A joint symbol detection algorithm efficient at low SNR for a Multi-Device STBC-MIMO system

Author

Naeem, M. ; Lee, D.C.

Author_Institution

Sch. of Eng. Sci., Simon Fraser Univ., Burnaby, BC, Canada

fYear

2010

fDate

10-14 Jan. 2010

Firstpage

440

Lastpage

443

Abstract

In this paper, we present an algorithm for joint symbol detection (JSD) at the receiver in a Multi-Device (MD) STBC-MIMO System. We apply Cross Entropy Optimization (CEO) to JSD problem in a MD-STBC-MIMO system. We find that this algorithm has good performance especially at a low SNR region in a rank-deficient MD-STBC-MIMO system. ML detector, Sphere Decoder (SD) and Semi-definite relaxation (SDR) are computationally complex. The proposed CEO detector finds a nearly optimal solution in real time and also requires very low amount of computation as compared to the ML, SD and SDR.

Keywords

MIMO communication; block codes; maximum likelihood detection; optimisation; space-time codes; ML detector; cross entropy optimization; joint symbol detection algorithm; low SNR region; maximum likelihood detector; multidevice STBC-MIMO system; semidefinite relaxation; space time block codes; sphere decoder; Block codes; Detection algorithms; Detectors; Entropy; Maximum likelihood decoding; Maximum likelihood detection; Polynomials; Receiving antennas; Space time codes; Transmitting antennas; Cross-Entropy Optimization; STBC-MIMO;

fLanguage

English

Publisher

ieee

Conference_Titel

Radio and Wireless Symposium (RWS), 2010 IEEE

Conference_Location

New Orleans, LA

Print_ISBN

978-1-4244-4725-1

Electronic_ISBN

978-1-4244-4726-8

Type

conf

DOI

10.1109/RWS.2010.5434269

Filename

5434269