Table 2 AP combinations for indoor position estimation.

From: Effortless 3D radio maps generation for fingerprinting-based indoor positioning system

Configuration

AP Distribution

Description

8 APs

4 ground + 4 first floor

4 APs from ground floor and 4 from first floor

4 APs (mixed)

2 ground + 2 first floor

2 APs from ground floor and 2 from first floor

4 APs (ground)

4 ground + 0 first floor

4 APs only from ground floor

4 APs (first floor)

0 ground + 4 first floor

4 APs only from first floor