With the Network Monitor service, NC SYSTEMS offers a package for checking TETRA services. TETRA services (individual call, group call, SDS) are automatically carried out and evaluated in the network using probes. Evaluations with regard to call stability, call establishment success rate, hand-over success rate or call drops are available statistically or georeferenced in addition to the detection of the field strength (RSSI) of the radio cell used. Transferred reference speech samples are also evaluated according to the PESQ or HASQUE algorithm. These results are available statistically or georeferenced. Upon customer request, the collection and evaluation of further L3 messages is possible.
What is a sample?
A sample is a measuring data recorder consisting of a terminal and an industrial PC (Control Unit). The sample collects measurement data fully automatically and can transmit it to a central measurement data server. It also controls the services to be performed by the terminal and performs the speech evaluation according to PESQ or HASQUE. Any number of probes can simultaneously acquire data in a TETRA network. In this case, a MASTER Control Unit takes over the synchronization of the services to be performed between the probes. Probes can be operated stationary, e.g. To obtain statements about the long-term stability of the radio network “end to end”. Also, probes can be used mobile to obtain an evaluation of the quality of service of the radio network in the area or at particularly important application priorities. Depending on the application area, several probes can also evaluate different services with different device types at one location/in one vehicle. Measurement data transmission to a central measurement data server (Master Control Unit) can take place fully automatically via mobile radio, preferably via LTE (VPN).
Validation of TETRA services (QoS) “SLA” network monitoring, network acceptance, network verification; network acceptance, network performance, network benchmark; monitoring of voice and data services; testing of new services, testing of real call scenarios involving all system components, carrying out load tests; area measurement (swarm measurement) with many mobile probes simultaneously.
NC TMS NETWORK MONITOR Service:
Part of the service is the provision of the probes, any vehicles with probes, a measurement data server with integrated database and central control of the probes (Master Control Unit), an NC WEB PORTAL with intelligent reporting and the documentation of the results in a measurement report in electronic format. On request, results in ESRI format and as SHAPE can be made available.
NC TMS NETZWERK MONITOR Product:
The NC TMS NETWORK MONITOR is also available as a product with all necessary components. In addition, NC SYSTEMS provides commissioning and maintenance services. Further services (e.g. setup of measuring vehicle, dimensioning of the measuring data server / master control unit, definition of call scenarios between different probes) are possible on request.
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