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Table 1 Summary of model's symbols

From: Uncertainty area-based interference mitigation for cognitive radio

S T :

Set of all transmitting SNs

S P :

Set of all PAs

i:

Any given transmitting SN (i S T )

j:

Any given receiving SN

p:

Any given PA (p S P )

G T (i):

i's antenna gain

G R (j):

j 's antenna gain

θ (i)/θ (j):

i's/j's beamwidth

d (i,p):

Distance between i and p

d0:

Far-field distance, d(i,p) ≥ d0

α:

Path loss exponent

C (i,p):

Random slow fading between i and p

σ C :

Slow fading standard deviation

P T (i):

i's transmission power

rINT (i,p):

Interference radius from i to p

rINT,e(i,p):

MANET estimate of rINT (i,p)

I R (i,p):

Received interference from i to p

IR,e(i,p):

MANET estimate of I R (i,p)

PMNZ:

Minimum non-zero power threshold

r MNZ (i):

Distance from i to reach P MNZ

I A (p):

p's aggregate interference

IA,e(p):

MANET estimate of I A (p)

IA,o(p):

p's aggregate interference offset

μ x (p):

MANET estimate of p's mean x location

μ y (p):

MANET estimate of p's mean y location

σ x (p):

MANET estimate of p's std x location

σ y (p):

MANET estimate of p's std y location

λ (p):

p's UA inclination

ΩUC (p):

p's Uncertainty coefficient

AUC (p):

p's UA semimajor axis

B UC (p):

p's UA semiminor axis

IA,UM(p):

I A (p)'s Underestimation margin

Eout,UM (p):

IA,UM(p)'s outage event

Pout,UM (p):

Occurrence probability of Eout,UM (p)

ηUM (p):

Max. acceptable value of Pout,UM (p)

IA,OM:

I A (SP)'s Overestimation margin

Eout,OM (p):

IA,OM's outage event for p

Pout,OM (p):

Occurrence probability of Eout,OM (p)

ηOM:

Max. acceptable value of Pout,OM (S P )