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中文摘要：
为估计重叠时分复用（OVTDM）系统性能,采用基于数值计算的方法,推导了加性高斯白噪声（AWGN）信道中符号为二相调制（BPSK）、采用最大似然（ML）准则时,OVTDM系统的一个性能界（称为修正一致界）.仿真结果表明,在误符号率（SER）为10-6时,该界与实际系统的归一化信噪比误差不会超过3 dB.
英文摘要：
An upper bound of overlapped time division multiplexing （OVTDM） system in additive white Gaussian noise （AWGN） channel with binary phase-shift keying （BPSK） modulation named modified union bound is given using the maximum likelihood （ML） rule. The bound approaches the real performance by no more than 3 dB at a symbol error rate（SER） of 10 6 in the simulation.
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