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A unified multi-mode MIMO detector with soft-output

Publiceringsår: 2012
Språk: Engelska
Publikation/Tidskrift/Serie: [Host publication title missing]
Dokumenttyp: Konferensbidrag
Förlag: IEEE--Institute of Electrical and Electronics Engineers Inc.


This paper presents an area/energy efficient soft-output

MIMO detector that supports the detection of spatial-multiplexing

(SM), spatial-diversity (SD), and space-division-multiple-access (SDMA)signals. The developed near-optimal detection algorithms for these tree modes share most of the mathematical operations to enable extensive

hardware reuse. A unified VLSI architecture is accordingly designed to

be reconfigured to different modes. The detector was implemented using

a 65-nm CMOS technology with 0.25 mm2 core area, representing a

70% hardware-resource saving to state-of-the-art detectors. Operating

at 167-MHz clock frequency with 1.2-V supply, the detector achieves 1

Gb/s peak throughput and only consumes 59.3 pJ/b energy.


  • Electrical Engineering, Electronic Engineering, Information Engineering
  • space division-multiple-access
  • spatial diversity
  • Circuit design
  • ASIC
  • LTE Advanced
  • LTE
  • OFDM
  • spatial multiplexing
  • Digital baseband
  • MIMO


IEEE International Symposium on Circuits and Systems (ISCAS), 2012
  • Digital ASIC-lup-obsolete
  • ISSN: 2158-1525
  • ISSN: 0271-4310

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