A novel two-dimension simplified subcarrier allocation with fairness for multiuser MIMO-OFDM transmission

In this paper, a real-time subcarrier allocation algorithm with fair consideration is proposed based on simplification at both antenna dimension and frequency dimension. By knowing the channel characteristic of all users, our goal is to assign subcarriers to each user fairly and reduce computational...

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Published in:2007 International Symposium on Intelligent Signal Processing and Communication Systems pp. 148 - 151
Main Authors: Lei Guo, Guangxi Zhu, Jian Liu
Format: Conference Proceeding
Language:English
Published: IEEE 01.11.2007
Subjects:
adaptive subcarrier allocation
antenna selection
Computational complexity
Computational modeling
Fading
MIMO
multiuser
OFDM
Real time systems
Resource management
Signal processing
Signal processing algorithms
Transmitters
Transmitting antennas
ISBN:1424414466, 9781424414468
Online Access:Get full text
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Abstract In this paper, a real-time subcarrier allocation algorithm with fair consideration is proposed based on simplification at both antenna dimension and frequency dimension. By knowing the channel characteristic of all users, our goal is to assign subcarriers to each user fairly and reduce computational complexity with requirement of minimizing the overall transmit power subject to the proportional rate constraints. Simulation results show that our proposed algorithm presents fairness in subcarrier allocation and outperform none antenna-dimension employed multiuser MIMO-OFDM transmission with significant computational complexity reduction.
AbstractList In this paper, a real-time subcarrier allocation algorithm with fair consideration is proposed based on simplification at both antenna dimension and frequency dimension. By knowing the channel characteristic of all users, our goal is to assign subcarriers to each user fairly and reduce computational complexity with requirement of minimizing the overall transmit power subject to the proportional rate constraints. Simulation results show that our proposed algorithm presents fairness in subcarrier allocation and outperform none antenna-dimension employed multiuser MIMO-OFDM transmission with significant computational complexity reduction.
Author Guangxi Zhu
Jian Liu
Lei Guo
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  surname: Lei Guo
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  organization: Huazhong Univ. of Sci. & Technol., Wuhan
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  surname: Guangxi Zhu
  fullname: Guangxi Zhu
  organization: Huazhong Univ. of Sci. & Technol., Wuhan
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  surname: Jian Liu
  fullname: Jian Liu
  organization: Huazhong Univ. of Sci. & Technol., Wuhan
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Snippet In this paper, a real-time subcarrier allocation algorithm with fair consideration is proposed based on simplification at both antenna dimension and frequency...
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StartPage 148
SubjectTerms adaptive subcarrier allocation
antenna selection
Computational complexity
Computational modeling
Fading
MIMO
multiuser
OFDM
Real time systems
Resource management
Signal processing
Signal processing algorithms
Transmitters
Transmitting antennas
Title A novel two-dimension simplified subcarrier allocation with fairness for multiuser MIMO-OFDM transmission
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