Vodafone, semiconductor company Qualcomm, and Chinese smartphone maker Xiaomi have tested a new 5G technology in Germany and Spain capable of download speeds close to 1.8 gigabits-per-second (Gbps) using a new smartphone.
Specifically, they tested enhanced technology which improves how data and video are transmitted from the radio network over 5G to a customer’s mobile device.
Called 1024 quadrature amplitude modulation (QAM), Vodafone claims it is a step up from today’s system (256 QAM) since it packs together more data into each transmission, leading to faster download speeds.
1.8Gbps Peak Speed
Vodafone and Qualcomm used Xiaomi’s smartphone, the Xiaomi 14 Ultra, equipped with Snapdragon X75 5G Modem-RF System.
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In Germany, the team measured a throughput improvement on the commercial network of around 20% over a distance of up to 600 meters.
At its 5G test centre in Ciudad Real, Spain, they achieved peak 5G download speed of nearly 1.8Gbps. Theoretically, 1.8 Gbps could provide a capacity gain of up to 25% in ideal conditions.
For the test, Vodafone engineers used 1024 QAM with a Time Division Duplexing (TDD) spectrum band – a way to send and receive data within pre-determined time slots on the same frequency (3.5GHz in this instance).
3.5GHz spectrum can benefit from 1024 GAM because it has been widely assigned for 5G and associated mobile broadband applications.
The technology, which Vodafone expects to become more widely available during 2025, is suited to supporting multiple customers close to a mobile site in busy areas such as a shopping centre or high street.
This latest technological breakthrough follows news earlier this year that the same three companies achieved upload speeds of up to 273 megabits-per-second (Mbps) using another innovative technology.
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