IDMA系统中分散功率分配的博弈框架
A Game Theoretic Framework for Decentralized Power Allocation in IDMA Systems
摘要：
在这篇文章中，我们提出了一个分散的功率分配算法的上行链路交织分多址（IDMA）信道。在所提出的功率分配的最优策略，每个用户的目标是自私地最大化自己的效用函数。一个迭代的芯片由芯片（CBC）解码器在接收机和理性的自私行为的所有用户根据一个经典的博弈理论框架是这项工作的基本假设。这种方法导致基于信道反转策略的功率分配，其中基于其自身信道实现的知识、接收机处的噪声水平和网络中的活动用户的数量在每个终端处本地设置最优功率水平。
英文摘要：
In this contribution we present a decentralized power allocation algorithm for the uplink interleave division multiple access (IDMA) channel. Within the proposed optimal strategy for power allocation, each user aims at selfishly maximizing its own utility function. An iterative chip by chip (CBC) decoder at the receiver and a rational selfish behavior of all the users according to a classical game-theoretical framework are the underlying assumptions of this work. This approach leads to a power allocation based on a channel inversion policy where the optimal power level is set locally at each terminal based on the knowledge of its own channel realization, the noise level at the receiver and the number of active users in the network.
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