DocumentCode
1679056
Title
Robust semi-definite relaxation MIMO detection in a non-gaussian channel
Author
Vovnoboy, Jakob ; Wiesel, Ami ; Wing-Kin Ma
Author_Institution
Dept. of Comput. Sci., Hebrew Univ. of Jerusalem, Jerusalem, Israel
fYear
2013
Firstpage
5494
Lastpage
5498
Abstract
Semi-definite relaxation (SDR) is a popular technique for Multi-Input Multi-Output (MIMO) detection. For Binary Phase-Shift Keying (BPSK) and Quadratic Phase-Shift Keying (QPSK), it has been found that SDR can provide a near-optimal Bit Error rate (BER) performance in a Gaussian channel. However if the noise in the channel deviates from the Gaussian model, as it does in many real wireless channels, BER performance drops considerably. In this paper we show that SDR can be applied for detection in a non-Gaussian channel using Huber´s M-estimation method for robust regression.
Keywords
Gaussian channels; MIMO communication; error statistics; phase shift keying; BPSK; Huber´s M-estimation method; QPSK; binary phase-shift keying; bit error rate; multi-input multi-output detection; non-Gaussian channel; non-gaussian channel; quadratic phase-shift keying; robust semi-definite relaxation MIMO detection; Bit error rate; Detectors; MIMO; Noise; Robustness; Standards; Vectors;
fLanguage
English
Publisher
ieee
Conference_Titel
Acoustics, Speech and Signal Processing (ICASSP), 2013 IEEE International Conference on
Conference_Location
Vancouver, BC
ISSN
1520-6149
Type
conf
DOI
10.1109/ICASSP.2013.6638714
Filename
6638714
Link To Document