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Generalized Slotted Aloha Revisited: A Throughput and Stability Analysis

  • Essaid Sabir
  • Sidi Ahmed EzzahidiEmail author
  • El Houssine Bouyakhf
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 366)

Abstract

We consider the uplink case of a cellular system where m bufferless mobiles transmit over a common channel to a base station, using the slotted aloha medium access protocol. We study the performance of this system under a new transmission scheduling scheme. In contrast to slotted aloha, each new arrival packet is first transmitted at a probability \(p_a\) and retransmitted later, if needed, with probability \(q_r\). Under this proposal, we analyze the cooperative team in which a common goal is jointly optimized. Later, we derive the average throughput and the expected delay and use them as the objectives to optimize. We further study the impact of parameters on the average throughput as well as the expected delay. Furthermore, we address the stability behavior of our new scheme. We finally carry out extensive numerical examples to illustrate the obtained gain which concerns, in particular, the expected delay minimization.

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© Springer Science+Business Media Singapore 2016

Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 2.5 International License (http://creativecommons.org/licenses/by-nc/2.5/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

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Authors and Affiliations

  • Essaid Sabir
    • 1
  • Sidi Ahmed Ezzahidi
    • 2
    Email author
  • El Houssine Bouyakhf
    • 2
  1. 1.UBICOM Research Group, ENSEMHassan II UniversityCasablancaMorocco
  2. 2.LIMIARF Laboratory, FSRMohammed V University of RabatRabatMorocco

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