On Self-configuring IoT with Dual Radios: A Cross-Layer Approach

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Growing interest in emerging IoT applications provides a strong drive to release a plethora of communication radios from different standards, which are largely classified into short-range (IEEE 802.15.4) and long-range radios (IEEE 802.15.4g). In this paper, we propose a joint, self-configuring MAC and routing protocol, SEDA-Net, which aims at adaptively choosing the best configuration for communication coordination and data delivery, depending on different deployed topologies and external conditions. SEDA-Net is a combination of SEDA-MAC, SEDA-Routing, and Cross-Opt. SEDA-MAC and SEDA-Routing adaptively determine (i) the best radio configuration for communication coordination under duty-cycling and (ii) each node's next-hop over which radio and Cross-Opt jointly optimizes inter-coupled MAC and routing iteratively. SEDA-Net differs from prior approaches which are designed with static configurations of radios and/or mainly with the goal of throughput maximization for dual Wi-Fi or Wi-Fi/LTE setups. We implement SEDA-Net on Contiki OS and perform extensive simulations and experiments using a testbed in an office building. This testbed consists of 45 nodes equipped with a commercial platform, Firefly, having 2.4 GHz short-range and 920 MHz long-range radios. We demonstrate that energy efficiency quantified by the network lifetime increases by up to 2.1 times, compared to that of existing approaches.
Publisher
IEEE COMPUTER SOC
Issue Date
2022-11
Language
English
Article Type
Article
Citation

IEEE TRANSACTIONS ON MOBILE COMPUTING, v.21, no.11, pp.4064 - 4077

ISSN
1536-1233
DOI
10.1109/tmc.2021.3066441
URI
http://hdl.handle.net/10203/299133
Appears in Collection
EE-Journal Papers(저널논문)
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