Artificial intelligence is everywhere, from the smart assistant in your phone to the massive language models (LLMs) creating content online. LLMs like GPT-5, LLAMA-4 or Gemini 2.5 are not just larger versions of their predecessors; using Mixture-of-Experts (MoE) architecture, they’re on an entirely new scale, trained on petabytes of data with arguably trillions of parameters. […]

September 27 marks the 200th anniversary of public rail transport. Over the course of two centuries since the opening of the Stockton Darlington line, the world’s first commercial route, communications have been essential for rail safety. In this blog, we’re taking a look at how railway communications have evolved over time. 1825: Flagmen on Horseback […]

Starting from summer 2025, if you have one of the latest top-brand LTE smartphones, you can sign up for direct-to-cell mobile connections to Starlink satellites for messaging using the existing LTE spectrum in areas without terrestrial coverage. While only limited services will initially be available, these base stations in the sky can potentially deliver mobile […]

One year ago, VIAVI unveiled the industry’s first dual-port 1.6Tb test set at ECOC 2024, the ONE-1600, featuring live demos, 8 x 200G electrical lanes, and an OSFP1600 DR8 with optical loopback. Today, we continue to lead the 1.6Tb ecosystem with comprehensive PHY to Ethernet coverage scaling to 102Tb of test bandwidth aligned to the […]

In late 2024, the telecommunications industry was rocked by one of the most sophisticated cyber espionage campaigns in recent memory. The Salt Typhoon attack infiltrated at least eight major U.S. telecom providers, including AT&T, Verizon, Lumen, and others. The attacks compromise devices like routers, switches and firewalls, gaining undetected access to sensitive communications, including those of government […]

In the rapidly evolving world of AI data centers, VIAVI Solutions is at the forefront with its innovative enhancements to the MAP testing platform. One standout feature is Enhanced Time Domain Reflectometry (TDR), a software addition to the PCT infrastructure that simplifies and accelerates fiber optic testing. What is Enhanced TDR? Enhanced TDR is designed […]

On August 1, 2025, VIAVI attended the grand opening of the Open RAN Laboratory at the University of the Philippines (UP), the first VALOR satellite lab based in the Philippines. The ORAN Lab at UP is based on the VIAVI Automated Lab-as-a-Service for Open RAN (VALOR™) and is funded by the US government in collaboration with UP Diliman […]

For decades, mobile network operators have been constrained by a tightly integrated vendor ecosystem, with limited choice, flexibility, and innovation. Open RAN (Radio Access Network) is fundamentally reshaping this paradigm. By decoupling hardware and software and promoting open interfaces, Open RAN empowers operators with greater control, agility, and the ability to foster a more competitive […]

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