You deploy a wireless network that supports location-based services. After the deployment, location accuracy is lower than expected. Which feature can you use to increase the location accuracy?

A site survey is a pre-deployment activity used to plan AP placement and verify RF coverage, not a mechanism to improve location accuracy on an already-deployed network.

Location planning is a pre-deployment design phase used to position APs optimally for location services, not a post-deployment accuracy improvement tool.

Location readiness is a pre-deployment assessment that checks whether the infrastructure meets location-service requirements, not a calibration mechanism available after deployment.

Site calibration is performed after the network is live by walking through the environment with a calibration device, gathering RF fingerprint data at known coordinates. This measured data refines the location engine's RF model, reducing the gap between estimated and actual client positions and directly improving location accuracy.