9/1/2023 0 Comments Wifi triangulation open source![]() ![]() You can find some reference documents in this article. Phased array system is highly accurate, but its a tad costly to implement. The only caution is if you are using multiple tags on an object for the directivity of target then RFID wont be so accurate as the RSSI level from different tags wont give a conclusive result. I have seen RFID systems being used to identify the loading of trucks in a given area roughly the same size as your requirement. RSSI can't tell you the exact range, but you can surely find out if it is getting near or far. Passive RFID systems utilize something called a Received Signal Strength Indicator (RSSI) to determine how close an object is to an RFID reader. Personally I think, if your target area is really like within 200m X 200m you can take a look at RFID based solutions. Well, similar question was posted on this link, you can definitely give it a shot.
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