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Title: LPDQ: a self-scheduled TDMA MAC protocol for one-hop dynamic low-power wireless networks
Author: Tuset Peiró, Pere  
Vázquez Gallego, Francisco
Alonso Zarate, Jesús
Alonso Zarate, Luis
Vilajosana i Guillén, Xavier
Others: Centre Tecnològic de Telecomunicacions de Catalunya
Universitat Politècnica de Catalunya
Universitat Oberta de Catalunya. Internet Interdisciplinary Institute (IN3)
University of California
Universitat Oberta de Catalunya (UOC)
Keywords: internet of things
machine-to-machine communications
medium access control
frame slotted ALOHA
distributed queuing
Issue Date: 15-Jul-2015
Publisher: Pervasive and Mobile Computing
Citation: Tuset-Peiro, P., Vazquez-Gallego, F., Alonso-Zarate, J., Alonso, L. & Vilajosana, X. (2015). LPDQ: a self-scheduled TDMA MAC protocol for one-hop dynamic low-power wireless networks. Pervasive and Mobile Computing, 20(), 84-99. doi: 10.1016/j.pmcj.2014.09.004
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Abstract: Current Medium Access Control (MAC) protocols for data collection scenarios with a large number of nodes that generate bursty traffic are based on Low-Power Listening (LPL) for network synchronization and Frame Slotted ALOHA (FSA) as the channel access mechanism. However, FSA has an efficiency bounded to 36.8% due to contention effects, which reduces packet throughput and increases energy consumption. In this paper, we target such scenarios by presenting Low-Power Distributed Queuing (LPDQ), a highly efficient and low-power MAC protocol. LPDQ is able to self-schedule data transmissions, acting as a FSA MAC under light traffic and seamlessly converging to a Time Division Multiple Access (TDMA) MAC under congestion. The paper presents the design principles and the implementation details of LPDQ using low-power commercial radio transceivers. Experiments demonstrate an efficiency close to 99% that is independent of the number of nodes and is fair in terms of resource allocation.
Language: English
ISSN: 1574-1192MIAR
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