期刊文献+

超宽带Rake接收机在密集多径信道下的性能 被引量:1

Performance of Ultra-wide Band Rake Receivers in Dense Multipath Channels
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摘要 超宽带信号在室内环境中将经历密集多径传播,产生严重的时间弥敞。采用Rake接收是提高超宽带接收机性能的重要手段。该文针对采用BPSK调制的超宽带系统,推导出密集多径信道下Rake接收机的误码性能计算公式,揭示了Rake接收机性能与多径信道参数以及脉冲波形自相关系数之间的关系。针对典型信道模型和脉冲给出了计算实例。 In indoor environments, ultra-wide band signals suffer from dense multipath propagation and severe time dispersion. Rake reception is an important way to boost the performance of ultra-wide band receivers. With the assumption that BPSK modulation is used, the equations used to compute BER performance of Rake receivers in dense multipath channels are derived. The BER performance is related to the multipath channel parameters and the pulse autocorrelation coefficients. With a typical channel model and specific pulse shapes, the computation has been done.
出处 《电子与信息学报》 EI CSCD 北大核心 2005年第3期415-418,共4页 Journal of Electronics & Information Technology
基金 国家863计划(2003AA123240)资助课题
关键词 超宽带 RAKE接收机 多径信道 Ultra-wide band, Rake receiver, Multipath channel
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参考文献10

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同被引文献9

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