This topic explains devices and device groups and their importance within Location Awareness Services for WebSphere® Premises Server.
Devices can be either readers or a device group to which you can associate several readers. Devices represent physical or logical equipment from event providers that provide location data for tags. Devices can be readers that are simple devices or logical device groups (virtual groups) that are used to group the devices into logical units. For example, by grouping the devices into logical units, you can optimize location calculation.
Devices are always related to an event provider (hub). After defining an event provider, you can define the devices. After defining the devices, you can then define gates, registration units based on devices or device groups, or barrier zones with relation to devices.