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| Introduction |
 HOME  KLabs Test-bed Introduction
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Test-bed facilities support our customers verifying,
revising and improving terminal, equipment,
application service and technology. |
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| Area of Test |
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Digital Cable Broadcasting
(SD/HD/UHD STB, ClearQAM TV, 3DTV interface, Assistive services for the vision and hearing impaired) |
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High-speed Internet
(DOCSIS 2.0/3.0, CMTS/CM performance, etc.) |
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Internet Phone
(Terminal unit test including
WIFI phone, etc.) |
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Conditional Access System
(XCAS, CableCARD) |
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| General View |
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| Block Diagram |
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| Abbreviations |
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| Division |
Abbreviations |
| HeadEnd System |
Digital Broadcasting H/E |
ATE (Automated Testing Environment), ITV(Interactive TV), PSI/SI(Program Specific Information/Service Information), CAS(Conditional Access System) , IP VoD(Internet Protocol Video on Demand), RF VoD(Radio Frequency Video on Demand) |
| Server Farm |
DHCP/CNR (Dynamic Host Configuration Protocol / Cisco Network Registrar), TMS(Terminal Management System) |
| PCMM System |
PCMM(Packet Cable Multimedia), PS(Policy Server), AM(Application Manager), DPI(Deep Packet Inspection) |
| VoIP System |
SBC(Session Boarder Controller), PS(Provisioning Server), AS(Application Server), MS(Media Server), SG(Signaling Gateway), TG(Trunk Gateway) |
| Transport System |
QAM(Quadruple Amplitude Modulation), OTX(Optical Transmitter), ORX(Optical Receiver), RFoG(Radio Frequency over Glass), CMTS(Cable Modem Termination System), D2.0(DOCSIS 2.0), D3.0(DOCSIS 3.0) |
| Access network |
HFC |
HFC(Hybrid Fiber-coaxial Cable) |
| RFoG |
RFoG(Radio Frequency over Glass), CWDM(Coarse Wavelength Division Multiplex) |
| Home Device |
Digital Cable TV |
PVR(Personnel Video Recorder), STB(Set-top Box), XCAS(eXchangable Conditional Access System) |
| VoIP |
DECT(Digital Enhanced Cordless Telecommunications), MTA(Multimedia Terminal Adapter) |
| High Speed |
ONU(Optical Network Unit), CM(Cable Modem) |
| Home Network |
MoCA(Multimedia over Coax Alliance), UWB(Ultra Wideband) |
| Measuring Equipments |
VQT(Voice Quality Tester), DOCSIS(Data Over Cable Service Interface Specifications) |
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| Available Equipment |
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Backbone Network
- 1Gbps Internet Optical Line
- C&M Digital Cable Broadcast Line
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HeadEnd system
- Cable TV head-end system MPEG MUX/QAM, PSIP/SI Server, iTV Server, MPEG2 TS signal generator
- CAS (NDS, Nagravision, Conax, Digicap, Alticast, CoreTrust)
- XCAS (LG CNS, Alticast, CoreTrust)
- PacketCable Multimedia System (Camiant Policy Server, Record Keeping Server, Application Manager)
- Provisioning System (DHCP, TFTP, etc.)
- Cable Internet Telephony system (SSW, AS, MS, SG/TG, SBC, PS, etc.)
- IP Centrex System
- Video Conferencing System
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VoD System
- RF / IP VoD
- D&P IP-VoD
- 3D-VoD
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Transport System
- DOCSIS 2.0/3.0 CMTS (CISCO, ARRIS, CASA)
- DOCSIS Timing Interface (DTI) Server
- Edge-QAM
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Access Network
- HFC Access Network (upstream frequency 5~42MHz, downstream frequency 54~1,002MHz )
- HFC Access Network (upstream frequency 5~65MHz, downstream frequency 88~1,002MHz)
- HFC Access Network (upstream frequency 5~85MHz, downstream frequency 108~1,002MHz)
- Radio Frequency over Glass Network (CWDM, RFoG)
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Transport System
- DOCSIS 2.0/3.0 CMTS (CISCO, ARRIS, CASA)
- DOCSIS Timing Interface (DTI) Server
- Edge-QAM
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Home Device
- Cable Bridge (MoCA, UWB, Home PNA, WiFi)
- Home Gateway Unit (STB G/W, STB Client)
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Measuring/Testing Equipment
- Measure for analyzing transmission performance (network/vector signal/protocol analyzer)
- Device for verifying compatibility between terrestrial and cable data broadcasting
- Device for measuring quality of Internet Phone (Voice Quality Tester, PacketStorm)
- Measure for home network performance test (signal generator, power meter)
- CableCARD & STB Certification Tester (HTTX, HPNX)
- TV Browser Verification System
- Home Network Verification System
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| Procedures for Service |
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| Test steps |
Preliminary discussion ⇢ Submission of application form and fee ⇢ Self inspection and test |
| Fee |
ㆍMember: KRW 200,000 (excluded VAT)/day
ㆍNon-member: KRW 300,000 (excluded VAT)/day |
| Contacts |
ㆍAssociate researcher, Seung Hwan Na / +82-2-300-3493 |
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