Impact of Transmission Power Control in multi-hop networks |
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| Affiliation: | 1. Technical University Eindhoven (TU/e), Department of Electrical Engineering, 5600 MB, Flux Building 19, Eindhoven, The Netherlands;2. Telecommunication Systems Research Lab (TSRL), Open University of Cyprus, Cyprus;1. Faculty of Physical Sciences and Engineering, University of Southampton, Highfield, Southampton SO17 1BJ, United Kingdom;2. Japan Advanced Institute of Science and Technology, 1-1 Asahi-dai, Nomi, Ishikawa 923-1292, Japan;1. Institute of Materials Science and Engineering, Cultivating Base for Key Laboratory of Environment-Friendly Inorganic Materials in University of Henan Province, Henan Polytechnic University, Jiaozuo 454000, China;2. Shanghai Entry-Exit Inspection & Quarantine Bureau, Shanghai 200135, China;3. State Key Lab of Superhard Materials, Jilin University, Changchun 130012, China;1. School of Information Technology, Indian Institute of Technology Kharagpur, Kharagpur 721302, India;2. Department of Computer Science and Software Engineering, Monmouth University, West Long Branch, NJ, USA;1. Department of Computer Engineering, Kyung Hee University, South Korea;2. College of Computer and Information Sciences, King Saud University, Riyadh 11543, Saudi Arabia |
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| Abstract: | Many Transmission Power Control (TPC) algorithms have been proposed in the past, yet the conditions under which they are evaluated do not always reflect typical Internet-of-Things (IoT) scenarios. IoT networks consist of several source nodes transmitting data simultaneously, possibly along multiple hops. Link failures are highly frequent, causing the TPC algorithm to kick-in quite often. To this end, in this paper we study the impact that frequent TPC actions have across different layers. Our study shows how one node’s decision to scale its transmission power can affect the performance of both routing and MAC layers of multiple other nodes in the network, generating cascading packet retransmissions and forcing far too many nodes to consume more energy. We find that crucial objectives of TPC such as conserving energy and increasing network capacity are severely undermined in multi-hop networks. |
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| Keywords: | Internet-of-Things Transmission Power Control Routing protocol MAC protocol Energy efficiency |
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