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 Ericsson reported on 29 May 2023 that, together with MediaTek, they have set a new 5G upload speed record of 440 Mb/s in low-band and midband spectrum using uplink carrier aggregation. Fast uplink speed brings better and smoother experiences for the likes of video conference users, streamers, and their audiences with more frames per second and higher image resolution.
Additionally, uplink speed is becoming more crucial with the expected uptake of gaming, extended reality, and video-based apps. For example, as AR devices gain popularity with larger augmentation objects, rendering becomes more demanding. This increases the demand on networks to deliver higher throughput and lower latency.
The record uplink speed was achieved in an interoperability development test at an Ericsson lab. The test was performed with a RAN Compute Baseband 6648 and a mobile device using a MediaTek Dimensity 9200 flagship 5G smartphone chipset. The uplink carrier aggregation combination involved a frequency division duplex (FDD) and time division duplex (TDD) channel in a frequency range widely deployed in today’s 5G networks.
Full Article: IEEE Vehicular Technology Magazine, Volume 18, Issue 3, September 2023 | 
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