PARALLEL DISTRIBUTED SAMPLE ACQUISITION SYSTEM AND SPREADING BANDWIDTH SIGNAL ACQUISITION METHOD USING THE SAME

摘要

PURPOSE: A parallel distributed sample acquisition system and a spreading bandwidth signal acquisition method using the same are provided to effectively perform an SRG synchronization using a parallel distributed sample acquisition(PDSA) method in a non-binary DS/CDMA system. CONSTITUTION: A transmission unit of a parallel distributed sample acquisition system includes a PDSA spreading unit(100) and a parallel sample spreading unit(110), and a receiving unit of the same includes a parallel sample reverse spreading unit and a PDSA reverse spreading unit. The PDSA spreading unit(100) of the transmission unit includes the first main SRG(101) which generates a main sequence, and an earlier parallel sample unit(102) which samples a b-number of state samples based on a main sequence generated by the first main SRG(101). The parallel sample spreading unit(110) includes a symbol generator(111) which maps the b-number of the state samples sampled by the earlier parallel sample unit(102) to a 2b binary symbol, the first igniter SRG(112) which generates an igniter sequence for transferring a state sample of the main SRG having a length L to the receiving unit for a high speed acquisition of the main sequence, and a spreading unit(113) which multiplies the 2b binary symbol generated by the symbol generator(111) with an ignition sequence generated by the first igniter SRG(112).