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Efficient Implementation of a Demultiplexer Based on a Multirate Filter Bank for the Skyplex Satellites DVB System

机译:Skyplex卫星DVB系统基于多速率滤波器组的多路分解器的高效实现

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In this paper, an extensive comparison among alternative algorithms for the implementation of a digital demultiplexer has been carried out. The computational complexity, the performances and the accuracy with respect to the quantization effects (quantization noise and coefficient quantization) have been evaluated for the different algorithms. The selected digital architecture has been designed to be compliant with the Eutelsat specifications for the Skyplex Digital Video Broadcast (DVB) television system (Re, M., Cardarilli, G.C., Del Re, A. and Lojacono R. (2000) “FPGA Implementation of a Demux based on a multirate filter bank”.International Symposium on Circuits and Systems 2000, 5 (May), 353–356). At present, a more expensive and complex analog structure, based on six Surface Acoustic Wave (SAW) filters, is used. The new digital architecture has been mapped on six Altera Flex 10K-100 devices. The final test bed, that includes a complete interface to the demodulator, has been implemented on a four-layers PCB.
机译:在本文中,对实现数字多路分解器的替代算法进行了广泛的比较。对于不同的算法,已经对量化效果(量化噪声和系数量化)的计算复杂性,性能和准确性进行了评估。所选的数字体系结构已设计为符合Skyplex数字视频广播(DVB)电视系统的Eutelsat规范(Re,M.,Cardarilli,GC,Del Re.A.和Lojacono R.(2000)“ FPGA实现“基于多速率滤波器组的多路复用器的设计”。国际电路与系统专题讨论会2000,5(5月),353-356)。目前,使用了基于六个表面声波(SAW)滤波器的更昂贵,更复杂的模拟结构。新的数字架构已映射到六个Altera Flex 10K-100器件上。最终测试台包括一个与解调器的完整接口,已在四层PCB上实现。

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