A new 5G Standalone speed record of almost 3Gbps in downlink throughput has reportedly been set using Nokia’s commercial 5G Airscale baseband, MediaTek’s Dimensity 9000 mobile platform, and China Mobile Communications’ network in Shanghai.
In what the trio claim is the world's first test of Three Components Carrier Aggregation (3CCA) technology, three component carriers were combined across the 5G FDD spectrum (30MHz of 700MHz/n28 band) and 5G TDD spectrum (100+60MHz of 2.6GHz/n41 band) to reach 190Mhz bandwidth for the first time ever.
Carrier aggregation uses primary cell switch functionality which works by combining frequency bands to offer superior network capacity by maximising the spectral efficiency of 5G networks. The trial saw increased performance under a 700MHz/2.6GHz converged network to reach a peak downlink speed rate of 2.94Gbps.
Last year, Ericsson teamed up with Telstra and Qualcomm to achieve the highest uplink peak rate ever recorded using 5G dual connectivity and carrier aggregation.
According to Nokia, the combination of 5G FDD and TDD bands, supplemented by carrier aggregation, can give “full play to the advantages of spectrum synergy”, to reduce the cost of network construction while improving network coverage.
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