如何计算RFID阅读器和TAG之间的物理距离 [英] How do I calculate physical distance between RFID reader and TAG

问题描述

I have UHF tags and ATID reader, i want the physical distance of reader to tag.. i have RSSI values, But i am unable to measure physical distance. Is there any way to calculate physical distance from tag to reader

< b>我尝试了什么：



使用RSSI来计算距离，但它正在大致改变其值

What I have tried:

used RSSI to calculate distance but it is changing its value contineously

推荐答案

通用RFID物理操作不适合测量距离。

我唯一能想到的是 这个 ，你可以使用RSSI，但你几乎不可能希望得到任何可接受的准确度。在无线电领域，测量原理是雷达的原则：

雷达 - 维基百科，免费的百科全书。



参见这些文章：

感知距离读者 - RFID期刊，

RFID雷达 - 工作原理。

-SA

General-purpose RFID physical operation is unsuitable for measuring distances.
The only thing I could think of is this, which you can use with RSSI, but you hardly can hope to get any acceptable accuracy. In radio domain, the principles of measurements are that of radar:
Radar — Wikipedia, the free encyclopedia.

See also these articles:
Readers That Sense Distance — RFID Journal,
RFID-radar — How it works.

—SA

不，你根本没有任何准确性和/或可靠性来测量与标签的距离。



消费级RFID技术尚未设置这样做。

No, there is no way for you to measure distance to the tag with any accuracy and/or reliability at all.

The consumer grade RFID technology is just not setup to do that.

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