TY  - INPR
ID  - SisLab4454
UR  - https://eprints.uet.vnu.edu.vn/eprints/id/eprint/4454/
A1  - Le, Trung Thanh
A1  - Karim, Abed Meraim
A1  - Nguyen, Linh Trung
Y1  - 2021/08//
N2  - In this paper, we derive two performance lower bounds
for blind system identification in the presence of channel order
estimation error. The first bound deals with models where
both the channel and unknown symbols are deterministic, and
obtained via the constrained misspecified Cramer-Rao bound
(MCRB). When transmitted symbols are unknown random variables i.i.d. drawn from a stochastic Gaussian process, variance
of any unbiased estimators is always higher than the second
MCRB bound. Both proposed MCRB bounds reduce to the
classical Cramer-Rao bounds when the channel order is known
or accurately estimated. Besides, the stochastic MCRB is lower than the deterministic bound, especially at high SNRs
TI  - Performance lower bounds of blind system identification techniques in the presence of channel order estimation error
M2  - Dublin, Ireland
AV  - none
T2  - 29th European Signal Processing Conference
ER  -