Exact(10)
The static property allows the ERA scheme to allocate powers individually with low complexity.
Simulation results show that our proposed schemes outperform greatly the corresponding ERA scheme.
We denote this scheme as the equal resource allocation (ERA) scheme.
The ERA scheme in the TWT-DL also allocates powers individually.
However, the only concern of the ERA scheme is to guarantee the primary transmission while the secondary transmission is ignored; therefore, it can not reach an optimal performance.
Therefore, the proposed scheme can reach a better trade-off between S1 and SR than the ERA scheme, which can enhance the secondary transmission obviously.
Similar(48)
It is observed that all the proposed schemes provide better performance than the corresponding ERA schemes.
For comparison, we provided corresponding low-complexity equal resource allocation (ERA) schemes for each model.
The performance of the proposed schemes was illustrated for different operating conditions and shown to yield great enhancement compared to that of the corresponding ERA schemes.
As can be seen from the figure, all the proposed power allocation schemes greatly outperform the traditional ERA schemes in the three different networks.
The reason is that primary outage constraint due to secondary transmission is considered jointly in our proposed schemes, while it is considered individually in the ERA schemes.
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