Mobile phone peak downlink exceeds 8.5Gbps, China Unicom and Qualcomm jointly completed the first 5G-A high and low frequency NR-CA new technology on-site verification

Thanks to netizen SNOS Snow for submitting the clue! According to news on June 24, Qualcomm China announced that recently, at the Chengdu new technology test site, China Unicom Research Institute and Qualcomm Technologies demonstrated a new milestone in 5G Advanced (5G-A) technology.

The two parties jointly deployed the innovative 5G-A high and low frequency multi-carrier aggregation solution, successfully verifying the high-speed experience under the new NR-CA networking architecture for the first time. This verification uses the 800MHz bandwidth of the high-frequency band and the 100MHz bandwidth of the 3.5GHz low-frequency band for carrier aggregation, achieving more than 8.5Gbps (note: over 1GB/ s) single-user downlink peak rate. Qualcomm China said that the application of 5G-A high and low frequency new carrier aggregation technology not only improves the utilization efficiency of spectrum resources, but also provides technical support for a variety of emerging services. The network can intelligently quickly adjust the use of high-frequency carriers based on user business traffic characteristics, thereby optimizing user experience and reducing latency. This is crucial to promote the development of ultra-high-definition video live broadcast services such as 4K/8K live sports events, XR (extended reality), and naked-eye 3D. High and low frequency NR-CA can simultaneously take advantage of large millimeter wave bandwidth and good 3.5GHz coverage to ensure continuous high-speed experience for 5G users. It is the mainstream technology direction for 5G high and low frequency collaboration.

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