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A study of CSMA-based and token-based wireless interconnects network-on-chip

机译:基于CSMA和基于令牌的无线互连片上网络的研究

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The token passing multiple access (TPMA) scheme is a common adopted scheme for wireless network-on-chip (WiNoC) in chip multi-processors (CMPs). The drawback of TPMA is the channel access delay due to TPMA passing the token in a round-robin manner no matter the node has packets to send. In this paper, we study the performance of the slotted p-persistent carrier sense multiple access (CSMA) scheme on WiNoC. A comprehensive comparison of TPMA and CSMA is given in terms of throughput and access delay in this paper. Based on the study, we show that an appropriate p for the slotted CSMA can be obtained to achieve a high performance WiNoC for CMPs.
机译:令牌传递多路访问(TPMA)方案是芯片多处理器(CMP)中的无线片上网络(WiNoC)普遍采用的方案。 TPMA的缺点是由于TPMA以循环方式传递令牌而导致的信道访问延迟,无论该节点有要发送的数据包如何。在本文中,我们研究了在WiNoC上开槽的p永久载波侦听多路访问(CSMA)方案的性能。本文在吞吐量和访问延迟方面对TPMA和CSMA进行了全面比较。基于这项研究,我们表明可以为开槽CSMA获得合适的p,以实现用于CMP的高性能WiNoC。

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