基于有源RFID的运动方向判断
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Judgement of direction of movement based on active RFID
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    摘要:

    RFID技是物联网相关的重要技术之一,已经在生产制造、物流管理、公共安全等众多领域得到了应用。有源RFID技术是RFID技术的一种,具有低功耗、信号稳定、读取距离远、抗干扰性能好等特点,被广泛的应用于车辆、人员的远距离标识与RTLS定位等。在有源RFID各种应用中,对于标签运动方向的判断是一个重要的技术问题。本文提出一种使用多个定向天线读写设备,形成多个读取区域,提取标签在各区域中的事件,通过事件逻辑顺序实现对运动方向的判断。采用这种方法不但可以准确判标签运动方向,而且可以判断标签中途返回等一些复杂逻辑。

    Abstract:

    RFID is one of the crucial technology of the IOT (Internet of things), and it has been applied to the fields of manufacture, logistics, public security, and etc.. Active RFID is one of RFID, and the striking features of active RFID are low power consumption, stable signals, long-distance reading and anti-jamming ability. Therefore, active RFID is widely used in the areas of long-range identification of personnel and vehicles and Real Time Location System. In the various application of active RFID, the judgement of direction of movement is a vital technical matter. This paper puts forward a new method to judge. In other words, with several directional antennas, it forms several reading areas, picks up events of the tag entering or exiting and then realizes the judgement of direction by the order of events。In this way, we could not only judge the direction of movement of tags accurately, but also judge other complicated logic, e.g. the midway return of tags.

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喻剑,杨卫. 基于有源RFID的运动方向判断[J]. 科学技术与工程, 2011, (32): .
Yu Jian, Yang Wei. Judgement of direction of movement based on active RFID[J]. Science Technology and Engineering,2011,(32).

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历史
  • 收稿日期:2011-06-16
  • 最后修改日期:2011-06-22
  • 录用日期:2011-06-27
  • 在线发布日期: 2011-10-11
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