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Approximation Algorithms of Minimizing Hidden Pairs in 802.11ah Networks
2019
IEEE Access
Recently, 802.11ah network has been widely used to support up to 8,192 nodes to serve various Internet of Things (IoT) communication applications. Because of the large number of nodes, it introduces a group-based MAC protocol, which divides nodes into groups to alleviate the hidden node problem. However, hundreds or even thousands of nodes are assigned into a group to contend the shared wireless channel. As a result, the problem is still serious and it causes a serious decline in system
doi:10.1109/access.2019.2954822
fatcat:awqwc2wdtfakzmwcb2geo525zm