COMPETENCE AREA
Following is our credentials, which outlines our years of strong experiences in telecommunication projects.
VSAT Link (SCPC, end to end)
- Site survey
- Construction of antenna base
- Installation of Suman/Nwiee VSAT antenna (diameter 3.7m or 4.5m) with penetrating/non-penetrating system including feedhorn, OMT, LNA/LNB/LNC, CPR
- Installation of indoor equipment (modem, splitter, attenuator, HPA, up/down converter, LNA), outdoor equipment (transceiver, booster), power system (battery, UPS, genset, inverter, AMF/ATS, AVS) and protection (grounding, TPB, isolation trafo)
- Antenna direction towards satellite (azimuth, elevation) and pointing/re-peaking of antenna (azimuth, elevation, polarization)
- Parameter setting of satellite modem (Radyne Comstream CM701/DMD20, Comtech CDM600) such as IF frequency, modulation, power, data rate, code rate and buffer clock
- Parameter setting of transceiver (Agilis, anasat, comtech) such as RF frequency (based on the allocation from satellite transponder) and gain/attenuation
- BER test (end to end/satellite loop) and integration
- System troubleshooting (down, carrier decrease, flicker/intermittent)
GSM/CDMA/3G/PSTN
- Site survey
- Installation
- Installation document
- Data transcript (DT) production
- Testing, commissioning, integration
- Operation and maintenance
Network elements of competence
- MSC SERVER (3G/WCDMA)
- MSC/TRC/BSC (DX200)
- MGW
- RNC
- CDMA MSC
- GSM MSC
- HLR
- GMSC
- SCP/SSF (IN)
- BSC/TRC
- TRC
- BSC
- RBS
- NODE B
- Transmission
- PSTN (Local 7/Translocal 4)
BSS Expertise
- RBS integration
- BSC re-parenting
- RBS re-homing
Function testing and system demonstration
Fault tracing and troubleshooting
- Write a temporary correction to fix problems
Software upgrade and modification using PLEX-C and ASA210C
- Creating “simple” software patch
- Patch loading
- Software upgrade
HLR/AUC subscribers migration
APG upgrading and function change
Operation and maintenance
Verification testing
Type approval testing
Trunk cross connections (connections between DDF)
|
|
 |