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5 - 64 WiNG 4.4 Switch System Reference Guide
5.8.2 SOLE - Smart Opportunistic Location Engine
SOLE is an on-board location engine using a combination of innovative algorithms to determine location based on asset
type. SOLE fuses the location information reported by several technologies into one seamless environment to get more
meaningful results.
SOLE helps locate assets (including rogues) including passive tags, semi-passive tags, active tags (UWB,802.11, RFID etc)
and MUs. SOLE returns the location of passive tags as seen by mobile RFID readers (like a MC9090) by combining the
802.11 reader's location with RFID antenna direction/location data.
Applications (users) inform SOLE (RF switch) about a facility map, location of infrastructure and zones. A zone is an area
of specific interest with respect to whenever an asset becomes visible or invisible in that area.
SOLE uses the following input variables as needed for the specific tag type calculating location:
• User configurations
• RSSI propagation based on facility layout and RF barriers as specified by the user
• Smart surroundings (fixed wireless devices such as printers, price verifiers, near me tags as installed in the facility)
• Runtime RF environment
• The previous position of the tag
• TDoA
• AoA
SOLE is capable of receiving input of location from external 3rd party location engines such as Aeroscout and Ekahau. SOLE
also has a self learning process that adapts with a changing environment. SOLE also provides an open platform for
supporting new architectures, future algorithms or newer asset types.
5.8.3 Defining Site Parameters
In order for the locationing engine to function properly the site parameters must first be defined. Sites are defined on an
X,Y axis with the upper left corner of the site being assigned a value of 0,0. When locations of tags are displayed they are
displayed in the same X,Y format relative to the origin value of 0,0.
To configure your site parameters:
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