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On MIMO K-best sphere detector architecture complexity reductions

Författare:
  • Johan Löfgren
  • Peter Nilsson
Publiceringsår: 2008
Språk: Engelska
Sidor: 505-513
Publikation/Tidskrift/Serie: ICSPCS: 2ND INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING AND COMMUNICATION SYSTEMS, PROCEEDINGS
Dokumenttyp: Konferensbidrag
Förlag: IEEE--Institute of Electrical and Electronics Engineers Inc.

Sammanfattning

Abstract in Undetermined

This paper describes a way to modify the K-Best Sphere Detector, using the knowledge that the real and the imaginary part of complex number are always orthogonal. To ensure that this property is used, a modification to the Real Value Decomposition is proposed that will ensure that the orthogonality is seen also after the decomposition. The proposed method allows for equally efficient implementations of real-valued K-Best Sphere Detector implementations as the complex-valued implementation. The cost of the lowered complexity is an increased Bit Error Rate. With proper coding this drawback could be alleviated.

Nyckelord

  • Electrical Engineering, Electronic Engineering, Information Engineering

Övriga

The 2nd International Conference on Signal Processing and Communication Systems (ICSPCS 2008)
Published
  • Digital ASIC-lup-obsolete
  • Elektronikkonstruktion-lup-obsolete
  • ISBN: 978-1-4244-4242-3

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