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首页> 外文会议>2013 International Workshop on Microwave and Millimeter Wave Circuits and System Technology >The research on the design of the RF front-end for the LTE - Advanced mobile terminals
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The research on the design of the RF front-end for the LTE - Advanced mobile terminals

机译：LTE射频前端的设计研究-高级移动终端

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LTE-Advanced technology is required to support 100MHz channel bandwidth and transfer rates in excess of 1Gbps. The 2.6GHz band is one of the core band of LTE-Advanced technology. This paper provide the detailed design of the RF front-end. The receiver uses the traditional double-conversion superheterodyne structure, while transmitter uses a zero-IF structure, able to obtain high receiver sensitivity and channel selectivity and small size. The tests' results show that the overall system performance is generally satisfactory. In the transmitter, the maximum output power is up to 23dBm and IMD3 is better than 45dB, for the 100MHz 16-QAM signal, the modulation accuracy is better than 4.18%; in the receiver, the gain flatness is less than 2.66dB, for the 5MHz 16-QAM modulated signals within the passband, the modulation accuracy is better than 1.34%. The transceiver switch time is less than 1.72µs.
机译：需要LTE-Advanced技术来支持100MHz的信道带宽和超过1Gbps的传输速率。 2.6GHz频段是LTE-Advanced技术的核心频段之一。本文提供了射频前端的详细设计。接收器使用传统的双转换超外差结构，而发送器使用零中频结构，能够获得较高的接收器灵敏度和信道选择性以及较小的尺寸。测试结果表明总体系统性能令人满意。在发射机中，最大输出功率高达23dBm，IMD3优于45dB，对于100MHz的16-QAM信号，调制精度优于4.18％。在接收机中，增益平坦度小于2.66dB，对于通带内的5MHz 16-QAM调制信号，调制精度优于1.34％。收发器的切换时间小于1.72µs。

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