses remote-controlled robotic vehicles to transport goods from the warehouse to the consumer. The drones are small, unmanned octocopters -- helicopters with eight rotors -- that use GPS navigation.

  • Apple iBeacon

    Apple’s iBeacon uses Bluetooth Low Energy (BLE) to detect a compatible device within a beacon's vicinity.

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