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Category: internet – Page 176

Demonstration of World Record: 319 Tb/s Transmission over 3,001 km with 4-core optical fiber

Researchers from the National Institute of Information and Communications Technology (NICT, President: TOKUDA Hideyuki, Ph.D.), Network Research Institute, succeeded the first S, C and L-bands transmission over long-haul distances in a 4-core optical fiber with standard outer diameter (0.125 mm). The researchers, lead by Benjamin J. Puttnam, constructed a transmission system that makes full use of wavelength division multiplexing technology by combining different amplifier technologies, to achieve a transmission demonstration with date-rate of 319 terabits per second, over a distance of 3,001 km. Using a common comparison metric of optical fiber transmission the data-rate and distance produce of 957 petabits per second x km, is a world record for optical fibers with standard outer diameter.

In this demonstration, in addition to the C and L-bands, typically used for high-data-rate, long-haul transmission, we utilize the transmission bandwidth of the S-band, which has not yet been used for further than single span transmission. The combined 120nm transmission bandwidth allowed 552 wavelength-division multiplexed channels by adopting 2 kinds of doped-fiber amplifier together with distributed Raman amplification, to enable recirculating transmission of the wideband signal. The standard cladding diameter, 4-core optical fiber can be cabled with existing equipment, and it is hoped that such fibers can enable practical high data-rate transmission in the near-term, contributing to the realization of the backbone communications system, necessary for the spread of new communication services Beyond 5G.

The results of this experiment were accepted as a post-deadline paper presentation at the International Conference on Optical Fiber Communications (OFC 2021).

How IBM is using digital twins to optimize AI

She has also published two children’s books for geeky kids, “The Internet of Mysterious Things” and “A Robot Story.”

VentureBeat: First off, how would you define digital twins, and why is it essential to think about as a thing as distinct from other tools for organizing data like APIs, data fabrics, data warehouses, and enterprise software tools?

Lisa Seacat DeLuca: We define digital twins broadly as a digital representation of any physical object. You might picture certain use cases like manufacturing equipment or a generator, but really, anything can be a digital twin if it has a digital counterpart, which opens the door for a number of possibilities of what we can do with them.

SpaceX wants to give Starship lead role in revised second-gen Starlink plan

TAMPA, Fla. — SpaceX is proposing to use Starship to rapidly deploy its second-generation Starlink constellation, providing denser rural coverage without needing more than the 30,000 satellites it previously envisioned for the follow-on network.

The proposal is one of two revised configurations that SpaceX filed Aug. 18 with the Federal Communications Commission for Starlink Gen2, updating a plan submitted in 2020.

The other configuration envisages continuing to use Falcon 9 rockets for launching Starlink satellites, and also does not involve a larger constellation or require more spectrum than what SpaceX outlined last year.

Qualcomm launches world’s first drone platform with both 5G, AI tech

Qualcomm has unveiled the world’s first drone platform and reference design that will tap in both 5G and AI technologies. The chipmaker’s Flight RB5 5G Platform condenses multiple complex technologies into one tightly integrated drone system to support a variety of use cases, including film and entertainment, security and emergency response, delivery, defense, inspection, and mapping.

The Flight RB5 5G Platform is powered by the chipmaker’s QRB5165 processor and builds upon the company’s latest IoT offerings to offer high-performance and heterogeneous computing at ultra-low power consumption.

Facebook and Google are laying another giant undersea internet cable, this time stretching 7,500 miles between 6 Asian countries

Facebook and Google have both already laid thousands of miles of undersea internet cable together, and are in the process of laying thousands of miles more.

Google announced in June it would lay a cable linking the US East Coast to Argentina, and both companies announced in March they were funding two cables hooking up the US West Coast with Singapore and Indonesia.

Over the course of 2020 and early 2021, Google and Facebook both scrapped numerous projects linking the US with Hong Kong in response to political pressure with the US government, which cited security concerns.

How Do Starlink Satellites Navigate To Their Final Operational Orbits

When SpaceX deploy batches of Starlink satellites they drop them off in lower orbits and expect the satellites themselves to navigate towards their final operational orbits. This is quite a complex process and one that’s worth discussing, the satellites need to be able to reach the target orbital plane, raise the orbit to operational altitude, and then finally maneuver to a specific slot within that plane before they become operational.

Satellite Orbital Maps by Celestrak.
https://celestrak.com/

Starlink Map by Mike Puchol.
https://starlink.sx/

Deployment plots by Elias Eccli.
https://www.youtube.com/c/EliasEccli

NFTs and the Metaverse: The internet enters a new phase

60 Minutes+ correspondent Laurie Segall reports on the big money being spent in a world somewhere between digital and reality. See the story, streaming now only on Paramount+.

“60 Minutes” is the most successful television broadcast in history. Offering hard-hitting investigative reports, interviews, feature segments and profiles of people in the news, the broadcast began in 1,968 and is still a hit, over 50 seasons later, regularly making Nielsen’s Top 10.

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UAT Virtual Let’s Talk Tech Open House

Learn More

University of Advancing Technology’s Artificial Intelligence (AI) degree explores the theory and practice of engineering tools that simulate thinking, patterning, and advanced decision behaviors by software systems. With inspiration derived from biology to design, UAT’s Artificial Intelligence program teaches students to build software systems that solve complex problems. Students will work with technologies including voice recognition, simulation agents, machine learning (ML), and the internet of things (IoT).

Students pursuing this specialized computer programming degree develop applications using evolutionary and genetic algorithms, cellular automata, artificial neural networks, agent-based models, and other artificial intelligence methodologies. UAT’s degree in AI covers the fundamentals of general and applied artificial intelligence including core programming languages and platforms used in computer science.

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