Title :
Digital prefiltering for multiple-input, multiple-output receivers
Author :
Miller, Casey L. ; Taylor, Desmond P.
Author_Institution :
Dept. of Electr. & Electron. Eng., Canterbury Univ., Christchurch, New Zealand
Abstract :
The whitened matched filter (WMF) and the finite-length feed-forward filter (FFF) of a minimum mean-squared error decision feedback equalizer are compared for use as digital prefilters in a multiple-input, multiple-output (MIMO) receiver front-end. For systems that are single-input, single-output (SISO), existing literature has shown the FFF approaches the WMF in the limit as signal-to-noise ratio (SNR) and FFF length go to infinity. In this paper, simulation results are given which show the same appears true in MIMO systems
Keywords :
AWGN channels; MIMO systems; correlation methods; decision feedback equalisers; digital filters; feedforward; filtering theory; least mean squares methods; matched filters; matrix multiplication; radio receivers; AWGN channels; MIMO receiver front-end; MIMO systems; MMSE DFE; SISO systems; SNR; finite-length feed-forward filter; minimum mean-squared error decision feedback equalizer; multiple-input multiple-output; multiple-input multiple-output receivers; signal-to-noise ratio; simulation results; single-input single-output systems; unitary matrix multiplication; whitened matched filter; zero-lag autocorrelation matrix; AWGN; Additive white noise; Decision feedback equalizers; Digital filters; Estimation; Feedforward systems; Field-flow fractionation; MIMO; Receiving antennas; Transmitting antennas;
Conference_Titel :
Communications, 2001. ICC 2001. IEEE International Conference on
Conference_Location :
Helsinki
Print_ISBN :
0-7803-7097-1
DOI :
10.1109/ICC.2001.937083
