Joint angle and delay estimation using shift-invariance techniques
van der Veen, A.-J.
Vanderveen, M.C.
Paulraj, A.
Dept. of Electr. Eng., Delft Univ. of Technol. ;
This paper appears in: Signal Processing, IEEE Transactions on
Publication Date: Feb 1998
Volume: 46,
Issue: 2
On page(s): 405-418
ISSN: 1053-587X
References Cited: 24
CODEN: ITPRED
INSPEC Accession Number: 5833880
Digital Object Identifier: 10.1109/78.655425
Current Version Published: 2002-08-06
Abstract
In a multipath communication scenario, it is often relevant to
estimate the directions and relative delays of each multipath ray. We
derive a closed-form subspace-based method for the simultaneous
estimation of these parameters from an estimated channel impulse
response, using knowledge of the transmitted pulse shape function. The
algorithm uses a two-dimensional (2-D) ESPRIT-like shift-invariance
technique to separate and estimate the phase shifts due to delay and
direction of incidence with automatic pairing of the two parameter sets.
Improved resolution is obtained by enlarging the data matrix with
shifted and conjugated copies of itself
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