收稿日期: 2008-05-07
修回日期: 2008-11-04
网络出版日期: 2009-05-15
基金资助
国家重点基础研究发展计划(973计划)项目(2007CB310602)资助
Adaptive resource allocation algorithm for multiuser MIMO-OFDM systems with zero-forcing beamformer
Received date: 2008-05-07
Revised date: 2008-11-04
Online published: 2009-05-15
舒锦 , 卫国 . 多用户MIMO-OFDM系统中基于迫零波束成型的自适应资源分配算法[J]. 中国科学院大学学报, 2009 , 26(3) : 419 -425 . DOI: 10.7523/j.issn.2095-6134.2009.3.018
Two effective allocation schemes are proposed for Multiuser MIMO-OFDM systems with zero-forcing beamforming. Through adaptive power,subacarrier and bit allocation, our objective is to minimize the total transmit power while satisfying the target data rates of all users. The numerical results show that the two proposed sub-optimal methods can achieve good performance while satisfying the rate demand of users.
Key words： MIMO-OFDM; adaptive resource allocation; transmit power
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