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Table 1 Propagation model parameters [ 38 ]

From: A femtocell location strategy for improving adaptive traffic sharing in heterogeneous LTE networks

Scenario

  

Path loss

σ SF

Ind2ind

A1

LOS

A=18.7, B=46.8, C=20

6

  

NLOS

A=20B=46.4C=20

 
   

X=5n w (wall att.)

 
   

FL=17+4(n f −1) (floor att.)

 

Ind2out

A2

 

PL=PL b (d in+d out)+

6

   

PLtw+PLin(d in)

 
   

PL b A=22.7, B=41, C=20

 
   

PL tw =14+15(1−cos(θ))

 
   

PLin=PL A1

 

Out2out

C2

LOS

d<d BPA=26B=39C=20

4

   

d>d BP→PL=40 log(d)+13.47+

6

   

+14 log(h BS−1)−14 log(h MS−1)+

 
   

+6 log(f c /5)

 
  

NLOS

PL=(44−6.55 log(h BS))log(d)+

8

   

+34.46+5.83 log(h BS)+23 log(f c /5)

 

Out2ind

C4

 

PL=PL C2(d in+d out)+17.4+

8

   

0.5d in−0.8h MS