PLAP: CSI-Based Passive Localization with Amplitude and Phase Information Using CNN and BGRU

Table 1

Phase-calibration.

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Input: measured phase vectors ;

Process:

(1) Set as the same size of ;

(2) Set as the same size of ;

(3) Set  = 0,  = 0,  = 0;

(4) Set m = [−28, −26, −24, −22, −20, −18, −16, −14, −12, −10, −8, −6, −4, −2, −1, 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 28];

(5) Set  =  ;

(6) for  = 1 : 29 do

   if do

 =  + 1;

   end if

 =  − 2 ;

 end for;

(7) Set ;

 Set  = /30;

 for  = 0 : 29 do

 =  − k;

 end for

Output: Calibrated phase values of

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