瑞利衰落信道中重复MB-OFDM误差概率的上界

B. Gaffney, A. Fagan, S. Rickard
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引用次数: 3

摘要

确定了在瑞利多径信道中使用任意卷积码的符号重复正交相移键控(QPSK) OFDM系统误码率的近似上界。用瑞利随机变量和Q函数的和的适当逼近逼近上界。然后,我们通过仿真证明,这些上界适用于多频带正交频分复用(MB-OFDM)超宽带系统中感兴趣的误码率,并为这些系统在实际信道中的性能提供了很好的见解。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Upper bound on the probability of error for repetition MB-OFDM in the Rayleigh fading channel
An approximate upper bound on the bit-error rate (BER) of a quadrature phase shift keying (QPSK) OFDM system with symbol repetition using any convolutional code in the Rayleigh multipath channel is determined. The upper bound is approximated with appropriate approximations for the sum of Rayleigh random variables and the Q function. We then demonstrate, through simulation, that these upper bounds are good at the BER's of interest in a multiband orthogonal frequency division multiplexing (MB-OFDM) ultra-wideband system and give good insight into the performance of these systems in practical channels.
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