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Multi-Agent Reinforcement Learning for a Random Access Game

Authors
Lee, DongwooZhao, YuSeo, Jun-BaeLee, Joohyun
Issue Date
Aug-2022
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Keywords
Multi-armed bandit; nash equilibrium; non-cooperative game; random access
Citation
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, v.71, no.8, pp.9119 - 9124
Indexed
SCIE
SCOPUS
Journal Title
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY
Volume
71
Number
8
Start Page
9119
End Page
9124
URI
https://scholarworks.bwise.kr/gnu/handle/sw.gnu/1011
DOI
10.1109/TVT.2022.3176722
ISSN
0018-9545
Abstract
This work investigates a random access (RA) game for a time-slotted RA system, where N players choose a set of slots of a frame and each frame consists of M multiple time slots. We obtain the pure strategy Nash equilibria (PNEs) of this RA game, where slots are fully utilized as in the centralized scheduling. As an algorithm to realize a PNE (Pure strategy Nash Equilibrium), we propose an Exponential-weight algorithm for Exploration and Exploitation (EXP3)-based multi-agent (MA) learning algorithm, which has the computational complexity of O(N (NmaxT)-T-2). EXP3 is a bandit algorithm designed to find an optimal strategy in a multi-armed bandit (MAB) problem that users do not know the expected payoff of each strategy. Our simulation results show that the proposed algorithm can achieve PNEs. Moreover, it can adapt to time-varying environments, where the number of players varies over time.
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해양과학대학 (지능형통신공학과)
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