Adaptive resource allocation for the fading interference channel with source cooperation

M. Najafi, Vahid Jamah, R. Schober
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引用次数: 3

Abstract

In this paper, we consider the Gaussian interference channel consisting of two source-destination pairs where the sources cooperate to transmit their messages to their respective destination. We assume block fading and that the nodes are constrained to half-duplex operation. For this channel, assuming availability of channel state information (CSI), we determine the optimal adaptive scheduling of reception and transmission at the source nodes. Thereby, the proposed protocol chooses one of the information flows, decides whether to transmit directly or cooperatively to the corresponding destination, and specifies the required transmission strategy such that the achievable ergodic rate region is maximized. Numerical results reveal that the proposed protocol can effectively realize the diversity offered by the fading processes of the different links in the interference channel.
基于信源合作的衰落干扰信道自适应资源分配
在本文中,我们考虑由两个源-目标对组成的高斯干扰信道,其中源合作将其消息发送到各自的目标。我们假设区块衰落,节点被限制为半双工操作。对于该信道,假设信道状态信息(CSI)可用,我们确定了源节点接收和发送的最优自适应调度。因此,该协议选择其中一个信息流,决定是直接传输还是协作传输到相应的目的地,并指定所需的传输策略,使可达到的遍历速率区域最大化。数值结果表明,该协议能够有效地实现干扰信道中不同链路衰落过程所提供的分集。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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