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首页> 外文期刊>Communications, IEEE Transactions on >Non-Coherent Cell Identification Detection Methods and Statistical Analysis for OFDM Systems
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Non-Coherent Cell Identification Detection Methods and Statistical Analysis for OFDM Systems

机译:OFDM系统的非相干小区识别检测方法及统计分析

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摘要

To achieve high-performance cell identification detection with low complexity for orthogonal frequency division multiplexing (OFDM) systems, this work proposes an efficient non-coherent cell identification (ID) detection technique based on a new optimization metric. Furthermore, the metric is simplified to two lower-complexity metrics. As such, two more modified cell ID detection methods extended from the first one are also proposed. Experiments show that all the three new cell ID methods achieve better performances than the conventional methods in multipath Rayleigh fading channels. This work also conducts the statistical analysis to characterize the proposed techniques completely. It is shown that the results of the theoretical analysis are close to the simulation results. Among the new techniques, specifically, the third proposed method using the second simplified new metric has much lower complexity and higher performance than the conventional methods.
机译:为了实现正交频分复用(OFDM)系统的低复杂度高性能小区识别检测,这项工作提出了一种基于新的优化度量的高效非相干小区识别(ID)检测技术。此外,该度量被简化为两个较低复杂度的度量。这样,还提出了从第一种方法扩展的另外两种改进的小区ID检测方法。实验表明,在多径瑞利衰落信道中,三种新的小区ID方法均比常规方法具有更好的性能。这项工作还进行了统计分析,以完全表征所提出的技术。结果表明,理论分析结果与仿真结果相近。在新技术中,特别是,使用第二种简化的新度量的第三种建议方法比传统方法具有更低的复杂度和更高的性能。

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