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Estimation of Direction of Arrival and Beamforming in Adaptive Array Antennas
Blekinge Institute of Technology, School of Engineering, Department of Telecommunication Systems.
Blekinge Institute of Technology, School of Engineering, Department of Telecommunication Systems.
2005 (English)Independent thesis Advanced level (degree of Master (One Year))Student thesis
Abstract [en]

In recent years there has been a rapid growth in the number of wireless users, particularly in the area of mobile communications. This rapid growth in mobile communications demands for more system capacity through efficient utilization of frequency spectrum and also keeping the Interference as low as possible. In today’s Radio resource management, Adaptive array antennas have an important role in increasing the system capacity and controlling the interference in mobile communications. Adaptive array antenna is an antenna system, which uses spatially separated antennas called array antennas and processes the received signals with a digital signal processor. Simply speaking these array antennas can reduce the co channel interference and effectively utilize the bandwidth by steering a high gain in the direction of interest and low gains in the undesired directions, technically this is called adaptive beamforming. This adaptive beamforming enables the base station to form narrow beam towards desired user and nulls towards the interfering user, hence improving the signal quality.

Place, publisher, year, edition, pages
2005. , 47 p.
Keyword [en]
Direction of Arrival, Beamforming
National Category
URN: urn:nbn:se:bth-3386Local ID: diva2:830692
Available from: 2015-04-22 Created: 2006-04-10 Last updated: 2015-06-30Bibliographically approved

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