How is wireless client location determined based on RSS values when using three or more APs?
- correlating the RSS values received by multiple APs to determine where they intersect
- comparing the RSS values received by multiple APs to choose the shortest straight distance
- comparing the RSS values to choose the location of the AP with the highest RSS received
- correlating the RSS values received by multiple APs to determine where the LAN switches that are connected to the APs intersect
| Explanation & Hint:
To locate a device more accurately, an AP can use the received signal strength (RSS) of a client device as a measure of the distance between the two. However, if the distance is measured from a single AP only, it is difficult to determine where the client is situated in relation to the AP. A better solution is to obtain the same measurement from three or more APs, then correlate the results and determine where they intersect. |