... wavelength measurement, Advances in Measurement Systems4 12 receiver for NLoS (Non Line of Sight) was situated in position 2, in the parking of the next building. Finally, for the indoor scenario, ... akbkakbkakkxxxrrh,,,,,,,~11111 21 2 (20 ) akbkakbkakkxxxrrh,,,,,,,~111 22 12 2 (21 ) akbkakbkakkxxxrrh,,,,,,,~111 22 22 2 ... xa1,k· h 12, k + na1,k = xa1,k· (h11,k - h 12, k )+ na1,k (15) ra 2, k = xa1,k· h 21 ,k - xa1,k· h 22 ,k + na 2, k = xa1,k· (h 21 ,k – h 22 ,k )+ na 2, k (16)...