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Autor(en):
Do-Hong, Tuan; Olbrich, Gerhard R.; Russer, Peter 
Titel:
Reduction of Complexity for Digital Beamforming in High-Altitude-Platform and Satellite Systems 
Abstract:
In this paper, we propose a new digital beam-forming scheme for high-altitude-platform (HAP) and satellite systems. In the proposed scheme, the number of antenna elements and the corresponding receiver modules, analog to digital (A/D) converters etc., can significantly be reduced without loss of performance. As a result, the system complexity and system costs can be reduced. Furthermore, in the proposed scheme, it allows to specify narrow main beamwidth and low sidelobe level simultaneously. Ill...    »
 
Stichworte:
analog to digital converters, analogue-digital conversion, antenna accessories, antenna elements, array signal processing, beamwidth, high altitude platform, low sidelobe level, receiver modules, receivers, satellite systems 
Kongress- / Buchtitel:
IEEE MTT-S International Microwave Symposium 
Band / Teilband / Volume:
Verlagsort:
Philadelphia, PA, USA 
Jahr:
2004 
Monat:
jun 
Seiten:
1245--1248 
Print-ISBN:
0149-645X