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Implementation and Complexity Analysis of List Sphere Detector for MIMO-OFDM systems

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dc.contributor.author Myllylä, Markus
Juntti, Markku
Cavallaro, Joseph R.
dc.date.accessioned 2012-06-12T19:22:50Z
dc.date.available 2012-06-12T19:22:50Z
dc.date.issued 2008-10-01
dc.identifier.other http://scholar.google.com/scholar?cluster=3098861583277095562&hl=en&as_sdt=0,44
dc.identifier.uri http://hdl.handle.net/1911/64245
dc.description.abstract A list sphere detector (LSD) is an enhancement of a sphere detector (SD) that can be used to approximate the soft output maximum a posteriori probability (MAP) detector used in the detection of the multiple-input multiple-output (MIMO) signals. The LSD consists of three different parts: the preprocessing unit, the LSD algorithm unit and the log-likelihood ratio (LLR) calculation unit. Architecture design is the key point to enable an efficient implementation of the LSD. In this paper, we design the architecture for the whole detector structure and exploit the parallelism and pipelining possibilities of the presented architecture units. The designed architecture is implemented in a field programmable gate array (FPGA) using Mentor Graphics Catapult C tool. We show that a scalable architecture can be designed for the LSD. The LSD is also shown to be feasible for practical implementation, and the implementation complexity and latency results are presented.
dc.description.sponsorship Elekrobit
dc.description.sponsorship Nokia
dc.description.sponsorship Nokia Siemens Networks (NSN)
dc.description.sponsorship Texas Instruments
dc.description.sponsorship Finnish Funding Agency for Technology and Innovation
dc.description.sponsorship Tekes
dc.publisher IEEE
dc.subject List sphere detector (LSD)
Sphere detection
MIMO
MIMO detection
FPGA
dc.title Implementation and Complexity Analysis of List Sphere Detector for MIMO-OFDM systems
dc.type Conference Paper
dc.contributor.center Center for Multimedia Communication
dc.citation.pageNumber 1852-1856
dc.citation.location Pacific Grove, CA
dc.citation.conferenceName 42nd Asilomar Conference on Signals, Systems and Computers
dc.citation.conferenceDate 2008
dc.identifier.citation M. Myllylä, M. Juntti and J. R. Cavallaro,"Implementation and Complexity Analysis of List Sphere Detector for MIMO-OFDM systems," in 42nd Asilomar Conference on Signals, Systems and Computers, 2008, pp. 1852-1856.

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  • ECE Publications [1082 items]
    Publications by Rice University Electrical and Computer Engineering faculty and graduate students
  • CMC Publications [275 items]
    Publications by Rice Faculty and graduate students in multimedia communications