标题： relOBI：一种用于紧密耦合片上通信的可靠低延迟互连 显示英文标题

标题： relOBI: A Reliable Low-latency Interconnect for Tightly-Coupled On-chip Communication

摘要： 片上通信是现代系统级芯片（SoC）的关键组成部分，允许处理器核心与内存和外设进行交互。 在辐射密集的环境中，互连需要特别注意，因为SoC互连中的任何软错误都可能导致整个SoC的功能故障。 这项工作提出了relOBI，这是Open Bus Interface（OBI）的一个扩展，将三模冗余（TMR）用于关键握手信号，并对其他信号使用纠错码（ECC）保护，以实现完全的可靠性。 实现并测试一个完全可靠的交叉开关显示，与参考设计相比，注入故障的漏洞从34.85%提高到0%，面积增加了2.6倍，时间影响增加了1.4倍。 面积开销比文献中报道的细粒度三重化和投票的开销低1.8倍。 显示英文摘要

摘要： On-chip communication is a critical element of modern systems-on-chip (SoCs), allowing processor cores to interact with memory and peripherals. Interconnects require special care in radiation-heavy environments, as any soft error within the SoC interconnect is likely to cause a functional failure of the whole SoC. This work proposes relOBI, an extension to Open Bus Interface (OBI) combining triple modular redundancy (TMR) for critical handshake signals with error correction codes (ECC) protection on other signals for complete reliability. Implementing and testing a fully reliable crossbar shows improved reliability to injected faults from a vulnerability of 34.85 % to 0 % compared to a reference design, with an area increase of 2.6x and 1.4x timing impact. The area overhead is 1.8x lower than that reported in the literature for fine-grained triplication and voting.