Rohde & Schwarz, HHI and IAF look to 6G at THz frequencies

November 18, 2019 //By Jean-Pierre Joosting
Rohde & Schwarz, HHI and IAF look to 6G at THz frequencies
Rohde & Schwarz, the Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute (HHI) and the Fraunhofer Institute for Applied Solid State Physics IAF are preparing for the 6th generation (6G) wireless mobile communication standards by demonstrating systems in the sub-terahertz (THz) frequency band above 100 GHz.

The collaboration has resulted in a wireless transmit and receive system operating between 270 and 320 GHz, with further frequency extensions for potential 6G bands already in preparation.

While 5G introduces mmWave frequencies with wider bandwidths for higher data rates and enables new applications such as in wireless factory automation (Industrial IoT) and for autonomous vehicles, the aim of 6G is to push the boundaries of transmission bandwidths even higher.

Although it is not clear yet which technologies 6G will entail, it is already apparent that frequency bandwidths need to be further increased to enable terabit class data rates. Wide contiguous frequency blocks can only be found at sub-THz and THz bands, i.e. in the frequency range above 100 GHz. The utilization of THz frequencies for 6G is estimated to become commercial in the next 8 to 10 years. But Rohde & Schwarz has already presented a demonstrator setup for 300 GHz to customers. The system was also displayed at the EuMW2019 in Paris as part of a workshop on mmWave and THz Wireless Communication, where it consisted of 300 GHz transceiver frontends, the SMW200A vector signal generator and FSW43 signal and spectrum analyzer as well as of units for synchronization of transmitter and receiver .

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