Fig. 1. Location Based Service Data Flow[2]
Fig. 2. Code of Geo Code Access through Http Get
Fig. 3. Example of Geography Information through Geo Code
Fig. 4. Code of Geo Code Reception through read() and JSON
Fig. 5. Geo Code Data Flow[2]
Fig. 6. Permission Code for GPS LBS Use at AndroidManifest.xml
Fig. 7. Code for User Longitude Data and Latitude Data Reception
Fig. 8. Code of Destination Data Access through Http Get
Fig. 9. Code of Destination Data Access through Http Get
Fig. 10. Composition of GPS navigation message[4]
Fig. 11. Positioning via Smart phone GPS[4]
Fig. 12. Diagram of Bus Information System[4]
Fig. 13. Database Schema[4]
Fig. 14. Google’s coordinate system of Location Display & Coordinate Values on Test Device(V20)
Table 1. LBS Provider Type of Location Manager
Table 2. LBS Data Update Cycle Method of Location Manager
Table 3. Method of Location Listener
Table 4. Method of Location API
Table 5. HW&SW Environment for Component implementation
Table 6. HW&SW Environment for Component implementation on Mobile
Table 7. Mean Error Range Result of Test Device
References
- http://100.daum.net/encyclopedia/view/188XX75602531
- Chang-Hun Jung and Chul Jin Kim, "A Dynamic Location Recognition Technique for Location-based Service," JKAIS, Vol.15, No.7, pp. 4562-4572, 2014.
- http://ktechno.co.kr/techgisa/gps9908/, GPS positioning principle and application system.
- Jae Heung Park, "Advanced Bus Information System Using Smart Phone GPS," master's thesis, Gyeongsang National University, 2014.
- Seung-Cheon Kim, "Bus Information System based on Smart-Phone Apps using GPS Information," The Journal of The Institute of Internet, Broadcasting and Communication, Vol.11, No.3, pp. 169-174, 2011. https://doi.org/10.7236/JIWIT.2011.11.3.169
- Seungil Kim, Youngchan Kim and Chungwon Lee, "Systematic Error Term Analysis on Bus Arrival Time Estimation," Journal of Korean Society of 11Transportation, Vol.24, No.4, pp. 117-127, 2006.
- Soon Ho Kwon, "A Study on Improvement of the Bus Information System Performance Applying A New Event Information Algorithm," master's thesis, Yonsei University, 2006.
- https://developers.google.com/maps/documenation/ -java script/geocoding?hl=ko, Geocoding Service.
- http://mainia.tistory.com/1153, Android GPS (2016).
- G. Jarjees and C. R. Drane, Prediction of Vehicle Travel Times Using Ancillary Information Sources, 8th World Congress on Intelligent Transport system, 2001.
- Sang Hyuk Lee, Hong Chul Lee, Jae Seok Kim, "Analysis for Delay factors of City Bus using GPS Received Data," Conference of Korean Society of Civil Engineers, Vol.2002, No.11, pp. 143-146, 2002.