Sandikapura, M. Tesar (2012) Perbandingan akurasi global positioning system pada telepon selular dengan aplikasi web client - server. Masters thesis, Universitas Pelita Harapan.
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Abstract
Global Positioning System (GPS) is one of a feature that we can get at our
handsets, with this feature the user can get the current position on the digital map. This research will focus on comparing the accuracy of the 4 GPS mobiles that
consist of 2 Android phones and 2 Blackberry phones to GPS Garmin as the
reference value. We also try to find the influence of other factors such as time, position, orientation of cell phones and weather to the accuracy of our GPS
mobiles. This research also develops a mobile GPS application to record GPS
coordinate using web browser. The results of this research clearly shows that the
mobile GPS A is better than mobile GPS B, because after we measured the
distance differences between Garmin GPS and mobile GPS A or mobile GPS B , we got 3,6 m different for GPS A and 6.8 m for GPS B. From analysis of data, the
place that we obtain the data is also affecting the accuracy of GPS, if the GPS
signal travel through a building or tree obstacles, the signal would get reflected
and it will cause the multipath effect that will increase the free-space loss in the
transmission process. In addition, GPS data collection timing should not be when
mid-day, because during that time when the ionosphere delay tends to increase, due to the sun activity on high value. The best time to obtain the GPS coordinate
is around 6 pm, at that time the GPS accuracy around 2.7 m.Weather also quite
affects to the accuracy of GPS. GPS measurements are best done on a sunny day, because on cloudy or rainy weather there is high humidity values, which is one
component of a wet delay in the troposphere delay. / Global Positioning System (GPS) merupakan fitur yang mudah kita
dapatkan melalui telepon selular sekarang ini, dengan fitur ini pengguna dapat
mengetahui posisi terkini di dalam peta digital. Penelitian ini akan difokuskan
untuk membandingan akurasi 4 buah telepon selular dari tipe Android tertentu
dan tipe Blackberry tertentu jika dibandingkan dengan GPS Garmin sebagai
referensinya. Serta melihat pengaruh akurasi dari 4 telepon selular tersebut
terhadap faktor-faktor lain seperti waktu, posisi, orientasi telepon selular dan
cuaca. Penelitian ini juga membangun sebuah aplikasi mobile GPS yang dapat
digunakan untuk merekam koordinat GPS melalui web browser. Dari penelitian
ini diketahui bahwa telepon genggam tipe A tampak lebih akurat dibandingkan
tipe B, karena dari nilai rata-rata perbedaan jarak dari koordinat Garmin, untuk
tipe A sekitar 3,6 m sedangkan tipe B mempunyai nilai rata-rata perbedaan jarak
6,8 m. Dan dari analisis data, tempat pengambilan data cukup mempengaruhi
akurasi GPS, karena tempat yang memiliki halangan seperti gedung atau pohon
mengalami efek multipath, sehingga sinyal terpantul dan meningkatkan free-space
loss dalam proses transmisinya. Selain itu, untuk waktu pengambilan GPS yang
terbaik adalah setelah akitifitas matahari menurun, yaitu terjadi pada pukul 6 sore, karena data rata-rata perbedaan jarak yang diperoleh pada pukul 6 sore adalah 2,7
m. Cuaca juga cukup berpengaruh terhadap akurasi GPS. Pengukuran GPS yang
terbaik dilakukan pada cuaca cerah, karena pada cuaca mendung atau hujan
terdapat nilai kelembaban yang tinggi, dimana ini merupakan salah satu
komponen dalam bias troposfer.
Item Type: | Thesis (Masters) |
---|---|
Creators: | Creators NIM Email ORCID Sandikapura, M. Tesar NIM04920080001 UNSPECIFIED UNSPECIFIED |
Contributors: | Contribution Contributors NIDN/NIDK Email Thesis advisor Yugopuspito, Pujianto NIDN0324086701 UNSPECIFIED |
Additional Information: | T 49-08 SAN p |
Uncontrolled Keywords: | Mobile GPS ; accuracy ; troposphere delay ; satellite ; multipath effect |
Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering |
Divisions: | University Subject > Historic > Faculty/School > Department of Master of Electrical Engineering Program Historic > Faculty/School > Department of Master of Electrical Engineering Program |
Depositing User: | Phillips Iman Heri Wahyudi |
Date Deposited: | 21 May 2021 06:51 |
Last Modified: | 02 Aug 2022 03:31 |
URI: | http://repository.uph.edu/id/eprint/28256 |