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Performance of ultra-wideband transmission with pulse position amplitude modulation and rake reception

机译:具有脉冲位置幅度调制和耙接收的超宽带传输性能

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Recently, pulse position amplitude modulation (PPAM) has been proposed for ultra-wideband (UWB) communication systems. PPAM combines pulse position modulation (PPM) and pulse amplitude modulation (PAM) to provide better performance and higher system capacity with low computational complexity. A rake receiver can make use of the rich multipath of UWB systems to improve system performance and capacity. In this paper we present the performance of a rake receiver employing maximal ratio combining (MRC) in a time hopping (TH) UWB system with PPAM modulation. Performance in a practical multipath fading channel is considered. The error probability and a union bound on performance are derived for a block fading environment Numerical results are given to illustrate the system performance.
机译:最近,已经提出了用于超宽带(UWB)通信系统的脉冲位置幅度调制(PPAM)。 PPAM结合了脉冲位置调制(PPM)和脉冲幅度调制(PAM),以提供更好的性能和更高的计算复杂度的系统容量。 Rake接收器可以利用UWB系统的丰富多径,以提高系统性能和容量。在本文中,我们在具有PPAM调制的时间跳跃(TH)UWB系统中,呈现采用最大比率组合(MRC)的最大比率的抛轮接收器的性能。考虑了实际多径衰落频道中的性能。误差概率和绑定性能的union绑定为块衰落环境,给出了数字结果,以说明系统性能。

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