Table 1 Notations and assumptions

K

Total number of eNBs

N

Number of UEs in the system;

L

Total number of CCs;

M _j

Total number of RBs in l th CC;

$P_{\mathit{\text{ml}}}^k$

Transmission power on k th eNB on m th RB of l th CC;

W

Total power budget available on k th eNB;

$H_{\mathit{\text{ml}}}^{nk}$

Channel gain between k th eNB and n th UE operating on m th RB of l th CC;

${\mathit{\text{SINR}}}_{\mathit{\text{ml}}}^n$

SINR value at the n th UE on m th RB of l th CC;

$x_{\mathit{\text{ml}}}^n$

Decision variable as described in (9);

${\gamma }^{\mathit{n}}$

The achieved capacity by the n th UE;

D _n

The demand in terms of RBs of the n th UE;

Γ ₀

The minimum capacity throughput limit in the system;

P

Particle size in the proposed algorithm;

X _j

Position vector of the j th particle;

V _j

Velocity of the j th particle;