SK Telecom quadruples network capacity to 40G, prepares for 100G

 

 

    Nokia Siemens Network
 
Press Release
Seoul, Korea – June 13, 2011
 
 
SK Telecom quadruples network capacity to 40G, prepares for 100G
Selects Nokia Siemens Networks’ optical network equipment for cost-effective transition
 
SK Telecom, the largest mobile operator in Korea will soon increase its network capacity by four times with 40 gigabits per second (40G) transmission, and prepare its network for transition to 100G capacity in the future. The operator has selected Nokia Siemens Networks’ 100G-ready optical network equipment for a cost-effective capacity expansion. The system uses dense wavelength division multiplexing**(DWDM), where a number of different ‘colors’ or wavelengths of light transports data down the same optical fiber, each carrying information at 40G.
 
“Korea is one of the most advanced broadband markets in the world, and is home to a vast number of growing smart device users. As data traffic continues to surge in this country, operators are considering plans for terabit optical transport networks or 100G,” said Paul Tyler, head of APAC region at Nokia Siemens Networks. “Nokia Siemens Networks has over 100 DWDM customers around the world and utilizes its technology leadership to ensure a superior end-user experience for SK Telecom customers.”
 
As part of the contract, Nokia Siemens Networks will deliver its hiT 7300 dense wavelength division multiplexing (DWDM) platform to SK Telecom. Based on the CP-QPSK modulation format, the company’s coherent detection 40G transponder* will utilize the operator‘s installed DWDM network infrastructure to transition to 40G line rate without the costly and time-consuming fiber measurement currently required by other systems.
 
 
About Nokia Siemens Networks
Nokia Siemens Networks is a leading global enabler of telecommunications services. With its focus on innovation and sustainability, the company provides a complete portfolio of mobile, fixed and converged network technology, as well as professional services including consultancy and systems integration, deployment, maintenance and managed services. It is one of the largest telecommunications hardware, software and professional services companies in the world. Operating in 150 countries, its headquarters are in Espoo, Finland. www.nokiasiemensnetworks.com
 
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Notes to editors:
* The transponder sends and receives optical signals transmitted through a fiber cable. It is based on coherent detection technology that compensates polarization mode dispersion (PMD). PMD is a negative effect that reduces the reach of high-capacity transponders through electronic signal processing in the receiver and eliminates the need for costly regeneration. With a new modulation format, called CP-QPSK (coherent polarization multiplexed quadrature phase shift keying); the transponder detects not only an optical signal’s amplitude, but also its phase and polarization. Its greater powerful detection capability brings enhanced spectral efficiency, enabling transmission of more data in a specific optical bandwidth.
 
Smart Transport
 
Nokia Siemens Networks’ unique Smart Transport offering enables lowest Total Cost of Ownership (TCO) for any service provider’s data transport network. Smart Transport is based on Nokia Siemens Networks globally available IP Integration capabilities to plan, install, integrate, provision, maintain, optimize and where needed, even operate multi-vendor transport networks. Besides the company’s professional services, it includes Nokia Siemens Networks’ products such as DWDM based optical transport, optical transport network (OTN) switching, TransNet network planning tool, A-Series Carrier Ethernet switches, FlexiPacket Microwave and Operational Support Systems (OSS) as well as IP/MPLS, timing over packet and service level assurance partner products from the leading vendors.
 
**Dense Wave Division Multiplexing (DWDM)
 
Nokia Siemens Networks DWDM (Dense Wave Division Multiplexing) solution, comprising the hiT 7300 and TransNet DWDM planning & automation tool, provides a cost optimized, flexible and automated platform, thereby offering a viable answer to excessive traffic demand, reconfiguration and cost pressure issues. The design principle of the DWDM platform (hiT 7300) is based on high modularity as well as high re-use, thus creating a single platform from metro to core. It also provides network operators with a new level of simplicity for commissioning and maintaining DWDM systems, driving out complexity, while providing complete administrator control. Nokia Siemens Networks TransNet end-to-end planning tool provides optimal network design, guaranteed performance and automated configuration, resulting in significant OPEX savings as well as reduced outage time and procedural errors along with an exceptionally low TCO.
 
With over 108 DWDM customers around the world, Nokia Siemens Networks provides a migration path to Terabit Optical Transport, It also provides scaling capacity for channels of 10/40/100 Gbit/s, with its platform being open to 400Gbit/s and even more. Nokia Siemens Networks has 12 hIT7500 customers and 90 hIT7300.
 
 
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