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Method for the acquisition of impulse responses, e.g. for ultra-wideband systems

 
: Wagner, Christoph; Römer, Florian; Semper, Sebastian; Del Galdo, Giovanni

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Frontpage ()

EP 3806413 A1: 20191007
Englisch
Patent, Elektronische Publikation
Fraunhofer IIS ()

Abstract
There are disclosed techniques (e.g., apparatus, methods) for estimating an impulse response (30) of a linear system (4).An apparatus (100) may be configured to generate (7) a transmit signal (23) on the basis of a first sequence. The apparatus (100) may be configured to obtain a receive signal (24) and to multiply (9) the receive signal (24) with a second sequence (25), to obtain a modified receive signal (26), wherein the second sequence (25) is different from the first sequence. The apparatus (100) may be configured to analog-to-digital, ADC, convert (11) an integration result (27) in order to obtain a sample value (28), the integration result (27) being based on an integration (10) of the modified receive signal (26) over a period (Ts) of time. The apparatus (100) may be configured to obtain an estimate (30) of the impulse response on the basis of a plurality (29) of sample values (28).

: http://publica.fraunhofer.de/dokumente/N-635884.html