Wireless Broadcast with short labelling
Gewu Bu (NPA), Maria Potop-Butucaru (LINCS, MIMOVE, NPA), Mikael Rabie, (LIX)

TL;DR
This paper advances wireless broadcast protocols by introducing memory-efficient labelling schemes, optimal algorithms for level-separable networks, and analyzing the computational complexity of recognizing such networks.
Contribution
It improves broadcast algorithms with acknowledgment, proposes label optimal algorithms for level-separable networks, and proves NP-completeness of recognizing these networks.
Findings
Memory complexity of broadcast schemes is reduced.
Broadcast in level-separable networks completes in 2D rounds.
Recognizing level-separable networks is NP-complete.
Abstract
In this paper, we study the broadcast problem in wireless networks when the broadcast is helped by a labelling scheme. We focus on two variants of broadcast: broadcast without acknowledgment (i.e. the initiator of the broadcast is not notified at the end of broadcast) and broadcast with acknowledgment. Our contribution is threefold. First, we improve in terms of memory complexity a recent labelling-based broadcast scheme with acknowledgment designed for arbitrary networks.Second, we propose label optimal broadcast algorithms in Level Separable Networks (a class of networks issued from recent studies in Wireless Body Area Networks). In this class of networks we propose an acknowledgment-free broadcast strategy using 1-bit labels and broadcast with acknowledgment using 2-bits labels. In the class of level-separable networks, our algorithms finish within 2D rounds, where D is the…
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Taxonomy
TopicsMobile Ad Hoc Networks · Cooperative Communication and Network Coding · Energy Harvesting in Wireless Networks
