I currently find myself developing my master´s thesis based on Decawave technology, providing 3D location for just 1 tag (I´d like to add some more in upcoming versions).
However, after having tested TREK1000 (comprises 3 EVK1000 anchors, and 1 more performing as a tag), it does not live up to my expectations in terms of precision. I have already achieved a minimum precision (standard deviation) of +/- 5 cm after filtering measurements 10 times and +/- 2.5 cm with a 40-time filter. I´d like to achive +/- 1cm but I can´t filter it anymore because of other requirements. Please, note that the offset error is not something I´m currently caring about.
Then, my question is, does DWM1000 improves EVK1000 results?. I have read that EVK1000 is already equipped with DWM1000 chip, however I don´t know if it is worthy to set DWM1000 up in this case.
Is there anyone who achieved a better precision? Does a 4th anchor provide more resolution? Apart from getting the right position from the 2 possible solutions obtained from trilateration equations.
Any answer is welcome
Thanks in advance.
Technical University of Madrid