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DPD Linearization Complexity Reduction of Remote Radio Heads in C-RAN with Radio over Fiber Fronthaul

机译:光纤前传中的C-RAN中远程无线电头的DPD线性化复杂度降低

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Radio-over-Fiber (RoF) is a suitable technology for efficiently developing the cloud-RAN concept in Fifth Generation (5G) deployments based on Long Term Evolution Advanced LTE-A. Distortion coming out from the radiofrequency (RF) power amplifier should be taken into account in order to achieve the desired performance at the base station. In this paper, a complexity reduction technique based on a variable degree polynomial predistorter is proposed. The obtained results show that it is possible to achieve a reduction of operations with a penalty of 1.6 dB in ACLR and negligible impact on the EVM.
机译:光纤无线电(RoF)是一种合适的技术,用于在基于长期演进高级LTE-A的第五代(5G)部署中有效开发cloud-RAN概念。为了在基站获得期望的性能,应该考虑射频(RF)功率放大器产生的失真。本文提出了一种基于可变次数多项式预失真器的复杂度降低技术。获得的结果表明,可以减少操作,在ACLR中损失1.6 dB,并且对EVM的影响可以忽略不计。

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