Huawei and NTT DOCOMO conduct large-scale 5G RAT trial

New air interfaces for 5G proposed by Huawei including Sparse Code Multiple Access and Filtered OFDM both tested along with large-scale multi-user MIMO technology

Huawei and NTT DOCOMO conduct large-scale 5G RAT trial

Huawei says it has conducted a large-scale field trial of 5G radio access technologies (RAT) with Japanese mobile network operator NTT DOCOMO at an outdoor test site in Chengdu, China. A live video of the trial activity was streamed to Huawei’s booth at the CEATEC JAPAN 2015 trade show at Makuhari Messe in Chiba.

The trial involved a large-scale multi-user MIMO (MU-MIMO) technology test, with a concurrent connectivity of 24 user devices in the macro-cell environment on the sub-6GHz frequency band.

Huawei said it also validated the performance of Sparse Code Multiple Access (SCMA) and Filtered OFDM (F-OFDM) in the field, both of which are 5G new air interface technologies proposed by Huawei.

The cell average downlink throughput of MU-MIMOs is 1.34Gbps, with 3.6Gbps on download peak throughput in a 100MHz ultra-wide band channel; these speeds are more than 10 times faster than single layer single user MIMO (SU-MIMO) technology.

“As the first in the world to succeed with such a large multi-user environment test, this is an important milestone,” said Takehiro Nakamura, VP and MD of NTT DOCOMO’s 5G Laboratory. “This is very encouraging as the industry works to commercialise 5G by 2020.”

Dr. Wen Tong, Huawei Fellow and CTO of Huawei Wireless Networks, said: “Results like these show we are making rapid progress and are on the right path. I am confident that what we have learned here will be reflected in even more innovative technological advances as we continue working on 5G research.”

Huawei and DOCOMO announced their partnership on joint trials of the new air-interface technologies for 5G in March 2015. The current field trials are taking place at a dedicated test site in Chengdu that enables both companies to systematically verify these technologies, including MU-MIMO, F-OFDM and SCMA.

Integrating and testing the MU-MIMO, F-OFDM and SCMA as 5G new radio technologies solution is one of the key to enable higher spectrum efficiency for enhanced mobile broadband as well as to enable the massive machine type communications and mission critical reliable communications for 5G.

Huawei plans to launch the first 5G pilot networks with its partners in 2018, and aims to contribute to the 5G industry ecosystem to complete interoperability testing in 2019, and commercially launch 5G networks in 2020.

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