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Performance increase through the use of multiple sub-carriers in WSN

Published: 26 October 2009 Publication History

Abstract

In this paper we propose a cross-layer design of a Wireless Sensor Network (WSN) to increase communications efficiency. A simple and low cost wireless physical layer using multiple carrier frequencies is proposed, utilising pulse shaping to increase the system's resistance to carrier frequency variations. Experiments which emulate the physical layer show that the BER performance is still acceptable for frequency offsets within ±1/4 Δf. In contrast to estimating and correcting such offsets, this solution greatly decrease the complex of the RF chip which is a requirement for low-cost WSNs. Simulation results show that such a system could increase the network performance in terms of throughput, delivery time, as well as power efficiency when used in a CSMA style MAC layer. In particular, the proposed system produces most benefit in heavy traffic loading which shows that it is most suitable for data intensive WSN which are required by advanced sensing applications.

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  • (2020)NOMA based Efficient Spectrum Sharing for Underwater UAV System with Multi-agent Reinforcement Learning2020 2nd International Conference on Industrial Artificial Intelligence (IAI)10.1109/IAI50351.2020.9262162(1-5)Online publication date: 23-Oct-2020
  • (2011)Analyses of MAC performance for Multi-Carrier based wireless sensor networksProceedings of the 2011 IEEE 36th Conference on Local Computer Networks10.1109/LCN.2011.6115564(860-866)Online publication date: 4-Oct-2011

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      cover image ACM Conferences
      MobiWAC '09: Proceedings of the 7th ACM international symposium on Mobility management and wireless access
      October 2009
      168 pages
      ISBN:9781605586175
      DOI:10.1145/1641776
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      Published: 26 October 2009

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      Author Tags

      1. cfo
      2. multi-carrier
      3. power efficiency
      4. throughput
      5. wireless sensor networks

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      • (2020)NOMA based Efficient Spectrum Sharing for Underwater UAV System with Multi-agent Reinforcement Learning2020 2nd International Conference on Industrial Artificial Intelligence (IAI)10.1109/IAI50351.2020.9262162(1-5)Online publication date: 23-Oct-2020
      • (2011)Analyses of MAC performance for Multi-Carrier based wireless sensor networksProceedings of the 2011 IEEE 36th Conference on Local Computer Networks10.1109/LCN.2011.6115564(860-866)Online publication date: 4-Oct-2011

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