一个完全集成的3-5 GHz UWB射频收发器,用于WBAN应用

J. Ha, S. Jung, M. Park, K. Lee, Y. Eo
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引用次数: 9

摘要

提出了一种采用纺织天线的全集成化3- 5ghz CMOS超宽带无线体域网络收发器。为了实现低功耗和低复杂度,采用了OOK接收机拓扑结构和数字合成脉冲发生器。为了抑制2.4 GHz以下的干扰,集成了可调谐射频陷波滤波器,在-30 dBm / 2.4 GHz干扰下,测量灵敏度提高了10 dB。传输的超宽带信号是在数字电路中产生的,载波频率和带宽都是可调的。测量到的发射效率和接收灵敏度分别为20.6 pJ/bit和-65 dBm。光纤天线在LOS信道下的最大通信距离为1.5 m。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A fully integrated 3–5 GHz UWB RF transceiver for WBAN applications
A fully integrated 3-5 GHz CMOS UWB RF transceiver for wireless body area network (WBAN) is presented with the textile antenna in this paper. To achieve the low power and low complexity, OOK receiver topology and the digitally synthesized impulse generator are employed. For the rejection of the undesired interferers below 2.4 GHz, the tunable RF notch filter is integrated and the measured sensitivity shows 10 dB improvement of the sensitivity coexistent with the -30 dBm / 2.4 GHz interference. The transmitted UWB signal is generated in digital circuits, and both of the carrier frequency and bandwidth can be tunable. The measured energy efficiency of transmitter and the receiver sensitivity are 20.6 pJ/bit and -65 dBm, respectively. The measured maximum distance of communication is 1.5 m with the textile antenna in LOS channel.
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