A comparative study of QRD-M detection and sphere decoding for MIMO-OFDM systems

Y Dai, S Sun, Z Lei - … on Personal, Indoor and Mobile Radio …, 2005 - ieeexplore.ieee.org
We present a comparative study of two tree search based detection algorithms, namely, the
M-algorithm combined with QR decomposition (QRD-M) and the sphere decoding (SD) …

An improved square-root algorithm for V-BLAST based on efficient inverse Cholesky factorization

H Zhu, W Chen, B Li, F Gao - IEEE Transactions on Wireless …, 2010 - ieeexplore.ieee.org
A fast algorithm for inverse Cholesky factorization is proposed, to compute a triangular
square-root of the estimation error covariance matrix for Vertical Bell Laboratories Layered …

Semi-blind time-domain equalization for MIMO-OFDM systems

S Ma, TS Ng - IEEE Transactions on Vehicular Technology, 2008 - ieeexplore.ieee.org
In this paper, a semi-blind time-domain equalization technique is proposed for general
multiple-input-multiple-output (MIMO) orthogonal frequency-division multiplexing (OFDM) …

An improved recursive algorithm for BLAST

H Zhu, Z Lei, F Chin - 2006 IEEE 63rd Vehicular Technology …, 2006 - ieeexplore.ieee.org
In this paper, an improved recursive algorithm for BLAST is proposed. The speedups of the
improved recursive algorithm over the original recursive algorithm in the number of …

Superposition-based adaptive modulated space time block coding for MIMO-OFDM systems

J Jung, B Kwon, H Park, J Lim - IEEE Communications Letters, 2009 - ieeexplore.ieee.org
We propose a superposition-based adaptive modulated STBC (SPAM-STBC) for MIMO-
OFDM systems to improve adaptive modulation optimization of space time block coding …

A low-complexity decision-directed channel-estimation scheme for OFDM systems with space–frequency diversity in doubly selective fading channels

SD Muruganathan, AB Sesay - IEEE transactions on vehicular …, 2009 - ieeexplore.ieee.org
In this paper, we propose a low-complexity decision-directed channel-estimation scheme,
which offers improved performance for space-frequency-block-coded orthogonal frequency …

[PDF][PDF] A new complexity reduction methods of V-BLAST MIMO system in a communication channel

S Panda, R Samantaray, PK Mohapatra… - International Journal of …, 2019 - academia.edu
To design most reliable wireless communication system we need an efficient method which
can be proposed in this paper is V-BLAST technique which is most powerful tool in MIMO …

PAPR and saturation effects of power amplifiers in SM OFDM and V-BLAST OFDM systems

J Jacob, CM Panazio, T Abrao - 2014 International …, 2014 - ieeexplore.ieee.org
The paper firstly analyzes the complementary cumulative distribution function (CCDF) of the
peak-to-average power ratio (PAPR) of the spatial modulation (SM) and vertical Bell Labs …

Performance analysis and multi-stage iterative receiver design for concatenated space-frequency block coding schemes

TX Lai, SD Muruganathan… - IEEE transactions on …, 2008 - ieeexplore.ieee.org
This paper presents performance analysis and computationally efficient receiver design for
concatenated space-frequency block coded orthogonal frequency division multiplexing …

Low complexity source localization algorithms in sensor networks

J Shirahama, T Ohtsuki, T Kaneko - … of wireless ad hoc, sensor, and …, 2005 - dl.acm.org
One typical use of sensor networks is monitoring targets. The sensor networks classify,
detect, locate, and track targets. The ML (Maximum likelihood) estimation algorithm is one of …