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FPGA Design of MB-OFDM UWB Baseband System Based on Parallel Structure

机译:基于并行结构的MB-OFDM UWB基带系统的FPGA设计

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A design method of multiband orthogonal frequency division multiplexing ultra wideband (MB-OFDM UWB) baseband system using parallel structure is proposed. FPGA is used to design the transmitter and the receiver. The input of digital to analog conversion (DAC) module, the output of the analog to digital conversion (ADC) module, the synchronization module, the carrier frequency offset (CFO) estimation, and compensation module are all made up of four-channel parallel structures. The simulation results prove that, when the CFO and the sampling frequency offset (SFO) are up to ± 20 ppm, in additive white Gaussian noise (AWGN) channel, CM1 or CM2 channel, the scheme ensures the low bit error rate (BER). It is suitable for high-speed MB-OFDM UWB system.
机译:提出了一种采用并行结构的多频带正交频分复用超宽带(MB-OFDM UWB)基带系统的设计方法。 FPGA用于设计发送器和接收器。数模转换(DAC)模块的输入,模数转换(ADC)模块的输出,同步模块,载波频率偏移(CFO)估计和补偿模块均由四通道并行构成结构。仿真结果表明,当CFO和采样频率偏移(SFO)高达±20 ppm时,在加性高斯白噪声(AWGN)通道,CM1或CM2通道中,该方案可确保低误码率(BER) 。适用于高速MB-OFDM UWB系统。

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