An efficient proportional resource allocation algorithm in MIMO-OFDMA systems

Authors:
Jie Zhao; Youming Li
Affiliations:
Institute of Communication Technology, Ningbo University, China;Institute of Communication Technology, Ningbo University, China
Venue:
GMC '11 Proceedings of the 2011 Global Mobile Congress
Year:
2011

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Adaptive Subcarrier and Power Allocation with Fairness for Multi-user Space-Time Block-Coded OFDM System

Wireless Personal Communications: An International Journal

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Abstract

Dynamic resource allocation (DRA) in MIMO-OFDMA systems supporting multiple services is studied. A low complexity linear algorithm based on solving an RA optimization problem subject to an additional proportional fairness constraint is developed. Computer simulation results demonstrate that the proposed algorithm performs well, and the proportionality of rate among the users approaches the proportional rate constraint as the increasing of the available subcarriers. Furthermore, it has a lower computational complexity.