密集多径环境下UWB系统的脉冲波形最优设计
被引量：1
Optimal design for pulse waveforms of UWB systems in dense multipath environment
摘要
首次提出几个设计用于密集多径信道下,UWB无线电系统的短脉冲波形作为基本 的UWB发射脉冲的候选波形,并进行研究。对早期文献中使用的脉冲波形和所提脉冲波形的 频谱特性、自相关函数以及其在多径衰落信道下实现的系统BER性能进行仿真和评估。结果 证明,脉冲波形决定UWB信号的频谱特性且对密集多径环境下系统BER性能影响很大,在相 同条件下,所提脉冲波形实现的性能明显优于先前而且这些脉冲的极性不会影响UWB系统 性能。
出处
《无线电通信技术》
2005年第2期32-34,44,共4页
Radio Communications Technology
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