存在收发相位噪声时OFDMA上行信噪比的分析研究

2017 International Conference on Computer, Communications and Electronics (Comptelix) Pub Date : 2017-07-01 DOI:10.1109/COMPTELIX.2017.8003931

Kamayani Shrivastav, R. P. Yadav

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引用次数: 0

摘要

本文对任意子载波映射下收发相位噪声(PHN)对正交频分多址(OFDMA)上行系统性能的影响进行统计分析。在以往的出版物中，大多数假设载波间干扰(ICI)的复高斯分布，但在本文中，我们推导了不受这种限制的信噪比(SINR)的封闭形式表达式，然后将其作为关键系统参数的函数进行分析。这种改进的评价方法严格地规定了某OFDMA上行系统的合理可接受的PHN特性，用高斯近似解释了本振(LO)严重的不规范问题。

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Analytical study of SINR for OFDMA Uplink in presence of Transceiver Phase Noise

This paper addresses the statistical analysis of Transceiver Phase Noise (PHN) effect on Orthogonal Frequency Division Multiple Access (OFDMA) Uplink system performance for arbitrary subcarrier mapping. In most of the previous publications Complex Gaussian distribution of Inter Carrier Interference (ICI) was assumed, however in this paper we derive a closed form expression for the signal-to-interference+ noise ratio (SINR) without such restriction and then analyse it as a function of critical system parameters. This improved evaluation stringently specifies the plausible acceptable PHN characteristics for a certain OFDMA Uplink system and explains the serious under specification of Local Oscillator (LO) with Gaussian approximation.

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2017 International Conference on Computer, Communications and Electronics (Comptelix)

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