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Average PER Performance Metrics of Iterative Successive Interference Cancellation

机译:迭代连续干扰消除的平均PER性能指标

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摘要

The average packet error rate (PER) and user-PER profiles of iterative successive interference cancellation (I-SIC) are analyzed for a proof-of-concept scenario where asymptotically many code-division-multiple-access users share the same channel encoder. To characterize the iterative decoding receiver, we propose a novel multivariate PER function evaluated over the consecutive signal-to-interference-plus-noise ratios (SINRs) experienced by each undecoded user. Analytic expressions for the user-energy and user-SINR profiles at every iteration are derived via warping operators on the user ordering that relate the asymptotic distribution of undecoded users at different iterations. Monte Carlo simulations using a chip-level I-SIC implementation assess the accuracy of the proposed user-limit analysis.
机译:针对概念验证场景分析了迭代连续干扰消除(I-SIC)的平均数据包错误率(PER)和用户PER配置文件,其中渐近地许多码分多址用户共享同一信道编码器。为了表征迭代解码接收器,我们提出了一种新颖的多元PER函数,该函数在每个未解码用户经历的连续信号干扰加噪声比(SINR)上进行了评估。每次迭代中用户能量和用户SINR配置文件的解析表达式是根据用户顺序上的变形运算符得出的,这些变形运算符关联了未迭代用户在不同迭代中的渐近分布。使用芯片级I-SIC实现的蒙特卡洛模拟评估了所提出的用户极限分析的准确性。

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