Improved K-best sphere detection for uncoded and coded MIMO systems

S Han, T Cui, C Tellambura - IEEE Wireless Communications …, 2012 - ieeexplore.ieee.org
The conventional K-best sphere decoder (KSD) keeps the best K nodes at each level of the
search tree. In addition to retaining the best K nodes, we also consider all the nodes whose …

Improved K-best sphere decoding algorithms for MIMO systems

Q Li, Z Wang - 2006 IEEE International Symposium on Circuits …, 2006 - ieeexplore.ieee.org
Multiple-input multiple-output (MIMO) technique is a key enabling technology for today's
high-rate wireless communications. The sphere decoding algorithm (SDA) has been used …

Step reduced K-best sphere decoding

X Mao, Y Cheng, L Ma, H Xiang - 2012 IEEE Vehicular …, 2012 - ieeexplore.ieee.org
We propose an algorithm that reduces the complexity of the K-best sphere decoding (K-best
SD) algorithm, which is a powerful parallel detection algorithm for multiple-input multiple …

A complexity-efficient sphere decoder for MIMO systems

S Han, C Tellambura - 2011 IEEE International Conference on …, 2011 - ieeexplore.ieee.org
It is well known that although the conventional sphere decoder (SD) achieves optimal
maximum likelihood (ML) performance at a reduced complexity compared to the naive ML …

Early-pruning k-Best sphere decoder for MIMO systems

Q Li, Z Wang - 2007 IEEE Workshop on Signal Processing …, 2007 - ieeexplore.ieee.org
The sphere decoding algorithm has been used for maximum likelihood detection in MIMO
systems, and the K-Best sphere decoding algorithm is proposed for MIMO detections for its …

An improved K-Best sphere decoding architecture for MIMO systems

Q Li, Z Wang - 2006 Fortieth Asilomar Conference on Signals …, 2006 - ieeexplore.ieee.org
The sphere decoding algorithm (SDA) has been used for achieving maximum likelihood
(ML) detection for today's multiple-input multiple-output (MIMO) systems. However, normal …

Combined K-best sphere decoder based on the channel matrix condition number

S Roger, A Gonzalez, V Almenar… - 2008 3rd International …, 2008 - ieeexplore.ieee.org
It is known that sphere decoding (SD) methods can provide maximum-likelihood (ML)
detection over Gaussian MIMO channels with lower complexity than the exhaustive search …

Low-complexity dominance-based sphere decoder for MIMO systems

G Romano, D Ciuonzo, PS Rossi, F Palmieri - Signal processing, 2013 - Elsevier
The sphere decoder (SD) is an attractive low-complexity alternative to maximum likelihood
(ML) detection in a variety of communication systems. It is also employed in multiple-input …

Early-pruned K-best sphere decoding algorithm based on radius constraints

YH Wu, YT Liu, HC Chang, YC Liao… - 2008 IEEE …, 2008 - ieeexplore.ieee.org
A technique to prune the paths for K-best sphere decoding algorithm (SDA) based on radius
constraint is presented. The proposed scheme preserves breadth-first searching nature, and …

Reduced Complexity K-Best Sphere Decoder Design for MIMO Systems

Q Li, Z Wang - Circuits, Systems & Signal Processing, 2008 - Springer
The sphere decoding algorithm is widely used for maximum likelihood (ML) detection in
multiple-input multiple-output (MIMO) systems, wherein the K-best sphere decoding …