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Grab RSSI Blast (CC2431)

Other Parts Discussed in Thread: CC2431

   Hi , my name Jutathip , I'am studying in master degree in computer engineering and conducting the research about Localization and Tracking object by using Zigbee producted by Texas Instruments on CC2431DK
         I config the device  SmartRF04EB is one dongle board , and setting 4 pieces of Chipcon SOC_BB (CC2431) as reference node then config one blind node as CC2431. I need to fixed location by using Reference Node and tracking object by Blind node ( it's mean that the Blind node can move around in the area experiment) and send position to my laptop by Dongle board
 
         I  need to get RSSI between Blind node and Reference Node in order to calculate the position by my algorithm , the result is I can get RSSI from them sucessfully but incorrected caused the RSSI value that I can get is to RSSI value that happend between Reference node and Gateware (Dongle board) not from Blind node
So , how can fixed this problem ? when I moving the Blind node for all around area there is nothing happend but If I moving Gateware my object on the map can move and answer the position (X,Y) is corrected .
 
       I don't know why it turn out this way.  Do you have any idea ? please I would appreciated it  if you provide me some hint or advice. By the way my professor have the rules is do not implement Embedded anything in hardware .
 
So How can I do
I need to grab the RSSI-Blast that happend between Blind and Reference Node to calculate in my algorithm and answer the position in X, Y axis on my map by moving the Blind node not moving the gateware(Dongle board)
 
What I did wrong?
     
Jutathip J