Provided in a reception device (10) for receiving a transmission signal (US) in which, adhering to a communications protocol, reception data (ED) can be transmitted to the reception device (10) from a transmission device (2, 3) are reception means (12) for receiving the transmission signal (US), and evaluation means (16) for evaluating the received transmission signal (US) and for emitting a bit sequence (BFT) received in the transmission signal (US), which bit sequence (BFT) may contain bits of reception data (ED) transmitted from the transmission device (2, 3) but also bits (SB) occasioned by an interference to the transmission signal (US), and checking means (18) for checking whether the received bit sequence (BFT) infringes a rule of the communications protocol, wherein the reception device (10) is designed to continue with the reception of the transmission signal (US) and the checking of the received bit sequence (BFT) following the occurrence of an infringement of the communications protocol.