DOCOMO and VIAVI Demonstrate AI-Driven Network Control For 6G
Rhea-AI Summary
VIAVI (NASDAQ: VIAV) and DOCOMO demonstrated AI-driven RAN control for 6G, showing up to 20% throughput improvement by reducing control overhead using a digital twin and VIAVI's AI RAN Scenario Generator. The demonstration modeled multiple base stations near Tokyo Station and used eight candidate beams per UE.
The results will be showcased at VIAVI's Stand 5B18 during MWC Barcelona 2026 (March 2-5). Both companies will continue 6G studies and explore AI and digital twin technologies.
Positive
- Throughput +20% from reduced control overhead in simulated RAN
- AI + digital twin validated together using VIAVI AI RSG simulator
Negative
- Demonstration conducted in a simulated environment, not a live commercial network
- No commercial timelines, contracts, or revenue impact disclosed
News Market Reaction – VIAV
On the day this news was published, VIAV gained 18.98%, reflecting a significant positive market reaction. Argus tracked a peak move of +15.1% during that session. Our momentum scanner triggered 195 alerts that day, indicating very high trading interest and price volatility. This price movement added approximately $1.31B to the company's valuation, bringing the market cap to $8.24B at that time. Trading volume was elevated at 2.4x the daily average, suggesting notable buying interest.
Data tracked by StockTitan Argus on the day of publication.
Key Figures
Market Reality Check
Peers on Argus
VIAV slipped -0.64% while peers were mixed: EXTR +1.53%, VSAT +0.57%, ONDS -0.10%, COMM -0.38%, BDC -1.27%, pointing to a stock-specific tone around this AI/6G news.
Previous AI Reports
| Date | Event | Sentiment | Move | Catalyst |
|---|---|---|---|---|
| Feb 18 | MWC AI showcases | Positive | +0.1% | Outlined AI-era solution areas and 30+ demos at MWC Barcelona 2026. |
| Mar 20 | AI infra test tools | Positive | -0.1% | Announced new test solutions for AI infrastructure at OFC 2025. |
| Feb 25 | AI-RAN collaborations | Positive | -0.7% | Highlighted AI-RAN, 6G and open network collaborations at MWC 2025. |
| Jan 15 | AI RAN generator | Positive | +0.5% | Introduced TeraVM AI RAN Scenario Generator for RAN digital twin testing. |
| Sep 10 | 1.6Tb/s testing | Positive | +2.3% | Unveiled ONE-1600 1.6Tb/s Ethernet testing for AI and HPC workloads. |
AI-tagged announcements have produced small average moves with a slight bias toward positive alignment, but with several negative reactions to positive news.
Over the last year, VIAVI has issued multiple AI-focused updates, from introducing the TeraVM AI RAN Scenario Generator in Jan 2025 to highlighting AI-RAN and ecosystem collaborations at MWC Barcelona 2025, and expanding AI infrastructure test solutions in Mar 2025. An AI-themed MWC 2026 showcase on Feb 18, 2026 continued this trajectory. Today’s AI-driven 6G RAN control demonstration with DOCOMO fits this pattern of using digital twins and AI to enhance next‑gen network performance.
Historical Comparison
In the past year, AI-tagged VIAV news produced average moves of about 0.42%. The DOCOMO 6G AI-RAN demo extends this ongoing AI network and digital twin narrative.
AI-related updates progressed from launching the TeraVM AI RAN Scenario Generator in early 2025 to broader AI-RAN and 6G collaborations at MWC, and now to a DOCOMO joint study showing AI-driven 6G RAN control efficiency gains.
Regulatory & Risk Context
An automatic shelf registration on August 11, 2025 (Form S-3ASR) allows VIAVI and selling holders to issue various securities, including common and preferred stock, debt, warrants, rights and units, for general corporate purposes. The board can designate preferred stock series without further shareholder approval. As of the filing, authorized capital totaled 1,001,000,000 shares.
Market Pulse Summary
The stock surged +19.0% in the session following this news. A strong positive reaction aligns with VIAVI’s pattern of constructive, but usually modest, stock responses to AI-tagged news, where average moves were around 0.42%. Large gains on this 6G AI-RAN demo could reflect enthusiasm for AI and digital twin leverage but may face overhang from an effective S-3ASR shelf and recent insider selling activity. Sustainability often depended on follow-through wins and broader sector support.
Key Terms
radio access network (ran) technical
digital twin technical
beamforming technical
user equipment (ues) technical
network simulator technical
AI-generated analysis. Not financial advice.
Up to 20% throughput improvement demonstrated through control-overhead reduction using digital twin, AI
In conventional beamforming, base stations select and control transmission beams based on network quality measurements reported by user equipment (UEs). In the demonstration, DOCOMO's Self-awareness Network concept was evaluated using VIAVI's digital twin and TeraVM AI RAN Scenario Generator (AI RSG) network simulator. Results confirm that reducing control overhead improves the system throughput by up to
The demonstration was conducted in a simulated environment modeling multiple base stations around the Tokyo Station area. Each base station selected the optimal beam for each UE from eight candidate beams based on predicted network quality, with less measurement and reporting of network quality at the UE. Predictions were enabled by the VIAVI AI RSG, with measurements generated by the digital twin.
"This demonstration shows that the Self-awareness Network concept significantly reduces the need for conventional network quality measurements and UE reporting," said Ian Langley, Senior Vice President, Wireless Business Unit, VIAVI. "Intelligent technologies such as tailored network digital twins and AI-powered simulators based on high-quality, trusted, real-world data enable highly efficient network control."
"AI and digital twin are expected to be deployed across a broad range of industries, and AI for network will contribute to the full spectrum of 6G values. We believe that this cooperation between the two companies will contribute to the realization of 6G technologies, including AI for network," said Hiroyuki Oto, Senior Vice President, General Manager of 6G-Tech Department, NTT DOCOMO.
DOCOMO's Self-awareness Network is a concept leveraging AI and digital twin technologies to improve network performance and efficiency across diverse radio environments. Network quality is evaluated within a digital twin environment using data such as location information and radio propagation characteristics to determine optimal network control. Network control is then performed based on these evaluation results, whereby the utilization of AI technology can enable real-time adaptation to dynamic environments.
DOCOMO and VIAVI will continue to advance studies on 6G mobile communications. The two companies will also further explore related technologies, including AI and digital twins.
About VIAVI
VIAVI (NASDAQ: VIAV) is a global leader in test and measurement and optical technologies. Our test, monitoring, assurance, and resilient position, navigation and timing solutions enable and secure critical infrastructure ranging from data center ecosystems and communication networks to military, aerospace, railway and first responder communications. In addition, we develop and advance technologies used in high-volume optical applications across anti-counterfeiting, consumer electronics, aerospace, industrial and automotive end markets.
Learn more about VIAVI at www.viavisolutions.com. Follow us on VIAVI Perspectives, LinkedIn and YouTube.
About NTT DOCOMO
NTT DOCOMO,
https://www.docomo.ne.jp/english/
Media Inquiries:
Grand Bridges
Emma Jenkins
emma@grandbridges.com
+1 415 800 4529
NTT DOCOMO
Brand Communication Department
global_pr@nttdocomo.com
www.docomo.ne.jp/english/
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SOURCE VIAVI Solutions