Ericsson Achieves 5.7 Gbps 5G Downlink Speeds Through 6CC Carrier Aggregation

Ericsson has achieved a record 5.7 Gbps downlink speeds on 5G Carrier Aggregation by combining six component carriers in the world’s first 6CC (component carrier) data call. Ericsson stated that the achievement marks a significant leap forward in Carrier Aggregation (CA), promising to reshape the landscape of data speeds and connectivity.

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6CC Carrier Aggregation

According to the statement, the data call was achieved using three Frequency Division Duplex (FDD) bands and three Time Division Duplex (TDD) bands within the sub-6GHz frequency range. This combination was made possible through Ericsson’s RAN Compute hardware, carrier aggregation software, and Advanced RAN Coordination functionality.

Carrier Aggregation

Carrier aggregation is a technique in wireless communication where multiple frequency bands are combined to increase data throughput and capacity. In this case, three FDD bands and three TDD bands were aggregated to achieve higher data speeds.

Benefits of Spectrum Combination

This achievement was validated within an Ericsson laboratory, utilizing a user equipment (UE) simulator to carry out the 3FDD + 3TDD carrier aggregation testing. By combining FDD and TDD spectrum, more users can benefit from the improved data speeds and capacity achieved through carrier aggregation. This allows for better user experiences in terms of audio and video streaming, faster file downloads, and smoother performance for data-intensive applications.

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Throughput Achievement

The test resulted in a throughput of 5.7 Gbps (gigabits per second) using a total aggregated bandwidth of 400 MHz. Ericsson said this throughput was achieved by aggregating FDD bandwidths ranging from 20 MHz to 50 MHz.