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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| Vydáno v: | 2007 International Symposium on Intelligent Signal Processing and Communication Systems s. 148 - 151 |
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| Hlavní autoři: | , , |
| Médium: | Konferenční příspěvek |
| Jazyk: | angličtina |
| Vydáno: |
IEEE
01.11.2007
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| Témata: | |
| ISBN: | 1424414466, 9781424414468 |
| On-line přístup: | Získat plný 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. |
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| 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 |
| Author_xml | – sequence: 1 surname: Lei Guo fullname: Lei Guo organization: Huazhong Univ. of Sci. & Technol., Wuhan – sequence: 2 surname: Guangxi Zhu fullname: Guangxi Zhu organization: Huazhong Univ. of Sci. & Technol., Wuhan – sequence: 3 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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