Optimized FPGA Realization of Digital Matched Filter in Spread Spectrum Communication Systems
Sydney, QLD（2008）
摘要
Digital matched filter (DMF) is the key component of fast pseudo noise (PN) code synchronization in direct spread-spectrum systems (DSSS), and its realization is a crucial technology of digital DSSP receiver. For long PN code DMF needs a mass of hardware resource, recursive delay chain, folded DMF and time-division multiplexing are used to optimize FPGA realization of DMF to reduce the consumption of FPGA resource, which would reduce the cubage and cost of the receivers'.
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关键词
code synchronization,direct spread,matched filters,optimized fpga realization,long pn code,hardware resource,folded dmf,pseudonoise codes,digital dssp receiver,spread spectrum communication systems,recursive delay line,spread spectrum communication,crucial technology,time-division multiplexing,fpga realization,receivers,spectrum systems,fpga,pseudo noise code synchronization,direct spread-spectrum systems,digital matched filter,field programmable gate arrays,fpga resource,synchronisation,time division multiplexing,frequency,spread spectrum,registers,hardware,adders,finite impulse response filter,matched filter,sampling methods
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