TY - GEN
T1 - Iterative inter-symbol interference canceling receiver for direct space-time GF(q) LDPC modulation
AU - Margetts, Adam R.
AU - Chang, Nicholas B.
AU - Forsythe, Keith W.
AU - Bliss, D. W.
PY - 2008/12/1
Y1 - 2008/12/1
N2 - Multiple-input multiple-output (MIMO) wireless communication systems enhance reliability and improve throughput for a given total transmit power. In actual systems, the channel and noise parameters must be estimated to capture the MIMO gains. In this paper, we couple a direct, q-ary Galois field [GF(q)], low-density parity-check (LDPC) space-time coding and modulation scheme with a receiver that iterates between decoding the transmitted symbols, estimating the convolutive MIMO channel with pilots and symbol decisions, and removing inter-symbol interference. The result is a powerful system that outperforms linear space-time equalization and performs within one decibel of a system with perfect channel knowledge and no inter-symbol interference.
AB - Multiple-input multiple-output (MIMO) wireless communication systems enhance reliability and improve throughput for a given total transmit power. In actual systems, the channel and noise parameters must be estimated to capture the MIMO gains. In this paper, we couple a direct, q-ary Galois field [GF(q)], low-density parity-check (LDPC) space-time coding and modulation scheme with a receiver that iterates between decoding the transmitted symbols, estimating the convolutive MIMO channel with pilots and symbol decisions, and removing inter-symbol interference. The result is a powerful system that outperforms linear space-time equalization and performs within one decibel of a system with perfect channel knowledge and no inter-symbol interference.
UR - http://www.scopus.com/inward/record.url?scp=70349673134&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=70349673134&partnerID=8YFLogxK
U2 - 10.1109/ACSSC.2008.5074731
DO - 10.1109/ACSSC.2008.5074731
M3 - Conference contribution
AN - SCOPUS:70349673134
SN - 9781424429417
T3 - Conference Record - Asilomar Conference on Signals, Systems and Computers
SP - 1772
EP - 1776
BT - 2008 42nd Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2008
T2 - 2008 42nd Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2008
Y2 - 26 October 2008 through 29 October 2008
ER -