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Asymmetric Directional Multicast for Capillary Machine-to-Machine Using mmWave Communications.

Jung-Hyok Kwon1, Eui-Jik Kim2

  • 1Department of Convergence Software, Hallym University, 1 Hallymdaehak-gil, Chuncheon-si, Gangwon-do 24252, Korea. jhkwon@hallym.ac.kr.

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Summary

Asymmetric Directional Multicast (ADM) improves millimeter Wave (mmWave) communications for machine-to-machine (M2M) services. This new method reduces delays and boosts throughput by optimizing sector switching for multicast transmissions.

Keywords:
Internet of thingsasymmetric sectorizationcapillary machine-to-machinedirectional multicastmillimeter Wave communications

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Area of Science:

  • Wireless Communications
  • Network Engineering
  • Internet of Things (IoT)

Background:

  • High data rate machine-to-machine (M2M) services increasingly utilize millimeter Wave (mmWave) bands for multi-Gbps capabilities.
  • Directional antennas in mmWave multicast transmissions suffer from reduced throughput due to inefficient sector switching.
  • Existing multicast methods in mmWave are suboptimal for the irregular deployment patterns of M2M group members.

Purpose of the Study:

  • To propose a novel Asymmetric Directional Multicast (ADM) strategy for capillary M2M communications in mmWave.
  • To optimize sectorization for irregular multicast group member deployments, minimizing transmission overhead.
  • To enhance overall system performance, specifically addressing delay and throughput limitations in mmWave multicast.

Main Methods:

  • Developed ADM, a technique employing asymmetric sectorization with variable beamwidths tailored to group member distribution.
  • An M2M gateway dynamically configures asymmetric sectors to cover all multicast members efficiently.
  • Simulated ADM performance against legacy mmWave multicast methods across diverse environments.

Main Results:

  • ADM significantly reduces the number of directional transmissions required to cover multicast group members.
  • The proposed method demonstrates a marked decrease in transmission time compared to legacy approaches.
  • ADM achieves superior aggregate throughput, outperforming traditional mmWave multicast techniques.

Conclusions:

  • ADM effectively addresses the challenges of sector switching delays in mmWave multicast for M2M services.
  • The asymmetric sectorization strategy optimizes resource utilization and enhances communication efficiency.
  • ADM presents a viable solution for improving the performance of high-data-rate M2M communications in mmWave bands.