A simple random access scheme with multilevel power allocation

Huifa Lin, Koji Ishibashi, Won Yong Shin, Takeo Fujii

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)


This letter proposes a decentralized power allocation approach for random access with capabilities of multi-packet reception (MPR) and successive interference cancellation (SIC). Considering specific features of SIC, a bottom-up per-level algorithm is proposed to obtain discrete transmission power levels and the corresponding probabilities. Comparing with the conventional power allocation scheme with MPR and SIC, our approach significantly improves the system sum rate; this is confirmed by computer simulations.

Original languageEnglish
Article number7296627
Pages (from-to)2118-2121
Number of pages4
JournalIEEE Communications Letters
Issue number12
Publication statusPublished - 2015 Dec 1

Bibliographical note

Publisher Copyright:
© 2015 IEEE.

All Science Journal Classification (ASJC) codes

  • Modelling and Simulation
  • Computer Science Applications
  • Electrical and Electronic Engineering


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