| 摘要 |
A signal processing device (D) is installed in a base station (Node B) of a cellular communications network, for example. Said device (D) comprises processing means (MT) adapted to effect preamble detection, as a function of detection parameters, on each signal sent by a requesting terminal (UE) in an authorized access slot and representative of a preamble of a request to access the network associated with an authorized signature. The processing means (MT) are adapted, on receiving a signal requesting access to the network sent by a requesting terminal (UE), to determine a value for at least one detection parameter chosen as a function of at least one selected parameter representative of the radio environment of the requesting terminal so as to adapt the detection of the received signal dynamically as a function of the radio environment of the requesting terminal (UE).
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