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Cognitive Radio MANET Waveform Design and Evaluation.

Anna Kaszuba-Chęcińska1, Radosław Chęciński1, Piotr Gajewski1

  • 1Faculty of Electronics, Institute of Communications Systems, Military University of Technology, Gen. Sylwester Kaliski Str. No. 2, 00-908 Warsaw, Poland.

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|February 9, 2021
PubMed
Summary

This study addresses waveform construction for mobile ad hoc networks with cognitive radio (MANET-CR), a key challenge hindering widespread adoption. The research introduces a system for efficient spectrum sensing and sharing, improving MANET-CR effectiveness.

Keywords:
ad hoc network testbedcognitive radiodynamic spectrum managementspectrum sensingwaveform

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Area of Science:

  • Wireless Communication
  • Cognitive Radio Networks
  • Mobile Ad Hoc Networks

Background:

  • Mobile ad hoc networks with cognitive radio (MANET-CR) offer infrastructure-less communication but face waveform construction challenges.
  • Effective spectrum sensing and sharing are crucial for MANET-CR performance.

Purpose of the Study:

  • To discuss waveform construction for MANET-CR.
  • To present a system enabling opportunistic spectrum sharing through advanced dynamic spectrum management.
  • To introduce policy-based radio and a sensing method for interference avoidance.

Main Methods:

  • Development of cognitive radio (CR) node structures for opportunistic spectrum sharing.
  • Implementation of advanced dynamic spectrum management procedures.
  • Utilizing a policy-based radio concept and a sensing method to avoid interference.
  • Experimental validation using a real-world testbed.

Main Results:

  • The proposed system demonstrates efficient spectrum utilization through cognitive management mechanisms.
  • Reasonable overhead values were maintained during management procedures.
  • Successful avoidance of interference from other users or jammers was achieved.

Conclusions:

  • The integration of sensing and cognitive management significantly enhances spectrum efficiency in MANET-CR.
  • The developed system provides a viable solution for waveform construction challenges in MANET-CR.
  • The findings support the wider adoption of MANET-CR technology by addressing its core limitations.