Roadside equipment, method and system for carrying out service processing on multi-lane free flow

Abstract

The invention discloses roadside equipment, a method and a system for carrying out service processing on a multi-lane free flow, which are used for improving the multi-service concurrent processing capability of the roadside equipment. The roadside equipment comprises a plurality of receiving units and at least two transmitting units, wherein the receiving units and the transmitting units are connected by bus; the receiving units are used for receiving service data sent by vehicle-mounted equipment; and the transmitting units are used for acquiring the service data received by a first receiving unit in a communication coverage range, then carrying out service processing if first service state information matched with an identifier of the vehicle-mounted equipment in the service data is found in a stored service state information table, updating the service state information table and synchronizing the updated service state information table to other transmitting units.

Description

technical field [0001] The invention relates to the technical field of intelligent transportation, in particular to a roadside device, method and system for multi-lane free-flow business processing. Background technique [0002] Multi-Lane Free Flow (MLFF) is an advanced stage of Electronic Toll Collection (ETC) application, which can realize simultaneous charging of multiple vehicles on multiple lanes, and further improve vehicle traffic efficiency. Speed, making traffic smoother. [0003] In a multi-lane free-flow system, a plurality of fixed roadside equipment (Road Side Unit, RSU) installed on the road is usually used to form a communication area, and the coverage areas of two adjacent RSU antennas partially overlap to realize the overall Seamless coverage of the driveway. Among them, the RSU is a hardware structure integrating transceiver. Taking the three-lane free-flow system as an example, such as figure 1 As shown, there are three RSUs installed on the mast, and...

AI Technical Summary

Problems solved by technology

When the vehicle changes lanes, two RSUs are required to participate in business processing respectively, specifically including: when the vehicle is driving in the overlapping area covered by the RSU antennas, the on-board equipment (On Board Unit, OBU) communicates with the RSU that first established the communication link Business, once the vehicle changes lanes, the OBU will interrupt the communication with the original RSU and enter the communication area of ​​another RSU. It needs to reconnect with another RSU. After the connection is successful, the communication service will be carried out. This will slow down the communication service processing speed

In addition, the signal coverage distance in the overlapping area is relatively short, so it is very easy for the OBU to fail to complete the business and miss reading

[0004] It can be seen that in the existing multi-lane free-flow system, the business processing speed is relatively slow during the vehicle lane change process, and the reliability of communication is not high, and OBU omissions are prone to occur.

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