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The BEAST for maximum-likelihood detection in non-coherent MIMO wireless systems

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Author

Summary, in English

Next generation wireless systems have to be able to efficiently deal with fast fading environments in order to achieve high spectral efficiency. Using multiple-input multiple-output (MIMO) systems and exploiting receive diversity, their spectral efficiency can be greatly increased. Commonly, the channel is estimated via training symbols, before the data detection is carried out based on the previously obtained channel estimate. While this significantly simplifies the process of data detection, it leads in general to suboptimal results. Thereby, a better approach is given by carrying out joint maximum-likelihood (ML) channel estimation and data detection.



In this paper, the BEAST — Bidirectional Efficient Algorithm for Searching code Trees — is proposed as an alternative algo- rithm for joint ML channel estimation and signal detection and its complexity is compared with recently published algorithms in this field.

Publishing year

2010

Language

English

Publication/Series

[Host publication title missing]

Document type

Conference paper

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Conference name

IEEE International Conference on Communications, ICC 2010

Conference date

2010-05-23 - 2010-05-27

Conference place

Cape Town, South Africa

Status

Published

Research group

  • Information Theory
  • Telecommunication Theory