projects spotlight

Clear Cincom telecom Projects - 2010

Betuwe Route Performance Measurement

Client: Nokia Netherlands   

The major railway freight line of the Betuwe Route in The Netherlands was performance tested by Clear CinCom engineers. The quality parameters of the Bit Error Rate, Transmission Interference Rate, Call Setup Success Rate and Call Setup Times were all tested simultaneously. The measurements provided all concerned parties with an indication of quality and effectiveness of this important ERTMS served freight railway track.

The performance measurements were conducted along the entire length of the Betuwe Route in both directions to ensure consistent and accurate results, which Clear CinCom are renowned for delivering.

 

Continuous Wave Measurements - Amsterdam Centraal Station

Client: Nokia Netherlands   

Clear CinCom engineers undertaken Continuous Wave measurements in the central railway station in the capital city of Amsterdam in The Netherlands. These measurements were conducted to determine the best location for a new site design, to serve a major re-development and role out of the InfoPlus digital information panels throughout the station. The station itself has a system of three tunnels which connect the main station hall to the platforms. These tunnels provided a difficult technical challenge to ensure the required levels of coverage were met whilst testing the individual locations for the new proposed radio site.

 

GPRS Validation

Client: Nokia Netherlands   

GPRS ‘ping’ testing was undertaken to gauge the quality of the data transfer in Dutch GSM-R network. The test was conducted by utilizing three set-ups running simultaneously over three different BSC areas on national railway tracks. Many thousands of samples were collected and analyzed which illustrated the high quality and low ‘delay times’ of data transfer in the GSM-R network.

 

Nijverdal (The Netherlands) Re-development

Client: Nokia Netherlands   

Major re-development work in the Nijverdal area includes a lengthy tunnel being excavated so the nation train line can run beneath the town.

Due to this, the GSM-R installations that currently serve the Nijverdal area required to be relocated/re-designed to ensure the required levels of service are maintained. In addition to this, the C2000 (TETRA) aspects for emergency services had to be taken into account because of the new tunnel being constructed.

Two continuous wave radio tests were conducted at the new site locations based at each end of the tunnel. A drive survey record the measured levels along the track in question in both an easterly and westerly direction for both locations. The C2000 test was conducted to measure the received signal levels from the donor site; again this was conducted in the two locations for the proposed new installation.

 

Private GSM indoor Design – Hospital The Netherlands

Client: Koning & Hartman   

Clear CinCom designed an indoor GSM radio network to provide coverage for a large university hospital in The Netherlands. The layout and architecture of the building provided many challenging aspects when designing the network, which has to be implemented for a couple of thousand staff working over more than ten floors and in separate buildings to the main hospital building. The nominal cell plan and frequency plan was delivered as per the customer requirements.

 

Site Integration Testing - Almere/Leiden/Amsterdam-Zuid (The Netherlands)

Client: Nokia Netherlands   

GSM-R network capacity upgrades were required with the implementation of new InfoPlus panels at the stations of Almere, Leiden and Amsterdam-Zuid

The additional carrier units and the associated new TCH frequencies required integration testing to ensure no network degradation was present on the surround train lines. Both coverage and quality were tested which lead to the successful completion of the carrier upgrade program.

 

SLA 2010 (The Netherlands)

Client: Nokia Netherlands   

The annual GSM-R Radio ‘Service Level Agreement’ measurements in 2010 encompassed the testing of the High Speed Line, the Betuwe freight line and all the ‘Non Centrally Serviced Areas’ (NCBG) which involved connecting branch lines to busy shunting and freight areas.

In addition to utilizing the Kapsch radio modules to measure the coverage and Idle Mode state, an Agilent scanner was used to conduct spectrum measurements and TrioRail handsets for Carrier to Interference measurements. The Idle Mode measurements provided invaluable data with regards to defining the network in relation to the VGCS (Voice Group Call Areas). With conducting all the tests simultaneously, aspects of both coverage and quality were tested to ensure a high level of GSM-R service to enhance safety in potentially dangerous and busy industrial areas.

 

SLA Trend Analysis

Client: Nokia Netherlands   

Producing insight in the GSM-R radio network performance trend for the years 2004, 2005, 2007 and 2009.

 

Update GSM-R Radio design for the Tunis – Sfax line

Client: Nokia Tunisia   

The Final Cell Plan is updated with the clients technical site survey information. Adjustments are made to the frequency plan and neighbour plan due to spectrum allocation regulations.

 

Validation of GSM-R Radio Network at Schiphol Airport

Client: Nokia Netherlands   

After the implementation of the GSM-R radio network at Schiphol Airport as designed by Clear CinCom, the radio engineers tested and validated the performance of the radio network at various InfoPlus passenger information panels at Schiphol Plaza. These panels have a inbuilt GSM-R GPRS modem enabling the train departure information being send over the GSM-R network.

 

Validation of GSM-R Radio Network at train station Rotterdam Blaak

Client: Nokia Netherlands   

After the implementation of the GSM-R radio network at train station Rotterdam Blaak as designed by Clear CinCom, the radio engineers tested and validated the performance of the radio network at various InfoPlus passenger information panels. These panels have a inbuilt GSM-R GPRS modem enabling the train departure information being send over the GSM-R network.

 

Validation of Network Capacity Upgrades Hilversum – Best – Eindhoven

Client: Nokia Netherlands   

On the busy national railway lines in the Amsterdam and Eindhoven regions of The Netherlands, GSM-R radio network capacity upgrades were required. Two additional carrier units and a carrier unit swap were identified as a course of action to meet the traffic requirements. When the design was implemented, Clear CinCom engineers validated and tested the GSM-R network in the local areas to ensure the new carrier additions and carrier swap were not only effective, but also to ensure no GSM-R network degradation and interference was present.

The comprehensive testing proved the design did not effect the coverage or the quality of Dutch GSM-R network whilst at the same time providing the much needed capacity improvements.

 

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