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Baseband estimation and compensation of joint TX/RX I/Q imbalance in SC-FDE transceivers

机译:SC-FDE收发器中联合TX / RX I / Q不平衡的基带估计和补偿

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Previous work on I/Q imbalance in SC-FDE transceivers investigates the effect of receiver I/Q imbalance but does not consider Doppler effects due to mobility. SCFDE in doubly-selective channels is studied without considering I/Q imbalance. In this paper, we derive an equivalent channel model for SC-FDE in the presence of both joint Tx/Rx I/Q imbalance and mobility and present an effective low-complexity digital baseband compensation scheme. Furthermore, we propose a novel joint channel and I/Q imbalance parameter estimation scheme for SC-FDE transceivers.
机译:先前有关SC-FDE收发器中I / Q不平衡的工作研究了接收机I / Q不平衡的影响,但并未考虑由于移动性引起的多普勒效应。在不考虑I / Q不平衡的情况下研究了双选择通道中的SCFDE。在本文中,我们在同时存在Tx / Rx I / Q不平衡和移动性的情况下,推导了SC-FDE的等效信道模型,并提出了一种有效的低复杂度数字基带补偿方案。此外,我们提出了一种新颖的SC-FDE收发器联合信道和I / Q不平衡参数估计方案。

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