Table 1 Important notations used in this article
From: Two novel price-based algorithms for spectrum sharing in cognitive radio networks
Notation | Meaning |
|---|---|
M l | The number of particles for the leader |
M f | The number of particles for followers |
x m | The m th particles for the leader, x m  = (xm 1, xm 2, …, x mn )T, m = 1, …, M l |
v m | The velocity of x m , v m  = (vm 1, vm 2, …, v mn )T, m = 1, …, M l |
y m | The follower's choice for each x m from the leader, y m  = (ym 1, ym 2, …, y mw )T |
y mp | The p th particles by the follower for the choice x m from the leader, y mp  = (ymp 1, vmp 2, …, v mpw )T, p = 1, …, M f |
v mp | The velocity of y mp , v mp  = (vmp 1, vmp 2, …, v mpw )T, p = 1, …, M f |
pb m | The best previously visited solution of x m , pb m  = (pbm 1, pbm 2, …, pb mn )T |
pb mp | The best previously visited solution of y mp , pb mp  = (pbmp 1, pbmp 2, …, pb mpw )T |
x * | Current best solution for particle x m from the leader |
y * | Current best solution for particle y mp from the follower |
y mpi | The y mp value of the i th follower, i = 1, …, N |
v mpi | The v mp value of the i th follower, i = 1, …, N |
| The y*value of the i th follower, i = 1, …, N |
g l | Current iteration number for the upper-level problem |
g f | Current iteration number for the lower-level problem |
max_g l | The predefined max iteration number for g l |
max_g f | The predefined max iteration number for g f |