| ASK调制度对无源RFID系统能量和数据传输的影响 |
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| 引用本文： | 曾孝平,赵小刚,熊 东,崔正磊,毛 东.ASK调制度对无源RFID系统能量和数据传输的影响[J].太赫兹科学与电子信息学报,2009,7(6):497-500. |
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| 作者姓名： | 曾孝平 赵小刚 熊 东 崔正磊 毛 东 |
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| 作者单位： | 重庆大学,通信工程学院,重庆,400030 |
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| 基金项目： | 重庆市教委科技计划项目 |
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| 摘 要： | 研究了无源射频识别（RFID）系统中幅移键控（ASK）调制度对读写器与标签之间能量传输及数据传输的影响，推导出了能量传输效率和数据传输可靠性随调制度变化的计算公式，并给出了相应的性能曲线。这些公式和曲线有助于RFID系统ASK调制度的选取和读写器的功率设计，可用于指导实际无源RFID系统的应用设计与开发。
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| 关 键 词： | 调制度 幅移键控 无源RFID 能量和数据传输 |
| 收稿时间： | 2009/3/11 0:00:00 |
| 修稿时间： | 2009/5/12 0:00:00 |
Influence of ASK modulation depth on energy and data transmission of the passive RFID system |
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| ZENG Xiao-ping,ZHAO Xiao-gang,XIONG Dong,CUI Zheng-lei and MAO Dong.Influence of ASK modulation depth on energy and data transmission of the passive RFID system[J].Journal of Terahertz Science and Electronic Information Technology,2009,7(6):497-500. |
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| Authors: | ZENG Xiao-ping ZHAO Xiao-gang XIONG Dong CUI Zheng-lei and MAO Dong |
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| Affiliation: | (College of Communication Engineering, ChongqingUniversity, Chongqing400030, China) |
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| Abstract: | The influence of the Amplitude Shift Keying（ASK） modulation depth on energy transmission and data transmission between a reader and a tag in the passive Radio Frequency Identification（RFID） system was investigated. Expressions of energy transmission efficiency and data transmission reliability varying with the modulation depth were deduced, and their performance curves were given. These expressions and curves are helpful to the selection of ASK modulation depth for an RFID system and the power design of a reader, and they can be used to guide application design and development of the passive RFID systems in practice. |
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| Keywords: | modulation depth Amplitude Shift Keying passive Radio Frequency Identification energy and data transmission |
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