Huawei, SoftBank complete test of 3.5GHz Massive MIMO with CA

27 Feb 2017

Chinese equipment vendor Huawei, in cooperation with SoftBank, has announced the completion of Massive MIMO verification tests in Tokyo using the Japanese operator’s 40MHz spectrum in the 3.5GHz band. The pair adopted Massive MIMO and multi-carrier aggregation (CA) technologies with the peak downlink rate reaching 1.4Gbps. The test is claimed to be the world’s first Massive MIMO trial on the 3.5GHz band and is said to offer a ‘great opportunity’ for the global development of time division duplex LTE (TD-LTE) technology.

Huawei states that Massive MIMO, featuring the incorporation of massive antennas and 3D beamforming, enhances spectrum multiplexing among multiple user equipment (UEs) to improve spectral efficiency without additionally increasing site density or bandwidth. Since September 2016, SoftBank and Huawei have deployed a large number of commercial Massive MIMO sites at key locations in Tokyo, Osaka, and Nagoya, in response to the rapid growth in traffic.

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