In this paper the relative performances of antenna elements are assessed by combining the measured full (3D) far-field radiation patterns of each with measured angle of arrival data for a laboratory/office space. Three element types (Cavity-backed Slot, Printed Inverted-F and Dielectric Resonator) at two positions on a small mobile terminal are considered, and the terminal is tilted and rotated in order to determine the variation in performance that is obtained for three transmitter locations. Results are presented as cumulative distribution functions of directivity relative to a benchmark Hertzian dipole for operation at 5.2GHz. A variation in signal strength of greater than 30dB was observed due to both the directivity of the elements and their polarisation alignment with the vertical transmitting source.
|Title of host publication||Loughborough Antennas and Propagation Conference (LAPC), 2011|
|Publisher||Institute of Electrical and Electronics Engineers (IEEE)|
|Pages||1 - 5|
|Number of pages||5|
|ISBN (Print)||9781457710148, 9781457710155|
|Publication status||Published - 14 Nov 2011|
Bibliographical noteRose publication type: Conference contribution
Additional information: With accompanying conference presentation
Sponsorship: The authors wish to thank the Centre for Communication Research, University of Bristol, for the use of the anechoic chamber and extensive laboratory facilities.
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- antenna tilt
- (3D) farfield radiation patterns
- printed Inverted-F
- dielectric Resonator
- cavity back slot
Hilton, GS., Mellios, E., Kong, D., Halls, DE., & Nix, AR. (2011). Evaluating the effect of antenna tilt and rotation on antenna performance in an indoor environment. In Loughborough Antennas and Propagation Conference (LAPC), 2011 (pp. 1 - 5). Institute of Electrical and Electronics Engineers (IEEE). https://doi.org/10.1109/LAPC.2011.6114005