Knowing where someone is can be important because you are then in a better position to do something for or with them. This is the basic concept behind location-based Wi-Fi services, so-called LBS.
By knowing where clients are, companies are able to help them get wherever they need to go, make the network experience better for them, use data from their location to optimize their experience, or offer and tell them stuff along the way.
Think of Wi-Fi location as indoor GPS. Wi-Fi-based positioning systems are used where GPS is inadequate due (typically) to signal blockage. Though the Wi-Fi protocol fundamentals haven't changed much in the past few years as it concerns location technology, the ecology of Wi-Fi location services have completely flipped.
Now that almost every human on the planet has multiple Wi-Fi-enabled devices--in pocket, on hip, in hand, on desk--businesses from retail and hospitality to healthcare and education are looking to capitalize. With that shift, new techniques to improve accuracy are emerging, user behavior and expectations are changing, and new location service models are being built.
Wi-Fi supports a number of different location approaches today, but the two most common are localization based on signal strength (using multiple received signal measurements to calculate the source's location) and RF fingerprinting (collecting on-site RF data to map signal measurements to locations).
But to really make sense of the location evolution within Wi-Fi, we have to put it in context of the historical goals and techniques. Asset tagging is the historical solution using Real-time location service (RTLS) tags.
via WiFiNovation | Scoop.it
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