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IEEE TRANSACTIONS ON COMMUNICATIONS, VOL. 54, NO. 2, FEBRUARY 2006 187 A Turbo-Coded Multiple-Description System for Multiple Antennas
 

Summary: IEEE TRANSACTIONS ON COMMUNICATIONS, VOL. 54, NO. 2, FEBRUARY 2006 187
A Turbo-Coded Multiple-Description System for Multiple Antennas
Israfil Bahçeci, Student Member, IEEE, Yücel Altunbas¸ak, Senior Member, IEEE, and
Tolga M. Duman, Senior Member, IEEE
Abstract--We propose a joint source-channel coding scheme for
wireless communication systems with multiple transmit and re-
ceive antennas. The source coder is realized by a multiple descrip-
tion encoder that generates multiple bit streams. Each descrip-
tion is then separately turbo coded and transmitted using multiple
antennas. For the receiver, we describe a suitable iterative joint
source-channel decoding technique that exploits the correlations
between the descriptions. We present several examples that illus-
trate the performance of the proposed system, and compare it with
other approaches.
Index Terms--Iterative decoding, joint source-channel coding,
multiple antennas, turbo-coded modulation (TCM), wireless com-
munications.
I. INTRODUCTION
RECENTLY, joint source-channel codecs have received
considerable attention and various methods have been

  

Source: Altunbasak, Yucel - School of Electrical and Computer Engineering, Georgia Institute of Technology

 

Collections: Engineering