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dc.contributor.authorLin, Yu-Weien_US
dc.contributor.authorLee, Chen-Yien_US
dc.date.accessioned2014-12-08T15:14:20Z-
dc.date.available2014-12-08T15:14:20Z-
dc.date.issued2007-04-01en_US
dc.identifier.issn1549-8328en_US
dc.identifier.urihttp://dx.doi.org/10.1109/TCSI.2006.888664en_US
dc.identifier.urihttp://hdl.handle.net/11536/10949-
dc.description.abstractIn this paper, we present a novel 128/64 point fast Fourier transform (FFT)/ inverse FFT (IFFT) processor for the applications in a multiple-input multiple-output orthogonal frequency-division multiplexing based IEEE 802.11n wireless local area network baseband processor. The unfolding mixed-radix multipath delay feedback FFT architecture is proposed to efficiently deal with multiple data sequences. The proposed processor not only supports the operation of FFT/IFFT in 128 points and 64 points but can also provide different throughput rates for 1-4 simultaneous data sequences to meet IEEE 802.11n requirements. Furthermore, less hardware complexity is needed in our design compared with traditional four-parallel approach. The proposed FFT/IFFT processor is designed in a 0.13-mu m single-poly and eight-metal CMOS process. The core area is 660 x 2142 mu m(2), including an FFT/IFFT processor and a test module. At the operation clock rate of 40 MHz, our proposed processor can calculate 128-point FFT with four independent data sequences within 3.2 mu s meeting IEEE 802.11n standard requirements.en_US
dc.language.isoen_USen_US
dc.subject80211nen_US
dc.subjectfast Fourier transform (FFT)en_US
dc.subjectmultiple-input multiple-output (MIMO) orthogonal frequency-division multiplexing (OFDM)en_US
dc.titleDesign of an FFT/IFFT processor for MIMO OFDM systemsen_US
dc.typeArticleen_US
dc.identifier.doi10.1109/TCSI.2006.888664en_US
dc.identifier.journalIEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERSen_US
dc.citation.volume54en_US
dc.citation.issue4en_US
dc.citation.spage807en_US
dc.citation.epage815en_US
dc.contributor.department電子工程學系及電子研究所zh_TW
dc.contributor.departmentDepartment of Electronics Engineering and Institute of Electronicsen_US
dc.identifier.wosnumberWOS:000245865200011-
dc.citation.woscount48-
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