Monday, October 28, 2013
Longest real-time terabit optical transmission: ZTE and China Telecom set World Record
SHENZHEN, China -- Deploying a terabit Wavelength-division multiplexing (WDM) real-time transmission system based on ZTE's ZXONE 8700 platform, ZTE Corporation ("ZTE") and China Telecom completed real-time data transmission over a distance of 3,200 kilometers on G.652 optical fiber without Raman amplification that was error-free for 24 hours, achieving a world record for the Longest real-time terabit optical transmission,
according to the World Record Academy: www.worldrecordacademy.com/.
Photo: Deploying a terabit Wavelength-division multiplexing (WDM) real-time transmission system based on ZTE's ZXONE 8700 platform, ZTE and China Telecom completed real-time data transmission over a distance of 3,200 kilometers on G.652 optical fiber without Raman amplification that was error-free for 24 hours. (enlarge photo)
The Guinness World Records' record for the Fastest speed for a morse code transmission was set by Andrei Bindasov (Belarus), who successfully transmitted 216 Morse code marks of mixed text in one minute.
Guinness World Records also recognized the world record for the longest underwater power cable; it is 577.5 km (358.84 miles) long and connects the norwegian power grid at Feda with the dutch power grid at Eemshaven.
Deploying a terabit Wavelength-division multiplexing (WDM) real-time transmission system based on ZTE's ZXONE 8700 platform, ZTE and China Telecom completed real-time data transmission over a distance of 3,200 kilometers on G.652 optical fiber without Raman amplification that was error-free for 24 hours, achieving a world record.
The real-time nature of the successful test by ZTE and China Telecom marked a major advance from past experiments that were based on offline systems.
ZTE and China Telecom built the fastest and longest-distance real-time optical transport system by using advanced Nyquist WDM Terabit PM-QPSK optical modulation and optical coherent detection technologies, in addition to ultra-high-speed signal processing and soft-decision forward error correction algorithms, achieving spectral efficiency of 4bit/Hz/s.
As demand for bandwidth explodes globally, research into data transport systems capable of support data transmission of over 100 Gigabit per second is becoming a priority for operators and technology vendors globally.
Long-haul transmission capability and spectral efficiency are two of the biggest hurdles that must be overcome to drive the successful deployment of Beyond 100G systems.
In 2012, ZTE and Deutsche Telekom successfully completed 100G/400G/1T long-haul transmission over 2,450 kilometers, setting a record in long-distance multi-rate mixed transmission. ZTE has successfully deployed more than 50 100G trial and commercial networks globally.
ZTE posted record revenue in optical network products in the second-quarter of 2013, achieving the industry's fastest growth rate in the preceding 12-month period, according to data from research company Ovum.
ZTE was the world's No. 2 vendor in optical network products, scoring a higher ranking than vendors including Alcatel Lucent.
ZTE also ranked second in market share in the optical transport network product segment.
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