具有硬核调节和调度的蜂窝网络性能保证
Performance Guarantees of Cellular Networks with Hardcore Regulation and Scheduling
AI总结:
本研究探讨了在蜂窝网络中通过硬核调节和调度技术实现性能保证的方法,分析了调度对链路速率保证的影响,并提供了减少网络能耗的策略。
摘要:
提供性能保证是近期和未来通信网络的关键目标之一,为此,规则(即对关键系统参数的限制)发挥了不可或缺的作用。这适用于大型无线通信网络,其中空间规则(例如,蜂窝间距离的限制)通过空间网络计算最近被证明是建立可证明无线链路级保证所必需的。在本工作中,我们关注蜂窝网络下行链路的性能保证,其中我们对基站(BS)位置施加硬核(空间)调节,并评估BS调度(控制哪些BS可以在给定时间传输)对性能的影响。硬核调节是空间调节的最简单形式,强制网络中任意一对发射器之间保持最小距离。在这一空间网络计算框架中,我们首先为空间调节的蜂窝网络提供总干扰功率的上界,然后确定调度BS比在基站始终活跃的情况下提供更好的链路级速率保证的场景。六边形蜂窝网络作为特殊情况被分析。结果提供了关于所需空间规则、何时选择调度以及如何潜在减少网络功率消耗以提供特定目标性能保证的见解。
英文摘要:
Providing performance guarantees is one of the critical objectives of recent and future communication networks, toward which regulations, i.e., constraints on key system parameters, have played an indispensable role. This is the case for large wireless communication networks, where spatial regulations (e.g., constraints on intercell distance) have recently been shown, through a spatial network calculus, to be essential for establishing provable wireless link-level guarantees. In this work, we focus on performance guarantees for the downlink of cellular networks where we impose a hardcore (spatial) regulation on base station (BS) locations and evaluate how BS scheduling (which controls which BSs can transmit at a given time) impacts performance. Hardcore regulation is the simplest form of spatial regulation that enforces a minimal distance between any pair of transmitters in the network. Within this framework of spatial network calculus, we first provide an upper bound on the power of total interference for a spatially regulated cellular network, and then, identify the regimes where scheduling BSs yields better link-level rate guarantees compared to scenarios where base stations are always active. The hexagonal cellular network is analyzed as a special case. The results offer insights into what spatial regulations are needed, when to choose scheduling, and how to potentially reduce the network power consumption to provide a certain target performance guarantee.
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