+44 (0)23 8076 7808 contact form

CRIBS, TRAMPS, CatchAll-SE



CRIBS™

CRIBS is a complete turnkey solution for RF coverage walk-test and drive-test measurements that combines high-speed sampling of the RF channels with an 'on-the-fly' analysis capability. CRIBS uses the new CatchAll™-SE receiver mounted on a purpose-designed frame built into a backpack with padded shoulder straps for extended wearing. Easy access for insertion and removal of the unit is provided by a wide zip fastened opening in the backpack. The system is controlled from a ruggedised tablet PC that is supplied pre-configured with the control and analysis software to minimize set-up time and configuration issues, and a high-capacity Lithium Ion battery powers the system for up to seven hours (spare batteries are available).

Further Information

Further detailed information about the CRIBS product can be found in the CRIBS brochure and sample outputs of the CRIBS product are provided to highlight key features.

Documentation & Software Support

https://support.macltd.com

Purchasing Information

For details of where to purchase the CRIBS see our distributors list or email enquiries@macltd.com.



CatchAll™-SE

CatchAll-SE is a small, low-power and light-weight system-agnostic radio survey receiver with dual band capability that uses the same RF sampling methodology as the proven CatchAll receiver - the de facto RF measurement receiver for TETRA systems when the RF signal sampling needs to be compliant with Lee Criterion. This sampling methodology supports the high sampling speeds required to combat radio channel fading due to rapid movement of the test vehicle or nearby objects.

Its small size makes CatchAll-SE ideal for walk-test measurements, and it incorporates an onboard accelerometer to enable more accurate position fixing when the walk-test progress is slowed or halted. CatchAll SE is currently available as part of the CRIBS™ walk-test and drive-test solution or as a standalone component for integration into larger test systems. A COM API is provided for OEM applications.

Further Information

Detailed information about the CatchAll-SE product can be found in the CatchAll-SE brochure and you may also be interested to learn about the companion TRAMPS™ drive test data analysis product.

Documentation & Software Support

https://support.macltd.com

Purchasing Information

For details of where to purchase the CatchAll-SE receiver see our distributors list or email enquiries@macltd.com.



TRAMPS™

TRAMPS enhances the CatchAll™ receiver product by providing an efficient means of displaying captured drive test results and also comparing the results of different drive tests.

TRAMPS is based on MapInfo MapX® technology and it allows the user to display and analyse captured drive test data. The software supports a number of different display modes including, strongest server RSSI and C/I and single channel RSSI and C/I.

TRAMPS can be used to quickly identify coverage and quality problems within the network and it can also be used to build cell neighbour lists and identify problems with missing neighbours. The software also supports the comparison of two different drive tests and this allows the user to identify areas within the network where the coverage or quality has degraded over time.

Further Information

Detailed information about the TRAMPS product can be found in the TRAMPS brochure and sample outputs of the TRAMPS product are provided to highlight key features. Note that TRAMPS offers the maximum benefit when used with one of our CatchAll, CatchAll-SE or CRIBS™ radio survey products.

Documentation & Software Support

https://support.macltd.com

Purchasing Information

For details of where to purchase the TRAMPS see our distributors list or email enquiries@macltd.com.



CatchAll™ (Product Superseded - Now a Build to Order Item Only)

The CatchAll receiver provides highly accurate measurements of radio network coverage for network verification, configuration and optimisation of narrowband radio systems like TETRA, APCO-25, Tetrapol and GSM, with the ability to perform control channel decoding for some systems to enable cell site identification and SNR measurements.

Unlike conventional scanning receivers CatchAll uses advanced signal processing techniques to capture an instantaneous 'snapshot' of the power received on all the radio channels across a wide frequency band. With no requirement to retune between individual measurements CatchAll samples at rates well in excess of those achieved by conventional scanning receivers, allowing measurements of a large number of radio channels at normal road speeds.

Further Information

Detailed information about the CatchAll product can be found in the CatchAll brochure, and you may also be interested to learn about the companion TRAMPS™ drive test data analysis product. The white paper TETRA C/I Measurement with MAC Ltd’s CatchAll Receiver may also be of interest.

Documentation & Software Support

https://support.macltd.com

Purchasing Information

For details on where to purchase the CatchAll receiver see our distributors list or email enquiries@macltd.com.



CRIBS™, TRAMPS™ Example Screenshots

Strongest Server RSSI


This plot shows the highest signal strength (dBm) measured within each data bin area, overlaid on a map of the area (or building plan for in-building measurements). This is one of many display modes available in TRAMPS. Multiple data files can be loaded as a single data set. The data bin size is user-selectable and all colour keys are fully configurable.

Multiple Data Files


Multiple data files can be loaded into TRAMPS as a data set, comprising both RSSI data files and quality-of-service (QoS) files. QoS files can contain data such as C/I and the location area code (LAC) decoded from the broadcast information contained in each channel. Two data sets may be loaded and compared, allowing, for example, the comparison of coverage over time. Basestation files provide a mapping between basestation names, locations and LACs. All input files are in a comma-delimited text format that can be directly loaded from MAC Ltd's CatchAll™ and CRIBS™ TETRA measurement systems, or from third-party tools using a similar format.

Difference Mode


The TRAMPS difference mode allows comparison between two sets of data. For example, the data sets could contain data collected at different times, allowing the comparison of coverage or quality over time. Alternatively, the difference mode could allow the comparison of measured data to predicted coverage. In the plot above the data bins coloured grey (either light grey or dark grey) indicate that a comparison could not be made as values only exist in one data set and not the other.

Bin Inspector


The TRAMPS bin Inspector allows the user to look at all of the available data for a selected data bin. In this example, the main display shows the channel-to-interference ratio (C/I) for a single channel (3678). The Bin Inspector window shows the data for the selected bin (towards the centre of the display - highlighted with a thick blue border). The Bin inspector can be a free-floating window or docked to the main window (as shown above).

Single Channel LAC


TRAMPS can display the single channel location area code (LAC) to track down the source of co-channel interference. The plot above shows that Channel 3678 has signals from multiple basestations and is likely to suffer from co-channel interference. The LAC values identify the serving basestations. The data bins that are coloured grey (including the data bin selected for the Bin Inspector display - highlighted with a thick purple border) contain LACs from more than one basestation within the data bin area.

Basestations


Basestation files allow TRAMPS to know the position, name and LAC of basestations. This information is used in the Bin Inspector to add the name of known basestations to the LAC column, and to show basestation locations on the display. Clicking on a basestation icon highlights the data bins known to be associated with that basestation for the current display mode. For example, in the single channel LAC plot above, the selected basestation (circled for clarity on this screenshot) is contributing the signals on channel 3678 with a LAC of 3738 (ie, the data bins coloured green).

CRIBS™ Data Analysis with TRAMPS


The output files produced by CRIBS can be directly loaded into the TRAMPS data analysis application, offering a multitude of ways to view the data.

™ CatchAll, CRIBS and TRAMPS are trademarks of Multiple Access Communications Limited