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A Novel Grouping Slotted Aloha Scheme to Enhance Throughput Performance for Wireless Networks

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Abstract

Slotted Aloha (SA) is a conventional distributed contention-based scheme in which the link time is divided into slots of equal duration and the users contend to access by transmitting with a predefined slot-access probability. Due to various applications and developments in wireless communications and networks, SA random access scheme and its various variants have gained renewed interests recently. In this paper we propose a novel grouping SA scheme with different grouping arrangements and (or) variable transmit probabilities (VTP) to improve throughput performance and achieve fairness among all user nodes. It shows improvements of throughput available with the proposed scheme by simply grouping user nodes and mapping VTPs onto the grouped slot positions for various wireless communications.

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Acknowledgements

This work is supported by the Ministry of Science and Technology of Taiwan (Grant MOST104-2633-E-242-001).

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Authors and Affiliations

  1. Department of Information Technology and Management, Fooyin University, 151 Jinxue Rd., Daliao Dist., Kaohsiung City, 83102, Taiwan, ROC

    Chien-Hsing Liao

  2. Department of Information Management, National Defense University, No.70, Sec. 2, Zhongyang N. Rd., Beitou Dist., Taipei City, 11258, Taiwan, ROC

    Tai-Kuo Woo

  3. Department of Electrical and Electronic Engineering, National Defense University, No.75, Shiyuan Rd., Daxi Dist., Taoyuan City, 33551, Taiwan, ROC

    Chi-Chung Chen & Ing-Jiunn Su

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  1. Chien-Hsing Liao
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  2. Tai-Kuo Woo
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  3. Chi-Chung Chen
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  4. Ing-Jiunn Su
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Correspondence to Chien-Hsing Liao.

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Liao, CH., Woo, TK., Chen, CC. et al. A Novel Grouping Slotted Aloha Scheme to Enhance Throughput Performance for Wireless Networks. Wireless Pers Commun 96, 1229–1243 (2017). https://doi.org/10.1007/s11277-017-4233-0

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  • DOI: https://doi.org/10.1007/s11277-017-4233-0

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