The Wireless Smart Utility Network (Wi-SUN) Alliance promotes interoperability for large scale wireless mesh networks (WMNs). Such Low-Power and Lossy Networks (LLNs) are widely used in industrial Internet of Things (IoT) settings. In order to improve throughput in node-to-node (N2N) communications for Wi-SUN based wireless nodes, techniques are presented herein that support the addition of a Block Acknowledgement (BA) mechanism to the Wi-SUN protocol. Such a mechanism may, among other things, eliminate a significant acknowledgement (ACK) confirmation overhead when a pair of nodes are using an Extended Directional Frame Exchange (EDFE) mode or an Adaptive Modulation (AM) mode to overcome radio interference.
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Zhang, Lele; Li, Chuanwei; Wei, Ling; and Wu, Wenjia, "BLOCK ACKNOWLEDGEMENT MECHANISM FOR SPEEDING UP NODE-TO-NODE TRAFFIC IN LOW-POWER AND LOSSY NETWORKS", Technical Disclosure Commons, (October 13, 2020)