无线片上网络中的媒体访问控制:上下文分析
Medium Access Control in Wireless Network-on-Chip: A Context Analysis
摘要:
无线片上通信是一个很有前途的候选人,以解决性能和效率的问题时出现的扩展目前的片上网络(NoC)技术的众核处理器。无线片上网络(WNoC)即使在千核芯片中也可以超低延迟地服务于全球和广播业务,从而充当传统和面向吞吐量的有线NoC的自然补充。然而,媒体访问控制(MAC)策略的发展需要有效地共享越来越多的核心之间的无线介质仍然是一个相当大的挑战,考虑到环境的奇异性和研究领域的新颖性。在这个立场文件中,我们提出了一个上下文分析描述的物理约束,性能目标,和流量特性的片上通信范例。我们总结了与传统无线场景的主要差异,然后讨论它们对众核WNoCs MAC协议设计的影响,最终目标是启动这一可以说是未开发的研究领域。
英文摘要:
Wireless on-chip communication is a promising candidate to address the performance and efficiency issues that arise when scaling current Network-on-Chip (NoC) techniques to manycore processors. A Wireless Network-on-Chip (WNoC) can serve global and broadcast traffic with ultra-low latency even in thousand-core chips, thus acting as a natural complement of conventional and throughput-oriented wireline NoCs. However, the development of Medium Access Control (MAC) strategies needed to efficiently share the wireless medium among the increasing number of cores remains as a considerable challenge given the singularities of the environment and the novelty of the research area. In this position paper, we present a context analysis describing the physical constraints, performance objectives, and traffic characteristics of the on-chip communication paradigm. We summarize the main differences with respect to traditional wireless scenarios, to then discuss their implications on the design of MAC protocols for manycore WNoCs, with the ultimate goal of kickstarting this arguably unexplored research area.
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