Abstract
In the content of traditional Digital BeamForming(DBF),it cannot implement the identification between the user signals and interferences,although the Direction Of Arrival(DOA) estimation strategy digs out the spacial information of these signals.Similar as the multi-user detection in CDMA mobile communication system,different users were allocated with one pseudo-random(PN) codes in the transmitters respectively.Furthermore,the receiver generated the replicas of transmitted PN codes and did correlation calculation with the received signals to harnesses the identification.The simulation results illustrate that the proposed approach picks up the desired signals and ensures the low false alarm rate and missing detection rate.
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