Exact(1)
From the system model, the task of applying GFFR amounts to finding a sub-band allocation c and a power assignment p, such that the overall throughput of the cell-edge areas is maximized.
Similar(59)
We decouple the equivalent problem by solving a (convex) network and a (convex) power assignment problem separately.
The authors assumed the existence of an algorithm that can determine, for any distribution of users of various classes in various regions, whether there is a feasible power assignment satisfying the signal-to-noise requirements for all users and, if so, provide a unique power assignment for the distribution.
It has been shown in [25] that by solving the constraints (7) and (8), the following inequality must be satisfied if there exists a feasible power assignment that meets the QoS requirements: (13).
Therefore, we propose an adaptive power assignment algorithm to provide a minimum possible transmission power level of each small cell BS.
We first consider an initial power assignment of small cells, the purpose of which is to achieve maximal coverage with minimized maximum required transmission power.
Proposition 2. If the power index assignment for all backlogged users satisfies constraints (19), (20), and (21), there always exists a feasible transmit power assignment, that is, for.
Starting from an initial equal power assignment bit distribution, the proposed algorithm employs a multistaged bit rate allocation scheme to meet the target rate.
In [54], for instance, a machine-learning mechanism for transmission power assignment in a non-cooperative environment is proposed.
The link SINR γ l (P) is a function of the global power assignment (possible multiple transmitters owing to spatial reuse), which is denoted by P = ( P n : n ∈ N ).
We formulate the task of sub-band allocation and power assignment as an optimization problem, and prove its complexity.
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