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FPGA implementation of multichannel satellite modulator: An efficient data buffering technique

机译:多通道卫星调制器的FPGA实现:一种有效的数据缓冲技术

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This paper discusses the design and successful implementation of a packet based Multichannel satellite modulator using efficient, novel Data buffering technique. The modulator receives data from IP network and transmits it to satellite network. The scheme allows for loss-less transfer of data from Best effort IP based packet network to a circuit switched fixed bit rate narrow band continuous satellite modulator. The multichannel scalable modulator is implemented in Xilinx Virtex-6 FPGA. The IP packet processed in another device reaches FPGA via EMIF interface as RAW chunk of data of multiple channels, which are further processed and buffered using a novel low latency scheme. The buffered data is serialized and modulated. The modulation chain incorporates [1] INTEL-SAT V.35 Scrabmbler, Differential encoder, 1/2 rate convolutional encoder, RRC filtering and employs BPSK modulation.
机译:本文讨论了使用高效,新颖的数据缓冲技术的基于分组的多通道卫星调制器的设计和成功实现。调制器从IP网络接收数据并将其传输到卫星网络。该方案允许从基于尽力而为IP的分组网络到电路交换固定比特率窄带连续卫星调制器的数据无损传输。多通道可扩展调制器在Xilinx Virtex-6 FPGA中实现。在另一个设备中处理的IP数据包作为多个通道的RAW数据块通过EMIF接口到达FPGA,并使用新颖的低延迟方案对其进行进一步处理和缓冲。缓冲的数据被序列化和调制。调制链包含[1] INTEL-SAT V.35 Scrabmbler,差分编码器,1/2速率卷积编码器,RRC滤波,并采用BPSK调制。

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