TY - JOUR
T1 - Analytical and Experimental Performance Evaluation of Antenna Misalignment in Ka-band Wireless Links
AU - Rodríguez, Sebastián
AU - Jurado-Navas, Antonio
AU - Olmos, Juan José Vegas
AU - Monroy, Idelfonso Tafur
PY - 2019
Y1 - 2019
N2 - In this paper, we propose a model for the effect of misalignment of antennas due to mechanical vibrations and experimentally validate its accuracy in a Ka-band (26-40 GHz) transmission link. Our approach provides a valuable tool that is analytically tractable and physically simple to implement. To highlight the applicability of the model, a setup based on a centralized radio access network (C-RAN) transmitting and receiving wireless signals in the Ka-band is implemented. With this tool, the robustness of 5G networks to antenna misalignments can be evaluated in terms of bit-error rate. We show how the presence of misalignment in this type of systems induces an error floor observable in the bit-error-rate performance. A simple static decision threshold is implemented taking into account the amount of displacement and, directly related to that factor, on the expected number of fades per unit time. The closed-form expressions derived through this paper are in perfect agreement with the experimental measurements taken from the implemented system.
AB - In this paper, we propose a model for the effect of misalignment of antennas due to mechanical vibrations and experimentally validate its accuracy in a Ka-band (26-40 GHz) transmission link. Our approach provides a valuable tool that is analytically tractable and physically simple to implement. To highlight the applicability of the model, a setup based on a centralized radio access network (C-RAN) transmitting and receiving wireless signals in the Ka-band is implemented. With this tool, the robustness of 5G networks to antenna misalignments can be evaluated in terms of bit-error rate. We show how the presence of misalignment in this type of systems induces an error floor observable in the bit-error-rate performance. A simple static decision threshold is implemented taking into account the amount of displacement and, directly related to that factor, on the expected number of fades per unit time. The closed-form expressions derived through this paper are in perfect agreement with the experimental measurements taken from the implemented system.
KW - Directive antennas
KW - Millimeter wave propagation
KW - Mobile communication
KW - Modeling
U2 - 10.1007/s11036-018-1158-0
DO - 10.1007/s11036-018-1158-0
M3 - Journal article
AN - SCOPUS:85061630861
SN - 1383-469X
VL - 24
SP - 564
EP - 577
JO - Mobile Networks and Applications
JF - Mobile Networks and Applications
IS - 2
ER -