Ur Rehman, M. , Chen, X., Parini, C. G. and Ying, Z. (2012) Evaluation of a statistical model for the characterization of multipath affecting mobile terminal GPS antennas in sub-urban areas. IEEE Transactions on Antennas and Propagation, 60(2), pp. 1084-1094. (doi: 10.1109/TAP.2011.2173134)
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Abstract
This paper describes and validates a technique to characterize the environmental effects on mobile terminal GPS antennas using statistical model. This method requires the knowledge of 3-D free space antenna gain patterns and average angular distribution of incident power in the environment. The power distribution must be known in both elevation and azimuth and separately for parallel and perpendicular polarizations. The antenna performance is assessed in terms of GPS Mean Effective Gain (MEG GPS ) and GPS Coverage Efficiency (η c ). Angle of Arrival (AoA GPS ) distributions of incident GPS radio waves arriving at the mobile terminal are assumed to be randomly uniform in both the azimuth and elevation planes. It effectively replicates the open field (sub-urban) working conditions for the mobile terminal GPS antennas. The method could be adapted to an urban environment by introducing the information of AoA GPS distributions. A lengthy open field measurement campaign based on received signal-to-noise ratio (SNR) and mean number of tracked GPS satellites is carried out to validate the statistical model.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Ur Rehman, Dr Masood |
| Authors: | Ur Rehman, M., Chen, X., Parini, C. G., and Ying, Z. |
| College/School: | College of Science and Engineering > School of Engineering |
| Journal Name: | IEEE Transactions on Antennas and Propagation |
| Publisher: | IEEE |
| ISSN: | 0018-926X |
| ISSN (Online): | 1558-2221 |
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