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VLSI Implementation of a Fixed-Complexity Soft-Output MIMO Detector for High-Speed Wireless
Linköping University, Department of Electrical 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. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Computer Engineering. Linköping University, The Institute of Technology.
2010 (English)In: EURASIP Journal on Wireless Communications and Networking, ISSN 1687-1472, E-ISSN 1687-1499, Vol. 2010, no 893184Article in journal (Refereed) Published
Abstract [en]

This paper presents a low-complexity MIMO symbol detector with close-Maximum a posteriori performance for the emerging multiantenna enhanced high-speed wireless communications. The VLSI implementation is based on a novel MIMO detection algorithm called Modified Fixed-Complexity Soft-Output (MFCSO) detection, which achieves a good trade-off between performance and implementation cost compared to the referenced prior art. By including a microcode-controlled channel preprocessing unit and a pipelined detection unit, it is flexible enough to cover several different standards and transmission schemes. The flexibility allows adaptive detection to minimize power consumption without degradation in throughput. The VLSI implementation of the detector is presented to show that real-time MIMO symbol detection of 20 MHz bandwidth 3GPP LTE and 10 MHz WiMAX downlink physical channel is achievable at reasonable silicon cost.

Place, publisher, year, edition, pages
Hindawi , 2010. Vol. 2010, no 893184
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Engineering and Technology
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URN: urn:nbn:se:liu:diva-67289DOI: 10.1155/2010/893184OAI: oai:DiVA.org:liu-67289DiVA: diva2:409218
Available from: 2011-04-07 Created: 2011-04-07 Last updated: 2011-04-13

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Wu, DiEilert, JohanAsghar, RizwanLiu, Dake
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