An optimized experimental methodology for L-band signal propagation sentences evaluation

Abstract

Combining external patch antenna with Global Positioning System (GPS) portable device is necessary to control raw data quality degradation bonded with low signal strength when receiver is operating at low elevation angle. However, this work has designed an economic data collection system comprising developed adaptive graphical user interface and antenna gain enhancement module that manage the open sky GPS propagation data and characterize the signal-to-noise (SNR) as function of elevation and azimuth angles. The model which will used to characterize received SNR mobile satellite (MS) at Kano and Samarahan, show betterquality signal strength with the other one without external patch antenna, thus provide better services to MS users for this environment.

The Benefit and Importance of Mobile Satellite Signal in Northern Nigeria: GPS Approach

“…The comparison was made based on the measured range of the satellite. SNR for the signal arriving at elevation θ ≥ 15 o should be ≥ 44 dBHz based on the study conducted in Japan [14], [15] If the SNR is less than 44 dBHz, then the received signal considered experiencing attenuation effect.…”

“…This is due to the design of the receiver antenna as the gain is low at lower elevation angle [16]. For the purpose of analysis, only SNR of θ ≥ 15 o will be considered because the signal drops significantly at lower θ angle due to the receiver antenna design [15]. The radiation pattern of the patch antenna used in this GPS receiver allows perfect signal reception from boresight with the response attenuated as elevation angle decrease.…”