Multi-starting-point route navigation method

Abstract

The invention discloses a multi-starting-point route navigation method. The method comprises the following steps of (a) transmitting a route navigation request to a server through a mobile terminal, and calculating a first navigation route by adopting the current position of a vehicle as a starting point through the server after receiving the route navigation request; (b) if fork roads exist in the first navigation route, calculating time for the vehicle to arrive at the next fork road through the server; (c) calculating multiple second navigation routes by adopting all sideways of a fork road as starting points if the estimated time for the vehicle to arrive the next fork road is smaller than a preset threshold value; and (d) transmitting multiple navigation routes of different starting points to the mobile terminal. According to the multi-starting-point route navigation method, whether a sideway exists in front of the navigation route is preliminarily judged and the time for the vehicle to arrive at the sideway is estimated, and multiple navigation routes with different starting points and identical destination are transmitted to the mobile terminal to be selected, so that the probability for repeatedly calculating the navigation route can be greatly reduced, and the navigation efficiency is improved.

Description

technical field [0001] The invention relates to a path navigation method, in particular to a multi-start point path navigation method. Background technique [0002] A common problem in the network car navigation system is: when requesting route calculation, the vehicle is in one place, and when the calculated route is delivered, the vehicle is in another place. In the current network situation, this time may be a few seconds. It may also be more than ten seconds. During this time period, the user will not get any information prompts. Therefore, the user's driving direction may be different from the calculated route. The route is on (off course), which leads to the need to recalculate the route. In the network navigation environment, each recalculation requires retransmission, which is not only time-consuming but also consumes traffic. Therefore, it is necessary to provide a multi-start path navigation method to pre-judge whether such a situation may occur, and once there is...

AI Technical Summary

Problems solved by technology

[0002] A common problem in the network car navigation system is: when requesting route calculation, the vehicle is in one place, and when the calculated route is delivered, the vehicle is in another place. In the current network situation, this time may be a few seconds. It may also be more than ten seconds. During this time period, the user will not get any information prompts. Therefore, the user's driving direction may be different from the calculated route. The route is on (off course), which leads to the need to recalculate the route. In the network navigation environment, each recalculation needs to be retransmitted, which is not only time-consuming but also consumes traffic.

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