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Closed-Form Symbol Error Probabilities of STBC and CDD MC-CDMA With Frequency-Correlated Subcarriers Over Nakagami-$m$ Fading Channels

机译:Nakagami- $ m $衰落信道上带有频率相关子载波的STBC和CDD MC-CDMA的闭式符号错误概率

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摘要

The performances of cyclic delay diversity and space-time block-coded multicarrier code-division multiple-access (MC-CDMA) systems operating in a Nakagami-m fading channel with correlated subcarriers are investigated. By using the moment-generating function of the correlated Nakagami-m random variable, explicit closed-form formulas for the exact average symbol error rate (SER) of M-ary signals for an MC-CDMA system employing the aforementioned diversity techniques are derived with a maximum ratio combining detection technique. The average SERs are expressed in terms of higher transcendental functions, such as the Gauss and Appell hypergeometric functions. Both numerical and simulation results are presented, showing excellent agreement.
机译:研究了在具有相关子载波的Nakagami-m衰落信道中运行的循环延迟分集和空时分组编码多载波码分多址(MC-CDMA)系统的性能。通过使用相关的Nakagami-m随机变量的矩生成函数,得出采用上述分集技术的MC-CDMA系统的Mary信号的精确平均符号误码率(SER)的显式闭式公式,其中最大比率组合检测技术。平均SER表示为更高的先验函数,例如Gauss和Appell超几何函数。数值和仿真结果均显示,显示出极好的一致性。

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