High-precision UWB positioning technology for shopping malls/transportation/medical

      2022-07-06 4406

      In the application field of high-precision UWB positioning technology in shopping malls/transportation/medical care, human beings spend much more time indoors than outdoor activities, and there are also needs for positioning and navigation indoors. Due to the needs of indoor positioning and navigation, the penetration of GPS is poor, and it is almost impossible to use GPS navigation in buildings, so indoor positioning has become a product of demand in the new era. Now let's find out. What are the functions and application fields of UWB positioning technology?

      The role of high-precision UWB positioning:

      High-precision UWB positioning technology for shopping malls/transportation/medical

      1. Commercial complex (shopping mall)

      In the past, when you drove to a movie theater in a mall, navigation would take you to the mall. Now, with the application of indoor positioning and location services, navigation will navigate you to a parking space near the parking lot and record the parking space through positioning technology such as cameras. Next, we'll plan a spatial route for you to reach the cinema at the mall.


      2. Transportation hub

      During China's rapid development in recent decades, transportation hubs have become increasingly large and complex. We all know the experience of picking up people at the train station. When we first arrived, we were unfamiliar with the environment and did not know where we were. Both sides anxiously walked around the station. However, in the future of mature indoor positioning applications of UWB positioning technology, both parties only need to send "WeChat location information" push, and share the location comfortably with friends, which will not compromise the joy of each meeting...


      3. Medical scene

      "Seeing a doctor for three minutes and queuing for two hours" has become the norm in the current hospital. All complete healthcare systems have patients and their families working around entire hospitals, exhausting sick patients and anxious families. The application of high-precision UWB positioning technology indoor location service in the hospital environment, the core concept is to make the patient the core, and all service systems run around the patient. You can imagine that in the future, patients make an appointment to register at home. After arriving at the hospital, the hospital navigation system will directly guide the corresponding department according to the location, and the system will pay online to avoid the hassle of queuing.


      Introduction to the application fields of UWB positioning technology:


      The application fields of UWB are very extensive, which can be summarized in three aspects: radar imaging system (including ground-penetrating radar, wall imaging radar, wall-penetrating imaging radar, medical imaging system, monitoring system, etc.), high-speed wireless communication system, precise measurement and positioning system (including vehicle-mounted radar) radar, precision measurement and sensor positioning systems). The positioning system based on precise ranging is a very important application direction. Among various RTLS real-time positioning systems, the positioning system based on ultra-wideband (UWB) technology has low power consumption, good anti-multipath effect, high security, strong penetration ability, and high positioning accuracy, and is gradually becoming a future wireless positioning system. It is a hot spot of technology and has broad application prospects.


      The positioning technology based on UWB is mainly realized by Time of Arrival (TOA) or Time Difference of Arrival (TDOA). Because the duration of the time pulse is very short (about 10~100ps), the power required to transmit the signal is greatly reduced, so the UWB transmit power is very small, and this performance also determines that it has the function of accurate positioning.


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