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Mapping Channel Estimation and MIMO Detection in LTE-Advanced on a Reconfigurable Cell Array

Författare:
Publiceringsår: 2012
Språk: Engelska
Sidor: 1799-1802
Dokumenttyp: Konferensbidrag
Förlag: IEEE

Sammanfattning

This paper presents a flexible architecture suitable for performing both channel estimation and signal detection in a MIMO-OFDM downlink. Extensive hardware sharing between two tasks is achieved by algorithm and architecture co-design, where robust MMSE sliding window channel estimation and MMSE-based signal detection with symbol perturbation scheme are adopted. The proposed architecture is based on a coarse-grained reconfigurable cell array with fast context switching capabilities. High flexibility is provided by the architecture, which allows task-level resource sharing and dynamic adoption of different algorithms onto the same platform. Simulation and analysis results have confirmed the efficiency of the proposed design solution, where more than 75% hardware resources are reused between the adopted algorithms.

Disputation

Nyckelord

  • Technology and Engineering

Övriga

IEEE International Symposium on Circuits and Systems (ISCAS), 2012
2012-05-20/2012-05-23
Seoul, Korea
  • Swedish Foundation for Strategic Research (SSF)
  • Vinnova
Published
  • HiPEC
  • EIT_SOS VINNOVA Industrial Excellence Center - System Design on Silicon
Yes
  • Digital ASIC
  • ISSN: 0271-4302

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