Qualcomm has set a new downlink speed record with its Snapdragon X75 5G Modem-RF System.
Using sub-6 GHz spectrum, Qualcomm demonstrated an impressive 7.5 Gbps downlink throughput. This milestone builds on the company’s earlier introduction of the Snapdragon X75—the industry’s first 5G Advanced-ready modem-RF system—unveiled at MWC Barcelona in February.
The record was achieved in a controlled test on a 5G Standalone (5G SA) network configuration.
For the test, Qualcomm aggregated 300 MHz of spectrum by combining 4x carrier aggregation (4xCA) with four TDD channels within a single downlink connection. The system also employed 1024 quadrature amplitude modulation (1024-QAM), which significantly boosted throughput.
Aggregating four TDD channels allows operators to pool disparate spectrum holdings and deliver much higher data rates. Meanwhile, 1024-QAM increases spectral efficiency by packing more bits into each transmission than the more common 256-QAM, improving data throughput and making more efficient use of available spectrum.
Together with its other enhancements, the Snapdragon X75 delivers faster downloads, greater network capacity, and improved spectrum efficiency—translating into richer user experiences. Devices powered by X75 can handle demanding applications such as high-definition video streaming, large downloads, and latency-sensitive online gaming more smoothly, benefiting a larger number of simultaneous users.
Sunil Patil, Vice President of Product Management at Qualcomm, commented:
“The Snapdragon X75 5G Modem‑RF System is the smartest wireless modem we have ever created. Its 5G Advanced‑ready architecture is designed to help operators define the next generation of networks around the world.”
“We look forward to continuing to work with industry leaders to deliver best‑in‑class connectivity experiences and to help transform consumer, enterprise and industrial use cases.”
The Snapdragon X75 is currently in customer sampling and is expected to appear in commercial devices in the latter half of 2023.
(Photo by Bofu Shaw on Unsplash)
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