The transmit power is uniformly allocated across frequency and space.
The power is uniformly allocated on each subcarrier.
If the transmit power is uniformly allocated to each user, i.e.,, then for i.i.d.i.d
The transmit power at the PBS is uniformly allocated to eight PUs.
We also assume that the power is uniformly allocated across all the transmit antennas, that is,.
In each uncoordinated cell, the source-to-relay distance is set to 300 m and the power is uniformly allocated.
In this simulation, we assume that the total relay transmission power is uniformly allocated to the relays.
Let us also assume that the BS transmit power P T is uniformly allocated to all subbands.
where p m, b (t) is the power allocated to MS m on subband b during the time slot t (in a given subband, power is uniformly allocated to subcarriers), and υ m, b ( t ) ∈ ℂ N T × 1 denotes the unit energy linear transmit filter used by the MRT transmission system.
Here, BA1 corresponds to the optimal RA algorithm proposed in [16], when the CCI is always set to 0. BA2 corresponds to the algorithm when the power is uniformly allocated, and the RS and MS are randomly selected for each subcarrier.As shown in Figure 6a, the two proposed algorithms outperform the two benchmark algorithms.
Assume that transmission power is uniformly allocated among all RBs for either MBS or PBS, namely, the power on each RB is calculated as ({P_{m}} = P_{m}^{text {tot}}/{N_{text {RB}}}), ({P_{m}} = P_{m}^{text {tot}}/{N_{text {RB}}}), where (P_{m}^{text {tot}}) is the total transmission power of MBS, and (P_{p}^{text {tot}}) is the total transmission power of PBS.
