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首页> 外文期刊>Wireless Communications Letters, IEEE >A Binary Power Control Scheme for D2D Communications
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A Binary Power Control Scheme for D2D Communications

机译:D2D通信的二进制功率控制方案

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摘要

Binary power control (BPC) is known to maximize the capacity of a two-cell interference limited system and performs near optimally for larger systems. However, when device-to-device (D2D) communication underlying the cellular layer is supported, an objective function that considers the power consumption is more suitable. We find that BPC remains optimal for D2D communications when the weight of the overall power consumption in the utility function is bounded. Building on this insight, we propose a simple near-optimal extended BPC scheme and compare its performance with a recently proposed utility optimal iterative scheme using a realistic multicell simulator. Our results indicate that a near optimal D2D performance can be achieved without lengthy iterations or complex signaling mechanisms.
机译:众所周知,二进制功率控制(BPC)可以最大化两小区干扰受限系统的容量,并且对于大型系统,性能几乎达到最佳。但是,当支持蜂窝层下面的设备到设备(D2D)通信时,考虑功耗的目标函数会更合适。我们发现,当效用函数中的总功耗权重受到限制时,BPC仍然是D2D通信的最佳选择。基于此见解,我们提出了一种简单的接近最优的扩展BPC方案,并将其性能与最近提出的使用实际多小区模拟器的效用最优迭代方案进行了比较。我们的结果表明,无需冗长的迭代或复杂的信令机制,即可实现接近最佳的D2D性能。

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