Performance Analysis and Optimization of Antenna Array Geometries on Wireless Communication Systems
Date Issued
2011
Date
2011
Author(s)
Cheng, Ching-Chia
Abstract
In mobile radio communication systems, channel fading caused by multipath propagation influences the reliability of information transmission. To provide higher transmission quality and spectral efficiency, MIMO greatly migrates the impact of the channel impairment. However, the spatial correlation between the elements of antenna array significantly affects transmission quality and spectral efficiency. Therefore, the spatial correlation characteristics for different array geometries must be considered. For modeling the spatial correlation properties, the spatial correlation functions under 2-D spreading and 3-D spreading environments are derived in chapter 2. A optimization method of array geometry is provided in chapter 3 to chapter 6, which searching the optimal array geometry for maximizing channel capacity using particle swarm optimization. The performance analyses of using uniform linear array (ULA), uniform circular array (UCA), concentric ring array (CRA), and the optimal array are also provided in chapter 3 to chapter 6, considering the effect of spatial correlation and comparing the ergodic channel capacity and bit error rate between these different array geometries.
Subjects
Antenna Array
Particle Swarm Optimization
Spatial CorrelationMIMO
Channel Capacity
File(s)![Thumbnail Image]()
Loading...
Name
ntu-100-R98942102-1.pdf
Size
23.32 KB
Format
Adobe PDF
Checksum
(MD5):c83dc81be54223771387707939ebd673