Keysight Technologies and Korean satellite operator KT SAT completed a live, industry‑first handover between a geostationary (GEO) satellite and an emulated low‑Earth orbit (LEO) link, demonstrating that a single test platform can validate 3GPP Rel‑19 NTN mobility scenarios across multiple orbits.
The demonstration used Keysight’s Network Emulator Solutions and UeSIM RAN Testing Toolset to maintain service continuity while the connection switched from a Ku‑band GEO link to an emulated LEO connection. The test proved that operators can evaluate handover performance in a controlled lab environment, eliminating the need for costly field trials and accelerating the deployment of integrated satellite‑terrestrial networks for 6G.
Keysight’s leadership highlighted the strategic importance of the milestone. Vice President Peng Cao said the test “shows how emulation can bring future multi‑orbit networks into the lab today,” underscoring the company’s role in shaping 6G standards and providing the tools that operators need to manage complex mobility across GEO, MEO, and LEO orbits.
The announcement comes on the heels of a strong Q4 2025 earnings report in which Keysight beat consensus earnings by $0.24 per share and posted revenue that exceeded expectations. Analysts cited robust demand in AI and data‑center markets, particularly within the Commercial Communications segment, as the primary driver of the earnings beat. The company’s focus on high‑margin AI‑centric products and strategic acquisitions such as Spirent and ANSYS PowerArtist has broadened its revenue mix and supported the positive financial outlook.
Market analysts have responded to the demonstration by raising price targets and highlighting Keysight’s expanding footprint in the growing NTN market. The company’s ability to deliver lab‑based validation for multi‑orbit handovers positions it as a key partner for operators looking to deploy 6G networks that integrate satellite and terrestrial coverage, reinforcing its competitive advantage in a rapidly evolving industry.
The demonstration also signals a broader shift toward satellite‑enabled 6G services. By proving that handover performance can be tested across multiple orbits, Keysight is helping to lower the barrier to entry for operators and vendors, potentially accelerating the commercialization of 6G NTN solutions and opening new revenue streams for the company.
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