Download Ad-hoc, Mobile, and Wireless Networks: 14th International by Symeon Papavassiliou, Stefan Ruehrup PDF

By Symeon Papavassiliou, Stefan Ruehrup

This ebook constitutes the lawsuits of the 14th foreign convention on advert Hoc Networks and instant, ADHOC-NOW 2015, held in Athens, Greece in June/July 2015. The 25 complete papers awarded during this quantity have been conscientiously reviewed and chosen from fifty two submissions. The ebook additionally comprises three full-paper invited talks. The contributions are geared up in topical sections named: routing, connectivity, and source allocation; localization, sensor deployment, and mobility administration; allotted computing with cellular brokers; effective, trustworthy, and safe shrewdpermanent strength networks; and rising communications, networking and computing applied sciences for VANETs 2.0.

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Extra info for Ad-hoc, Mobile, and Wireless Networks: 14th International Conference, ADHOC-NOW 2015, Athens, Greece, June 29 -- July 1, 2015, Proceedings

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Rekik et al. presents the data delivery cost varying with the number of data packets sent. For the particular case of a single packet, the data delivery cost used by GRACO is higher than GFG. This is explained by the number of packets sent during the recovery phase in GRACO is bigger than GFG in one recovery mode. However, when the number of data packets sent between the same source and the same destination increases, GRACO becomes cheaper than GFG since GRACO launches the recovery mode only when the first data packet is sent, the next ones will use the routes already found.

Bampas et al. Algorithm 2. A 2-approximation algorithm for MinAvgMult-EMC [21] Input: an instance G, w of MinAvgMult-EMC, G = (V, E) Output: a 2-approximate solution 1: Assign an arbitrary direction to each edge of G. v groups of at most w 2: For each v ∈ V , group its outv outgoing edges into out w edges each, and let Vout denote the set of all groups of outgoing edges. Similarly, for each v ∈ V , group its inv incoming edges into inwv groups of at most w edges each, and let Vin denote the set of all groups of incoming edges.

We extend their algorithm in order to remove the uniformity requirement and we show that Min-PMC is polynomial-time solvable on spiders with even admissible color multiplicity. We reduce the problem to the directed version of Min-PMC, which is known to be polynomial-time solvable on spiders [22]. Formally, the directed version of the problem is defined as follows: Scheduling Connections via Path and Edge Multicoloring 39 Problem 4 ( Directed Minimum Path MultiColoring, Dir-Min-PMC). Instance: G, P, μ , where G = (V, E) is an undirected graph, P is a set of directed simple paths on G, and μ : E → N is a function that maps each edge to the admissible color multiplicity on that edge for each direction.

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