An ultra-wideband concurrent identification method and system for mine environment

Abstract

The invention discloses an ultra-wideband concurrent identification method and system for mine environment. The ultra-broadband concurrent identification method for mine environment includes: sending a data packet to a base station through a tag, and the base station judges whether the data packet is a pre-registration packet, so as to send a pre-registration response packet to the tag using an idle time slot , the base station judges whether the data packet is a registration packet, so as to send the time to the tag through the allocated time slot packet, and the base station judges whether the data packet is a broadcast ranging packet, so as to mark the time in the registry The time slot number occupied by the tag in the base station, the base station judges whether the data packet is a point-to-point ranging packet to update the registry, and the tag enters a ranging mode. The present invention does not require strict time synchronization of base stations and tags, and the system positioning capacity is relatively high.

Description

technical field [0001] The invention relates to the technical field of wireless communication and positioning systems, in particular to an ultra-wideband concurrent identification method and system for mine environments. Background technique [0002] UWB (ultra-wideband) is a carrier-free communication technology that uses nanosecond to picosecond-level non-sinusoidal narrow pulses to transmit data. It has high time resolution and can achieve centimeter-level precise positioning. However, if there are too many tags in the same area, it will cause communication conflicts, which will affect the ranging accuracy or even fail the ranging. Therefore, it is necessary to manage the tag transmission time. [0003] Strict time synchronization of base stations and tags is usually adopted. In the application scenario of the mine tunnel, the tunnel is narrow and long, the wireless signal cannot penetrate the tunnel wall, and the base station and the base station are in a linear distrib...

AI Technical Summary

Problems solved by technology

[0004] In view of the shortcomings of the prior art described above, the purpose of the present invention is to provide an ultra-broadband concurrent identification method and system for mining environments, which is used to solve the problems of strict time synchronization of base stations and tags in the prior art, and system positioning Reduced capacity, increased base station design cost, system complexity, and design complexity

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