From: Uncertainty area-based interference mitigation for cognitive radio
S T : | Set of all transmitting SNs |
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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 ) |