Post Date : 07/02/2017
Scientists from Japan have developed terahertz (THz) transmitter technology, a next generation system which can transmit digital data over 10 times faster than 5G mobile networks. It will pave transmitting digital data at a rate exceeding 100 gigabits per second (gbps) over a single channel using the 300-gigahertz band.The THz band is a new and vast frequency resource expected to be used for future ultrahigh-speed wireless communications. The THz transmitter achieves a communication speed of 105 gigabits per second using the frequency range from 290 GHz to 315 GHz. These range of frequencies are currently unallocated but fall within the frequency range from 275 GHz to 450 GHz. It paves way for faster downloads and improve in-flight network connection speeds. Terahertz wireless is high-data-rate minimum-latency communications. Its possible applications include fast download from contents servers to mobile devices and ultrafast wireless links between base stations. In 2016, scientists had demonstrated that the speed of a wireless link in the 300-GHz band can be greatly enhanced by using quadrature amplitude modulation (QAM). Later in 2017 they showed six times higher per-channel data rate, exceeding 100 gbps for the first time as an integrated-circuit-based transmitter.
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