Publications – Details
Estimation of the Radio Channel Parameters from a Circular Array with Directional Antennas
- Authors:
- Annika Böttcher, Christian Schneider, Milan Narandzic, Peter Vary, and Reiner S. Thomä
- Book Title:
- Proceedings of IEEE Vehicular Technology Conference (VTC-Spring)
- Venue:
- Budapest, Hungary
- Event Date:
- 15.-18.5.2011
- Organization:
- IEEE
- Date:
- May 2011
- Language:
- English
Abstract
Channel sounding, channel modeling and their parameter extraction in particular considering MIMO configurations, plays an important role for todays realistic wireless system design and evaluation. The analysis of the gathered channel sounding data has to match the specifics in the measurement system configuration. Within this contribution directional antenna arrays are used at both sides of the measured link. Furthermore, the measurement system applies automatic gain control between subsequent MIMO snapshots and additionally within the MIMO matrix. Both features lead to improved measurement accuracy.
A new extension of existing power and delay domain analysis procedures considering the automatic gain control within the MIMO matrix is introduced and evaluated. The results show that delay spread and K-factor are more affected, while shadow fading and cross polarization ratios are almost not.
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