Article (Scientific journals)
The Error Probability of the Fixed-Complexity Sphere Decoder
Jalden, Joakim; Barbero, Luis G.; Ottersten, Björn et al.
2009In IEEE Transactions on Signal Processing, 57 (7), p. 2711-2720
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Abstract :
[en] Download Citation Email Print Request Permissions Save to Project The fixed-complexity sphere decoder (FSD) has been previously proposed for multiple-input multiple-output (MIMO) detection in order to overcome the two main drawbacks of the sphere decoder (SD), namely its variable complexity and its sequential structure. Although the FSD has shown remarkable quasi-maximum-likelihood (ML) performance and has resulted in a highly optimized real-time implementation, no analytical study of its performance existed for an arbitrary MIMO system. Herein, the error probability of the FSD is analyzed, proving that it achieves the same diversity as the maximum-likelihood detector (MLD) independent of the constellation used. In addition, it can also asymptotically yield ML performance in the high-signal-to-noise ratio (SNR) regime. Those two results, together with its fixed complexity, make the FSD a very promising algorithm for uncoded MIMO detection.
Disciplines :
Computer science
Computer science
Identifiers :
UNILU:UL-ARTICLE-2009-407
Author, co-author :
Jalden, Joakim
Barbero, Luis G.
Ottersten, Björn ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)
Thompson, John S.
Language :
English
Title :
The Error Probability of the Fixed-Complexity Sphere Decoder
Publication date :
July 2009
Journal title :
IEEE Transactions on Signal Processing
ISSN :
1053-587X
Publisher :
IEEE
Volume :
57
Issue :
7
Pages :
2711-2720
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBilu :
since 03 October 2013

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