The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 07, 2008
Filed:
Apr. 19, 2006
Achim Hornbostel, Herrsching, DE;
Arno Schroth, München, DE;
Andriy Konovaltsev, Gilching, DE;
Alexander Steingass, Gilching, DE;
Andreas Eckardt, Berlin, DE;
Holger Venus, Berlin, DE;
Achim Hornbostel, Herrsching, DE;
Arno Schroth, München, DE;
Andriy Konovaltsev, Gilching, DE;
Alexander Steingass, Gilching, DE;
Andreas Eckardt, Berlin, DE;
Holger Venus, Berlin, DE;
Abstract
A signal simulation device for testing and developing radio receivers adapted to orientate antenna beams to different radio transmitters and to simultaneously suppress interference signals, comprises an antenna array, a signal generator generating reproducible digital signals in the complex baseband, and a digital matrix processor combined and synchronized with the signal generator. The processor has input signals generated by the signal generator and has output signals that form received signals of the antenna array. The input signals of the matrix processor are phase shifted according to a direction of incidence and to relative positions of the elements within the antenna array of the radio receiver, and are combined and supplied to outputs of the matrix processor. Amplitude and phase shift are simulated by weighting of the input signals from the signal generator, the weighting coefficients being calculated on a control computer and input into the matrix processor via an interface.