BeQuiet Jubiläum Banner 970x90
Breaking News

Samsung announces new S23/Plus/Ultra series and New Galaxy Book3 Ultra PS5 Beta Introduces Discord Voice Chat, VRR support for 1440p, and more MSI announces new RTX 40 Series enabled laptops COLORFUL Launches B760 Series Motherboards Sony unveils 2023 line-up of AV receivers with HDMI 2.1

logo

  • Share Us
    • Facebook
    • Twitter
  • Home
  • Home
  • News
  • Reviews
  • Essays
  • Forum
  • Legacy
  • About
    • Submit News

    • Contact Us
    • Privacy

    • Promotion
    • Advertise

    • RSS Feed
    • Site Map

Search form

NEC Uses AI to Enable 26Tbps Submarine Cable Network

NEC Uses AI to Enable 26Tbps Submarine Cable Network

Enterprise & IT May 16,2018 0

NEC has been successful in transmission tests that took place over a commercial subsea cable measuring more than 10,000 kilometers using artificial intelligence (AI) and probabilistic shaping at a modulation of 64QAM.

NEC, in a joint research publication with Google, has demonstrated for the first time that the FASTER open subsea cable can be upgraded to a spectral efficiency of 6 bits per second per hertz (b/s/Hz) in an 11,000km segment. This represents a capacity of more than 26 terabits per second (Tb/s) in the C-band, which is over 2 1/2 times the capacity originally planned for the cable, for no additional wet plant capital expenditure. In doing so, the authors set a spectral efficiency-distance product record of 66,102 b/s/Hz in a field trial performed together with live traffic neighboring channels.

The team achieved this result using near-Shannon probabilistic-shaping at a modulation of 64QAM, and for the first time on a live cable, artificial intelligence (AI) was used to analyze data for the purpose of nonlinearity compensation (NLC). NEC developed an NLC algorithm based on data-driven deep neural networks (DNN) to accurately and efficiently estimate the signal nonlinearity.

"Other approaches to NLC have attempted to solve the nonlinear Schrodinger equation, which requires the use of very complex algorithms," said NEC's Mr. Toru Kawauchi, General Manager, Submarine Network Division. "This approach sets aside those deterministic models of nonlinear propagation, in favor of a low-complexity black-box model of the fiber, generated by machine learning algorithms. The results demonstrate both an improvement in transmission performance and a reduction in implementation complexity. Furthermore, since the black-box model is built up from live transmission data, it does not require advance knowledge of the cable parameters. This allows the model to be used on any cable without prior modeling or characterization, which shows the potential application of AI technology to open subsea cable systems, on which terminal equipment from multiple vendors may be readily installed."

These field trial results were recently presented at the post-deadline session of the Optical Fiber Communication Conference and Exhibition (OFC) 2018 in San Diego, California. The experimental demonstration of NLC achieved a generalized mutual-information (GMI) capacity gain of -0.15 b/s/2-pol, which is equivalent to a capacity increase of 15 gigabits per second (Gb/s) in every 100GHz of fiber bandwidth. NEC announced plans to continue this AI-based research, with the dual aims of increasing system capacity while reducing the complexity of implementation.

Tags: NEC Electronics
Previous Post
MSI Unveils the MSI MECH Exclusive Radeon GPU Brand
Next Post
Fujitsu Launches Quantum-Inspired Digital Annealer Cloud Service

Related Posts

  • NEC Discloses 2016 Security Breach

  • NEC Develops Millimeter-wave Distributed Antenna Radio Unit for Indoor 5G Applications

  • NEC Develops Walkthrough Identity Verification System Using Iris Authentication Engine

  • NEC and Lenovo Make Three Flagship Devices Available in the US Market

  • D-Wave to Collaborate With NEC to Accelerate Commercial Quantum Computing

  • NEC Demos Flying Car Concept

  • NEC and Samsung Partner on 5G

  • Atomic Switches Pave The Way For Neuromorphic Chipsets

BeQuiet Jubiläum Banner 300x600

 

Latest News

Samsung announces new S23/Plus/Ultra series and New Galaxy Book3 Ultra
Smartphones

Samsung announces new S23/Plus/Ultra series and New Galaxy Book3 Ultra

PS5 Beta Introduces Discord Voice Chat, VRR support for 1440p, and more
Gaming

PS5 Beta Introduces Discord Voice Chat, VRR support for 1440p, and more

MSI announces new RTX 40 Series enabled laptops
Gaming

MSI announces new RTX 40 Series enabled laptops

COLORFUL Launches B760 Series Motherboards
PC components

COLORFUL Launches B760 Series Motherboards

Sony unveils 2023 line-up of AV receivers with HDMI 2.1
Consumer Electronics

Sony unveils 2023 line-up of AV receivers with HDMI 2.1

Popular Reviews

Withings Thermo Wi-Fi-connected temporal thermometer

Withings Thermo Wi-Fi-connected temporal thermometer

EnGenius ECW230 Access Point

EnGenius ECW230 Access Point

Withings Body Plus Scale

Withings Body Plus Scale

Withings Sleep Analyzer

Withings Sleep Analyzer

Noctua NH-D12L CPU Cooler

Noctua NH-D12L CPU Cooler

EnGenius ECW230S AP

EnGenius ECW230S AP

Scythe Fuma 2 CPU Cooler

Scythe Fuma 2 CPU Cooler

be quiet! Pure Rock 2 FX

be quiet! Pure Rock 2 FX

Main menu

  • Home
  • News
  • Reviews
  • Essays
  • Forum
  • Legacy
  • About
    • Submit News

    • Contact Us
    • Privacy

    • Promotion
    • Advertise

    • RSS Feed
    • Site Map
  • About
  • Privacy
  • Contact Us
  • Promotional Opportunities @ CdrInfo.com
  • Advertise on out site
  • Submit your News to our site
  • RSS Feed