BLE-UWB-based ranging and positioning system, networking method, equipment and medium

Abstract

The embodiment of the invention discloses a BLE-UWB-based ranging and positioning system, a networking method, equipment and a medium. The method comprises the following steps: establishing a first BLE connection link with each slave base station by scanning a first BLE broadcast message sent by one or more slave base stations in a short range of the master base station; receiving a UWB label device list correspondingly sent by each slave base station through the first BLE connection link; wherein each UWB label device list comprises UWB label device information which establishes a second BLE connection link with a corresponding slave base station; and sending a ranging parameter to each slave base station through the first BLE connection link, so that each slave base station sends the ranging parameter to a corresponding UWB tag device through the second BLE connection link.

Description

technical field [0001] The embodiment of the present invention relates to the field of ultra-wideband (UWB, Ultra WideBand) communication technology, and in particular to a ranging and positioning system based on Bluetooth Low Energy (BLE, Bluetooth Low Energy)-UWB and a networking method thereof. Background technique [0002] In the current conventional UWB ranging and positioning system, access technologies such as Bluetooth (BT, Bluetooth) and BLE are usually used instead of UWB to perform some preparations before the start of the ranging process such as networking and ranging parameter interaction. UWB only needs to perform ranging message interaction and other work after the ranging process starts, thereby reducing power consumption in the process of UWB ranging and positioning. [0003] Also in the UWB ranging and positioning system, the time-of-flight can be obtained between the base station and the tag device through the time stamp information during the interaction ...

AI Technical Summary

Problems solved by technology

[0004] In the current conventional UWB ranging and positioning system, before the ranging process starts, the master base station usually needs to establish a BLE connection with the slave base stations and tag devices in the system to perform interactive work on ranging parameters. However, in the existing In the BLE access scheme, the number of BLE accesses that a single device can support is fixed; therefore, as more and more tag devices are added to the system, when the number of tag devices exceeds the maximum BLE that the main base station can support When the number of access is large, there will be a large number of tag devices that cannot perform distance measurement and positioning at the same time

Moreover, when the number of tag devices is large, the amount of BLE interaction data required by the main base station will also be large, thereby increasing the workload of the main base station

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