MBeacon
User’s Guide
13
6
Operation
The MBeacon continuously transmits its MBeacon package. The end
instrument receives it and gets a RSSI from the MBeacon. RSSI is then
reported to ProRAE Guardian, which calculates the instrument's location
using RSSI from three MBeacons. The MBeacon does not receive
signals.
6.1
Network Planning and Preparation
Complete RF network planning before installing the MBeacon.
Complete the following tasks before installing the MBeacon in the
wireless network.
Network site planning:
Complete site planning to understand how a
wireless network can be built and supported for your application.
RF site assessment:
Perform an RF site assessment when designing a
large wireless network. The site assessment should at a minimum
include the following tasks:
1.
Site assessment:
Conduct the site assessment when the plant is
operating, so that maximum possible interference can be
measured and addressed.
2.
RF spectrum analysis:
Conduct RF spectrum analysis on the
900Mhz band to detect any potential RF interference. Strong
interference sources should be addressed (removed, avoided
or minimized) before the installation.
3.
Arrange mesh:
Arrange point-to-point 2-node mesh in various
locations to measure the RF propagation ability in the site.
Received Signal Strength Indicator (RSSI) can serve as an
indicator of the RF environment.
4.
MBeacon placement:
Determine placement using Honeywell
Analytic’s Location Accuracy Estimator tool. Please contact
Honeywell Analytics for further information about the use of
Location Accuracy Estimator in RF system planning.
