Iterative bit & power allocation for V-BLAST based OFDM MIMO system in frequency selective fading channel
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| Název: | Iterative bit & power allocation for V-BLAST based OFDM MIMO system in frequency selective fading channel |
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| Autoři: | Ng, Ka Wai, Cheng, Roger S., Murch, Ross D. |
| Informace o vydavateli: | Institute of Electrical and Electronics Engineers Inc. |
| Rok vydání: | 2002 |
| Sbírka: | The Hong Kong University of Science and Technology: HKUST Institutional Repository |
| Popis: | This paper presents an iterative bit and power allocation algorithm for an OFDM multiple-input multiple-output (MIMO) system in frequency selective fading channels and uses V-BLAST as a detection algorithm. Assuming knowledge of the instantaneous channel gains for all spatial channels at all the subcarriers in the receiver, bit and power is assigned to each spatial channel to minimize the total transmission power for a fixed bit error rate (BER). We demonstrate by computer simulation that the proposed iterative bit and power allocation algorithm can significantly improve the system performance compared to the traditional V-BLAST and singular value decomposition (SVD) algorithm for an OFDM MIMO system in a frequency selective fading channel model. |
| Druh dokumentu: | conference object |
| Jazyk: | English |
| Relation: | https://doi.org/10.1109/WCNC.2002.993505; http://gateway.isiknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=LinksAMR&SrcApp=PARTNER_APP&DestLinkType=FullRecord&DestApp=WOS&KeyUT=000176639900053 |
| DOI: | 10.1109/WCNC.2002.993505 |
| Dostupnost: | http://repository.hkust.edu.hk/ir/Record/1783.1-41791 https://doi.org/10.1109/WCNC.2002.993505 http://lbdiscover.ust.hk/uresolver?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rfr_id=info:sid/HKUST:SPI&rft.genre=article&rft.issn=1525-3511&rft.volume=&rft.issue=&rft.date=2002&rft.spage=271&rft.aulast=Ng&rft.aufirst=Kawai&rft.atitle=Iterative%20bit%20%26%20power%20allocation%20for%20V-BLAST%20based%20OFDM%20MIMO%20system%20in%20frequency%20selective%20fading%20channel&rft.title=IEEE%20Wireless%20Communications%20and%20Networking%20Conference http://www.scopus.com/record/display.url?eid=2-s2.0-73349092677&origin=inward http://gateway.isiknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=LinksAMR&SrcApp=PARTNER_APP&DestLinkType=FullRecord&DestApp=WOS&KeyUT=000176639900053 |
| Přístupové číslo: | edsbas.A903A985 |
| Databáze: | BASE |
Nájsť tento článok vo Web of Science | Abstrakt: | This paper presents an iterative bit and power allocation algorithm for an OFDM multiple-input multiple-output (MIMO) system in frequency selective fading channels and uses V-BLAST as a detection algorithm. Assuming knowledge of the instantaneous channel gains for all spatial channels at all the subcarriers in the receiver, bit and power is assigned to each spatial channel to minimize the total transmission power for a fixed bit error rate (BER). We demonstrate by computer simulation that the proposed iterative bit and power allocation algorithm can significantly improve the system performance compared to the traditional V-BLAST and singular value decomposition (SVD) algorithm for an OFDM MIMO system in a frequency selective fading channel model. |
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| DOI: | 10.1109/WCNC.2002.993505 |