基于包络跟踪PA的FDD LTE收发器接收机脱敏

2014 IEEE 11th International Multi-Conference on Systems, Signals & Devices (SSD14) Pub Date : 2014-05-01 DOI:10.1109/SSD.2014.6808876

A. Cidronali, S. Maddio, G. Collodi, G. Manes

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引用次数: 2

摘要

本文分析了基于包络跟踪(ET)的FDD收发器中由于与发射机相互作用而导致的接收机脱敏问题。本研究的目的是评估几个系统参数、实施约束和系统性能之间可能的权衡。本文所报告的数据考虑了前人研究获得的ET-PA精确模型，并结合了数据流和包络线模拟。作为案例研究采用的测试信号是用于上行链路用户设备的传统LTE10。本文表明，在包络调制路径中的DAC ENOB和整形函数离散化之间的最佳权衡分别为9位和2^6字节。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Receiver desensitization in Envelope Tracking PA based FDD LTE transceivers

This paper analyses the issue of receiver desensitization, due to the interaction with the transmitter in Envelope Tracking (ET) based FDD transceivers. The purpose of the study is to assess the possible trade-offs between the several system parameters, the implementation constraints and the system performance. The data reported in the paper consider an accurate model of the ET-PA obtained by a previous research, and a combination of data-flow and envelope simulations. The test signal adopted as case study is a legacy LTE10 for up-link user equipments. The paper shows that a best trade-off between the DAC ENOB in the envelope modulation path, and the shaping function discretization, consists respectively in 9 bit and 2^6 byte.

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来源期刊

2014 IEEE 11th International Multi-Conference on Systems, Signals & Devices (SSD14)

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