TY - GEN
T1 - Searching in the delta lattice
T2 - 2009 IEEE Global Telecommunications Conference, GLOBECOM 2009
AU - Lai, I. Wei
AU - Liao, Chun Hao
AU - Witte, Martin
AU - Kammler, David
AU - Borlenghi, Filippo
AU - Nikitopoulos, Konstantinos
AU - Ramakrishnan, Venkatesh
AU - Zhang, Dan
AU - Chiueh, Tzi Dar
AU - Ascheid, Gerd
AU - Meyr, Heinrich
PY - 2009
Y1 - 2009
N2 - This paper introduces a new framework of the multiple-input multiple-output (MIMO) detection in iterative receivers. Unlike the conventional methods processing with symbol lattice, we consider the delta symbol lattice, i.e., the difference between two arbitrary points in the symbol lattice. The inherent flexible, symmetric, and sparse properties of the delta lattice enhance the detection in both complexity and performance aspects. Consequently, we propose a delta-list MIMO (DL-MIMO) detection which separately exploits the channel information and the a priori information so that a soft-input soft-output sphere decoder is dispensable. Simulation results demonstrate this hardware-friendly DL-MIMO detection delivers nearly-optimal performance at affordable cost in a practical scenario.
AB - This paper introduces a new framework of the multiple-input multiple-output (MIMO) detection in iterative receivers. Unlike the conventional methods processing with symbol lattice, we consider the delta symbol lattice, i.e., the difference between two arbitrary points in the symbol lattice. The inherent flexible, symmetric, and sparse properties of the delta lattice enhance the detection in both complexity and performance aspects. Consequently, we propose a delta-list MIMO (DL-MIMO) detection which separately exploits the channel information and the a priori information so that a soft-input soft-output sphere decoder is dispensable. Simulation results demonstrate this hardware-friendly DL-MIMO detection delivers nearly-optimal performance at affordable cost in a practical scenario.
UR - http://www.scopus.com/inward/record.url?scp=77951600277&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=77951600277&partnerID=8YFLogxK
U2 - 10.1109/GLOCOM.2009.5426133
DO - 10.1109/GLOCOM.2009.5426133
M3 - Conference contribution
AN - SCOPUS:77951600277
SN - 9781424441488
T3 - GLOBECOM - IEEE Global Telecommunications Conference
BT - GLOBECOM 2009 - 2009 IEEE Global Telecommunications Conference
Y2 - 30 November 2009 through 4 December 2009
ER -