Receiver with direct quadrature sampling of the input signal

Details Receiver with direct quadrature sampling of the input signal Receiver with direct quadrature sampling of the input signal

H - Electricity

04

B

325/71

H04B 1/16 (2006.01) H04L 27/233 (2006.01)

Patent

CA 2029802

1. Receiver with direct quadrature sampling of the input signal. 2.1 In a receiver in which a normal component and a quadrature component of a signal modulated on a carrier signal are directly produced by carrier signal sampling, the analog-to-digital converter is controlled by means of periodically recurrent sampling pulses having a certain frequency. 2.2 In order to create enhanced selection options from the selectable carrier frequencies it is proposed by this invention to combine a plurality of equidistant sampling instants to a group and to select for the distance between the last sampling instant of one group and the first sampling instant of the next group a time interval different from the distance in time between two successive sampling instants within one group. 2.3 Field of application of the invention is, for example, mobile radio receivers.

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