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And the optimal power allocation is obtained by Lagrange dual approach.
Starting with a single-user point-to-point orthogonal frequency division multiplexing (OFDM) system, the optimal power allocation is obtained by the well-known water-filling solution[10].
Finally, this evaluation model is applied to the environmental planning of Han River basin, and the validity evaluation result of free allocation is obtained by analyzing the statistical data of chemical oxygen demand (COD) in 14 counties and cities of Hubei Province, China.
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Treatment allocation was obtained by contacting the central randomisation office by telephone.
Allocation was obtained by telephoning an independent co-ordinator (closed envelope system).
After obtaining informed consent from the patient, the allocation was obtained by telephone from the central office, thus allocation was concealed.
We compare the performance of our SP-DKLT code designs with IKLT codes for which the bit-allocations are obtained by using either entropy coded high-rate quantization model (for scalar quantizer design) [[4], Section 9.9] or RD-optimal quantization model (for block quantizer design) [[16], Section 10.3.3] for Gaussian variables.
Treatment group allocations were obtained by telephone, after baseline assessments had been made.
Afterwards, the optimal power allocation is obtained via fractional programming.
The proposed power allocation scheme is obtained by solving a convex optimization problem with the boundary conditions specifying the minimum QoS for the PU and SUs, similar to the approach described in [19].
The optimal power allocation scheme is obtained by solving a convex optimization problem aiming at minimizing network energy consumption with guaranteed quality of service (QoS) for both PU and SUs.
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