A comparison of various positioning technologies including GNSS, WWAN, WiFi, BLE, Zigbee, RFID, UWB, and CSS, with detailed UWB characteristics and…
This document compares different positioning technologies such as GNSS, WWAN, WiFi, BLE, Zigbee, RFID, UWB, and CSS. It details UWB technology’s characteristics and applications. The comparison covers both wide-area and local positioning methods, including performance metrics and technical classifications. This manual is written in Chinese.
The positioning accuracy of the GNSS system is better than 20 meters.
In dense urban areas, WWAN positioning accuracy can reach within 50 meters.
The time synchronization accuracy of the BeiDou system is better than 100 nanoseconds.