OFDM System Identification for Cognitive Radio Based on Pilot-Induced Cyclostationarity
This paper presents an approach that enables the receiver to identify the DVB standard among different systems employing the OFDM technique (Orthogonal Frequency Division Multiplexing) consisting of large number of mutually orthogonal sub carriers. This characteristic provides high robustness against multi-path effects. The pilot induced cyclostationarity (PIC) approach is one of the new algorithms introduced recently to discuss the OFDM systems identification problem. Although this algorithm reflects good performance in term of correct classification, it still suffers from some limitations when identifying some standard such as DVB. In this paper, we are looking for the DVB recognition based on the PIC. Simulation results show that system recognition based on the proposed method exhibits excellent correct detection probability.