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ANAHEIM, Calif., March 20, 2013 /PRNewswire/ -- Huawei, a leading global information and communications technology (ICT) solutions provider, launched a 40T Wavelength Division Multiplexing (WDM) prototype at the OFC/NFOEC 2013 event in Anaheim, Calif. The prototype supports simultaneous 2Tbit/s transmission of 20 C-band optical channels, providing an industry-leading capacity of up to 40 Tbit/s per fiber. Now, up to 10 million subscribers can enjoy high-definition Video on Demand (VoD) services simultaneously.
Huawei's prototype is built on three innovations in the field of high-speed transmission. The combined use of Electrical Orthogonal Frequency Division Multiplexing (eOFDM) and frequency-domain Hybrid Quadrature Amplitude Modulation (QAM) technologies substantially improve spectrum efficiency to 10 bit/s/Hz. The combined use of Flex-Optical Digital Signal Processing (Flex ODSP) and Hybrid Soft-/Hard-Decision Multi-level Coding (HMLC) technologies extend the transmission distance to beyond 1,000 km over common single-mode fiber and Erbium-Doped Fiber Amplifiers (EDFAs). Furthermore, software-implemented transceiver technology allows optical modulation formats such as Quadrature Phase-Shift Keying (QPSK), 16QAM, 32QAM, and 64QAM to be adjusted or combined, achieving a configurable transmission rate and distance for each service. As a result, dynamic service needs in varied scenarios can be easily met.
In 2012, Huawei completed a 2T WDM field trial with Vodafone, achieving up to 3,325 km transmission for 2 Tbit/s signals. The 40T WDM prototype is another major breakthrough in high-speed transmission proving current commercial optical networks will be ready for the upcoming flood of digital traffic.
Huawei is dedicated to customer-centric innovation and delivering industry-leading transport network solutions, helping operators build future-ready optical networks.
About Huawei Huawei is a leading global information and communications technology (ICT) solutions provider. Through our dedication to customer-centric innovation and strong partnerships, we have established end-to-end advantages in telecom networks, devices and cloud computing. We are committed to creating maximum value for telecom operators, enterprises and consumers by providing competitive solutions and services. Our products and solutions have been deployed in over 140 countries, serving more than one-third of the world's population. For more information, visit Huawei online: www.huawei.com. Follow us on Twitter: www.twitter.com/huaweipress and on YouTube: www.youtube.com/user/HuaweiPress.
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