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Automatic Beacon Period Contraction for Energy Efficient WiMedia MAC

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Abstract

The basic timing structure for data exchange in WiMedia UWB MAC is a superframe composed of beacon period and data transfer period. When a new device joins the WiMedia UWB based network, the device has to send a beacon in a randomly selected beacon slot in the beacon period. Accordingly, when devices join or leave the WiMedia based network, they may result in idle beacon slots in the beacon period. The idle beacon slots should be removed to spare more time resources to the data transfer period, since no data exchange is permitted during the beacon period. This paper proposes an automatic beacon period contraction scheme which has objective of minimizing the waste of wireless resource in WiMedia UWB based home networks. The proposed method compresses the beacon period in a simpler and faster way than the conventional beacon period contraction algorithm defined in WiMedia MAC standard. Performance evaluation by computer simulation shows that the proposed scheme improves wireless channel utilization efficiency. The results of this paper can be applied to design and implementation of WiMedia MAC with small overhead for UWB applications.

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Abbreviations

ABC:

Automatic beacon period contraction

BP:

Beacon period

BPOIE:

Beacon period occupancy information element

CE:

Consumer electronics

DTP:

Data transfer period

HD:

High definition

MAC:

Medium access control

UWB:

Ultra wideband

References

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Acknowledgments

This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT and Future Planning (2013R1A1A1008098) and in part by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (2009-0093828).

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Authors and Affiliations

  1. Division of Electrical and Electronics Engineering, Korea Maritime and Ocean University, #727 Taejong-Ro, Youngdo-Gu, Busan, 606-791, Korea

    Dong-Hoan Seo & Yang-Ick Joo

  2. Division of Electronics Engineering, Mokpo National University, 1666 Youngsan-ro, Cheonggye-myeon, Muan-gun, Jeonnam, Korea

    Seong Ro Lee

Authors
  1. Dong-Hoan Seo
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  2. Seong Ro Lee
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  3. Yang-Ick Joo
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Correspondence to Yang-Ick Joo.

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Seo, DH., Lee, S.R. & Joo, YI. Automatic Beacon Period Contraction for Energy Efficient WiMedia MAC. Wireless Pers Commun 80, 73–84 (2015). https://doi.org/10.1007/s11277-014-1995-5

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  • DOI: https://doi.org/10.1007/s11277-014-1995-5

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