Low-power-consumption intelligent bus arrival reminding method for cellphone terminal

Abstract

The invention provides a low-power-consumption intelligent bus arrival reminding method for a cellphone terminal. The method includes following steps: step 1, when a passenger takes a bus, the passenger sends a request of route information of the bus which the passenger is going to take to a server terminal by employing a wireless network data transmission and reception module of the cellphone terminal; step 2, the server terminal returns the route information of the bus which the passenger is going to take to the passenger; step 3, the passenger selects a destination station, an arrival reminding critical distance is set, and the maximum average speed of the bus is estimated; step 4, after the cellphone terminal receives coordinate information of the to-be-arrived station, a GPS module of the cellphone terminal is opened, the GPS module locates the current bus position and obtains the current position coordinate of the passenger, and the position refers to the current position of the bus; and step 5, the linear distance between the current position and the target station is calculated. No matter how far it is, the calculating frequency can be always maintained to be lower than 10. The method does not need to add extra devices on the buses.

Description

technical field [0001] The invention relates to the field of geographic information systems, in particular to a low-power consumption intelligent bus arrival reminder method for mobile terminals. Background technique [0002] Bus is the important tool of city traffic, and at present, when passenger takes bus, generally adopts bus station announcement to remind passenger to get off. This method often cannot play the effect of timely reminder under the circumstances such as noisy environment, distracted passengers or passengers are not familiar with the surrounding environment, and the situation of passengers passing the station happens from time to time, which brings inconvenience to people's travel. [0003] In order to effectively solve the problem of bus arrival reminders, the Chinese patent application number CN201210026422.7 discloses a bus arrival reminder system. After passengers use their mobile phones to customize value-added services, the value-added service system ...

AI Technical Summary

Problems solved by technology

GPS positioning itself consumes a lot of power. If the interval is too small, it will undoubtedly make things worse and make it difficult for users to accept; although a large time interval can reduce the calculation frequency and power consumption, it is easy to make low-level errors that are notified until the destination site is passed.

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