An Innovative Semi-UWB Passive Transponder for Wireless Sensor and RFID Applications

First International Conference on Industrial and Information Systems Pub Date : 2006-08-01 DOI:10.1109/ICIINFS.2006.347169

M. Nejad, Cairong Chen, Hanuu Tenhunen, Lirong Zheng

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引用次数: 10

Abstract

In this paper, we present a self-powered CMOS impulse-based ultra wideband radio system for RFIDs and wireless sensor networks (WSN) applications. It is integrated in a liquid-crystal polymer (LCP) based system on package (SoP) module with an embedded small antenna. Our contribution includes using two different standards in up and downstream link. In downstream link, due to demand of low complex, low cost and low power circuit, a very simple and extremely low power pulse width demodulator is used to extract the data from received RF signal. An IR-UWB transmitter is used to transmit the data in upstream link. Power supply is taken from the received RF electromagnetic wave with help of a Schottky diode voltage multiplier. Unlike traditional wireless systems, due to great advantages of UWB communication this transponder does not suffer from multi-path fading, collision problem and multi-user interference. The front-end circuit consists of the power converter; PWM receiver, IR-UWB transmitter, and embedded UWB antenna are designed for integration on liquid-crystal polymer (LCP) substrate

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用于无线传感器和RFID应用的创新半超宽带无源应答器

在本文中，我们提出了一种基于自供电CMOS脉冲的超宽带无线电系统，用于rfid和无线传感器网络(WSN)应用。它被集成在一个基于液晶聚合物(LCP)的封装(SoP)模块的系统中，并带有一个嵌入式小天线。我们的贡献包括在上下游链路中使用两种不同的标准。在下游环节，由于对低复杂度、低成本、低功耗电路的要求，采用了一种非常简单、极低功耗的脉宽解调器从接收到的射频信号中提取数据。在上行链路上使用IR-UWB发射机传输数据。在肖特基二极管电压倍增器的帮助下，从接收到的射频电磁波中获取电源。与传统的无线系统不同，由于超宽带通信的巨大优势，该转发器不受多径衰落、碰撞问题和多用户干扰的困扰。前端电路由功率变换器组成;将PWM接收器、IR-UWB发射器和嵌入式UWB天线集成在液晶聚合物(LCP)衬底上

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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First International Conference on Industrial and Information Systems

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