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Key Distortion Issues and Their Solutions in Direct-Conversion Transmitters for Today's Mobile Communication Systems

机译:对当今移动通信系统的直转化发射机中的关键失真问题及其解决方案

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In the wireless communication systems, owing to the increasing demands for high data rate and high efficiency, several practical challenges arise in the design of direct-conversion transmitters (DCTs) for system-on-chip (SoC) or system-in-package (SiP) applications. According to the existing literatures, power amplifier (PA) nonlinearity and local oscillator (LO) pulling are the most critical factors to deteriorate the transmit signal quality. In this work, the above two issues are carefully investigated so as to improve the resultant distortion of the DCT output signal.
机译:在无线通信系统中,由于对高数据速率和高效率的需求越来越大,在片上系统(SOC)或系统中的直接转换发射机(DCT)设计中出现了几种实际挑战( SIP)应用程序。根据现有文献,功率放大器(PA)非线性和本地振荡器(LO)拉动是劣化发射信号质量的最关键因素。在这项工作中,仔细研究了上述两个问题,以提高DCT输出信号的产生失真。

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