Czasopismo | PRZEGLĄD ELEKTROTECHNICZNY | Rocznik 2016 - zeszyt 6

Design Estimations and Channel Capacity Calculations for Spatial, Polarized MIMO Antenna System for Mobile Applications

10.15199/48.2016.06.31

Muhammad USMAN

nr katalogowy: 98807
10.15199/48.2016.06.31

Mobile MIMO (Multiple Input Multiple Output) communications provides an improved transmission capacity and error performance over traditional digital transmission systems. In this paper the spatial, polarization technique is used in order to improve the channel capacity of the proposed system. The potential for integrating MIMO systems comprising both 22 and 33 elements into a mobile handset environment will be considered. The MIMO channels will be subject to Rayleigh fading, and the results are compared against linear (or planar) arrays. In addition, different azimuthal spectra will be considered in evaluating the actual system performance. Streszczenie. W artykule opisano wykorzystanie techniki przestrzennej polaryzacji anteny w celu poprawy pojemności systemu przesyłowego MIMO. System składa się z dwóch 2x2 i 3x3 elementów przystosowanych do odbiorników przenośnych. Projektowanie i obliczanie pojemności kanałów w przestrzennym spolaryzowanym systemie anten MIMO w zastosowaniu do urządzeń przenośnych Keywords: MIMO, Channel Capacity, Polarization, Rayleigh Fading Channel. Słowa kluczowe: system MIMO, antena, polaryzacja, pojemność kanału Introduction Multiple Input Multiple Output communication systems are able to provide an increased data rate, with consequently improved error performance as compared to systems without multiple antennas [1-4]. For antenna systems a particular area of interest is the practical utilisation of multi-path propagation [5, 7]. During the propagation of signals from the transmitter side, these transmitted signals reflected from intermediate objects which cause these signals to travel along separate paths with different time of arrival at the receiver end. These effects combined with digital beam-forming enhance the potential for greater system capability and bandwidth. In order to realize this potential it is necessary to understand how the use of spatial correlation based on polarizatio[...]

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