Terahertz communication system

Terahertz communication system uses terahertz communication technology. It is an all solid-state electronic communication transceiver system working in terahertz frequency band. It is a real-time communication device designed for the “ultra-high speed, low delay” wireless transmission scenario of uncompressed video. The system provides sufficient wireless bandwidth and does not need to be transmitted by compression, which effectively saves the time-consuming of video compression and decompression and ensures very low delay of video transmission; At the same time, through expansion, it can meet the transmission requirements of various communication platforms and communication protocols, and be compatible with the transmission of different communication application scenarios.

Terahertz wave is between microwave and far-infrared light. It is in the transition region from electronics to photonics. At the same time, it has the characteristics of microwave communication and optical communication. Compared with traditional communication, terahertz communication rate is high and can support data transmission rates of tens to hundreds of Gbps; It has strong penetration and can work normally in harsh environments such as strong wind, sand, dust and smoke; Good confidentiality, strong terahertz wave directivity and better confidentiality; The wavelength is short, the size of the antenna is smaller than that of the microwave system, and the structure is simpler and economical. All kinds of technical advantages show that terahertz wave will be the key technology of the next generation 6G communication system.

Terahertz communication has broad application prospects. It can be integrated with UAV image transmission, uncompressed ultra-high definition video transmission, base station return and other services, breaking the shortcomings of limited rate and high delay of traditional ground emergency communication. It is widely used in emergency disaster relief, telemedicine and rapid dispatching of police emergencies. Terahertz band is rich in spectrum resources, and the available spectrum bandwidth is several orders of magnitude higher than that of microwave. It can be applied to inter satellite links in the future.

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