Design of an EF-ACK Fault-Tolerate Wireless Interface in WiNoC
OUYANG Yi-ming1, QIAN Chang1, DU Gao-ming2, HUANG Zheng-feng2, LI Jian-hua1, LIANG Hua-guo2
1. School of Computer and Information, Hefei University of Technology, Hefei, Anhui 230601, China;
2. School of Electronic Science & Applied Physics, Hefei University of Technology, Hefei, Anhui 230601, China
Abstract：The wireless channel in wireless network-on-chip faces serious reliability challenges.The fault-tolerant design of wireless routers has a great impact on the transmission efficiency of the entire network onchip.This paper presents a highly efficient acknowledgement feedback(EF-ACK) fault-tolerant wireless interface design.Several confirmation information is configured in a data packet,which can be transmitted over the wireless channel.Establish a retransmission data buffer at the wireless interface to validate the data in the most efficient manner and to control the retransmission of erroneous data packets.In addition,a network-state-based codec control is proposed,which improves the robustness of the data by means of BCH coding when the network conditions are poor.It can be concluded that the proposed scheme efficiently performs wireless acknowledgment feedback on data with only a small additional area and power consumption overhead and ensures a lower network latency and higher Saturated throughput in the network when the error rate is serious,greatly improving the performance of the network.
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2018, Vol. 46 
