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Autor(en):
Do-Hong, Tuan; Olbrich, Gerhard R.; Russer, Peter 
Titel:
A New Digital Beamforming Scheme for High-Altitude-Platform Based Communication Systems 
Abstract:
In this paper we present a digital beamforming scheme for wireless communication systems based on high altitude platforms. The proposed digital beamforming scheme, which is installed on the platforms in high-altitude-platform (HAP) systems, can reduce significantly the number of antenna elements and the corresponding receiver modules, analog to digital (A/D) converters etc. without loss of performance. As a result, the system complexity and the system costs can be reduced, therefore enhancing fe...    »
 
Stichworte:
A/D converter, adaptive antenna arrays, analog to digital converter, analogue-digital conversion, antenna element, array signal processing, digital beamforming scheme, high-altitude-platform based communication system, narrow main beam width, radio receivers, receiver module, wireless communication system 
Kongress- / Buchtitel:
ITG Workshop on Smart Antennas 
Verlagsort:
Munich, Germany 
Jahr:
2004 
Monat:
may 
Seiten:
63--68