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Ericsson has made significant progress in 5G carrier aggregation by successfully combining six component carriers to achieve a download speed of 5.7Gbps during a data call. This achievement was made possible through the use of three FDD bands combined with three TDD bands in the sub-6GHz range, leveraging Ericsson’s RAN compute hardware, carrier aggregation software, and new advanced RAN coordination functionality.

The testing for this 3FDD + 3TDD carrier aggregation was carried out in an Ericsson lab using a user equipment (UE) simulator. By combining the FDD and TDD spectrum, more users can benefit from the gains of carrier aggregation. In total, 400MHz of bandwidth was aggregated, ranging from 20MHz to 50MHz of FDD bandwidth, resulting in the impressive throughput of 5.7Gbps.

The ability to utilize six-component carriers allows communications service providers to optimize their network and spectrum assets, delivering higher data speeds and capacity. This optimization improves the experience for applications that heavily rely on downlink speeds, such as streaming, fast file downloads, and remote work environments.

Sibel Tombaz, the head of product line 5G RAN at Ericsson Networks, emphasizes the versatility of their solution and their commitment to working with ecosystem partners to make this new band combination a reality. Ericsson aims to meet the growing demand for high-capacity, ultra-high-speed 5G services.

Tombaz explains that carrier aggregation is crucial in maximizing the performance of scattered spectrum assets in 5G networks. With the addition of a 6CC capability, service providers can make the most of their allocated spectrum and optimize the combined bandwidth to deliver a superior mobile experience.

Ericsson’s breakthrough in 5G carrier aggregation demonstrates their commitment to pushing the boundaries of what is possible in 5G technology. This achievement brings us one step closer to the widespread adoption of high-speed 5G networks and the benefits they can bring to users around the world.

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