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Cost Analysis of Channel Estimation in MIMO-OFDM for Software Defined Radio
Linköping University, The Institute of Technology. Linköping University, Department of Electrical Engineering, Computer Engineering.
Linköping University, The Institute of Technology. Linköping University, Department of Electrical Engineering, Computer Engineering.
Linköping University, The Institute of Technology. Linköping University, Department of Electrical Engineering, Computer Engineering.
2008 (English)In: WCNC 2008: IEEE WIRELESS COMMUNICATIONS & NETWORKING CONFERENCE, IEEE , 2008, 935-939 p.Conference paper, Published paper (Refereed)
Abstract [en]

Channel State Information (CSI) is critical for the overall performance or wireless systems. Meanwhile, the estimation or CSI forms one or the most intensive tasks in radio baseband signal processing. This paper investigates the real-time implementation or channel estimation for MIMO-OFDM systems using programmable hardware aimed for software defined radio. Based on the programmable hardware architecture proposed by us, several prevalent channel estimation methods such as Least Square (LS), Minimum Mean Square Error (MMSE) and Pilot-Symbol-Aided (PSA) are evaluated from both the performance and computational latency perspectives. By utilizing the symmetric feature of the covariance matrix, a simplified two-sided Jacobi rotation method is adopted to speed up the complex-valued singular value decomposition involved in the MMSE channel estimation.

Place, publisher, year, edition, pages
IEEE , 2008. 935-939 p.
Series
IEEE Wireless Communications and Networking Conference : Proceedings, ISSN 1525-3511
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-42735ISI: 000259411100165Local ID: 68462ISBN: 978-1-4244-1996-8 (print)OAI: oai:DiVA.org:liu-42735DiVA: diva2:263592
Conference
IEEE Wireless Communications and Networking Conference
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2014-08-15

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Wu, DiEilert, JohanLiu, Dake

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  • apa
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  • Other style
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  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
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  • asciidoc
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