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Reconfigurable cell array for concurrent support of multiple radio standards by flexible mapping

Författare:
Publiceringsår: 2011
Språk: Engelska
Sidor: 1696-1699
Publikation/Tidskrift/Serie: IEEE International Symposium on Circuits and Systems
Dokumenttyp: Konferensbidrag
Förlag: IEEE
Ytterligare information: Best Student Paper award at ISCAS 2014.

Sammanfattning

This paper presents a flexible architecture suitable for concurrent processing of multiple radio standards. The proposed architecture is based on a coarse-grained reconfigurable cell array, consisting of distinct processing and memory cells. Flexibility of the architecture is demonstrated by performing a coarse time synchronization and fractional frequency offset estimation for multiple OFDM standards. The radio standards under analysis are IEEE 802.11n, LTE, and DVB-H. The reconfigurable cell array, containing 2-by-2 cells, is capable of processing two concurrent data streams from the standards. Dynamic reconfigurability of the architecture enables run-time switching between the standards. The implemented 2-by-2 cell array is synthesized using a 65 nm low-leakage standard cell CMOS library, resulting in an area of 0.479mm2 and a maximum clock frequency of 534MHz. High flexibility offered by the reconfigurable cell array allows the adoption of different algorithms onto the same platform.

Disputation

Nyckelord

  • Technology and Engineering
  • CGRA
  • Reconfigurable cell array
  • Multi-standard
  • Concurrent
  • OFDM
  • Synchronization

Övriga

IEEE International Symposium on Circuits and Systems (ISCAS), 2011
2011-05-15/2011-05-18
Rio de Janeiro
  • Vinnova
Published
  • EIT_SOS VINNOVA Industrial Excellence Center - System Design on Silicon
Yes
  • Digital ASIC
  • ISSN: 0271-4302
  • ISBN: 978-1-4244-9473-6

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