Abstract. The usage of data from commercial microwave
link (CML) networks for scientific purposes is becoming
increasingly popular, in particular for rain rate estimation.
However, data acquisition and availability is still a crucial
problem and limits research possibilities. To overcome this
issue, we have developed an open-source data acquisition
system based on the Simple Network Management Protocol
(SNMP). It is able to record transmitted and received signal
levels of a large number of CMLs simultaneously with
a temporal resolution of up to 1 s. We operate this system
at Ericsson Germany, acquiring data from 450 CMLs with
minutely real-time transfer to our database. Our data acquisition
system is not limited to a particular CML hardware
model or manufacturer, though. We demonstrate this by running
the same system for CMLs of a different manufacturer,
operated by an alpine ski resort in Germany. There, the data
acquisition is running simultaneously for four CMLs with a
temporal resolution of 1 s. We present an overview of our
system, describe the details of the necessary SNMP requests
and show results from its operational application.
Abstract. The usage of data from commercial microwavelink (CML) networks for scientific purposes is becomingincreasingly popular, in particular for rain rate estimation.However, data acquisition and availability is still a crucialproblem and limits research possibilities. To overcome thisissue, we have developed an open-source data acquisitionsystem based on the Simple Network Management Protocol(SNMP). It is able to record transmitted and received signallevels of a large number of CMLs simultaneously witha temporal resolution of up to 1 s. We operate this systemat Ericsson Germany, acquiring data from 450 CMLs withminutely real-time transfer to our database. Our data acquisitionsystem is not limited to a particular CML hardwaremodel or manufacturer, though. We demonstrate this by runningthe same system for CMLs of a different manufacturer,operated by an alpine ski resort in Germany. There, the dataacquisition is running simultaneously for four CMLs with atemporal resolution of 1 s. We present an overview of oursystem, describe the details of the necessary SNMP requestsand show results from its operational application.
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