Paper Info
Title
An adaptive modulation precoding scheme for mean BER minimisation of ISI MIMO channels
Abstract
This paper considers a non-linear precoding scheme with adaptive bit loading in order to minimise the average BER for a given target data rate when transmitting over a frequency-selective (FS) multiple-input multiple output (MIMO) channel. The proposed design utilises a recently developed polynomial singular value decomposition (PSVD) to decouple the FS MIMO channel into a number of independent FS single input single output (SISO) subchannels, whereby spectral majorisation inherent on the PSVD leads to a natural ordering of channel gains. The latter is exploited to adaptively allocated the transmission bits to the resulting FS SISO subchannels according to their SNRs. Simulation results show that BER performance can be enhanced for different data rate targets compared to a previously proposed heuristic method as well as to uniform bit loading.
Year
Venue
Keywords
2011
EUSIPCO
mimo communication,adaptive modulation,error statistics,intersymbol interference,minimisation,precoding,singular value decomposition,fs multiple-input multiple output channel,isi mimo channels,psvd,adaptive modulation precoding scheme,channel gains,data rate targets,frequency-selective channel,heuristic method,independent siso subchannels,mean ber minimisation,natural ordering,nonlinear precoding scheme,polynomial singular value decomposition,single input single output subchannels,spectral majorisation,transmission bits,uniform bit loading
Field
DocType
ISSN
Link adaptation,Singular value decomposition,Quadrature amplitude modulation,Control theory,Signal-to-noise ratio,Communication channel,MIMO,Algorithm,Mathematics,Precoding,Bit error rate
Conference
2076-1465
Citations 
PageRank 
References 
0
0.34
10
Authors
2
Name
Order
Citations
PageRank
Waleed Al-Hanafy1235.00
Stephan Weiss211.72