Fifth-Generation Technologies Trials [Mobile Radio]

Ericsson and NTT DOCOMO announced that in a joint fifth generation (5G) technologies trial, the companies achieved a cumulative 20 Gb/s of data throughput in an outdoor environment, using the 15-GHz frequency band with two simultaneously connected mobile devices of a downlink bitrate of more than 10 Gb/s each. In a separate trial, the companies also achieved data throughput that exceeded 10 Gb/s at a distance of approximately 70 m from the base station. Moreover, the tests reached data transmissions exceeding 9 Gb/s at a distance of approximately 120 m from the base station. The trials used Ericsson 5G radio prototypes with multiple user, multiple-input, multiple-output (MU-MIMO) and massive MIMO to increase downlink throughput. Ericsson 5G radio prototypes use MU-MIMO to transmit data to several user devices using the same time and frequency resources, thus increasing the system's spectral efficiency. Massive MIMO - the combination of MIMO and beamforming with a large number of antenna elements-improves both throughput and energy efficiency. With beam tracking, Ericsson 5G radio prototypes track the position and movements of a given device and point one or more beams in the best direction for that device in real time, to ensure consistently reliable connections. These beams can originate from multiple transmission points. Each compact 5G radio prototype, the size of a piece of carry-on luggage, supports the equivalent of 40 long-term evolution (LTE) carriers.


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  • Accession Number: 01603340
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Jun 6 2016 10:45AM