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首页> 外文期刊>International journal of system control and information processing >Cross-layer transmission design in a class of delay-aware two-user interference networks
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Cross-layer transmission design in a class of delay-aware two-user interference networks

机译：一类延迟感知双用户干扰网络中的跨层传输设计

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This paper investigates the transmission design problem in a class of two-user interference networks where each source sends two types of delay-sensitive message to its destination. The first type is generated periodically with a fixed rate and is desired to be delivered immediately with sufficiently high reliability. The second type, generated randomly, can be placed in queues but the average queueing delay should be finite. Each user applies point-to-point Gaussian random codes to transmit information, using constrained instantaneous and average powers. We utilise the Lyapunov optimisation theory to construct a cross-layer transmission strategy, which can adapt to both the channel state information (CSI) at the physical layer and the queue state information at the media access control layer. Our results show that the proposed strategy can achieve a better tradeoff among power consumption, transmission reliability, and queueing delay, compared with the conventional CSI-based transmission design.
机译：本文调查了一类二用户干扰网络中的传输设计问题，其中每个源将两种类型的延时敏感消息发送到其目的地。第一类型的周期性地产生固定速率，并且希望立即以足够高的可靠性递送。随机生成的第二种类型可以放在队列中，但平均排队延迟应该是有限的。每个用户应用点对点高斯随机码来传输信息，使用受限的瞬时和平均功量来传输信息。我们利用Lyapunov优化理论来构造跨层传输策略，其可以在物理层处的信道状态信息（CSI）和媒体访问控制层的队列状态信息。我们的研究结果表明，与传统的基于CSI的传输设计相比，该拟议的策略可以实现功耗，传输可靠性和排队延迟的更好的权衡。

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