... 2008, Article ID 594928, 15 pages
doi:10.1155/2008/594928
Research Article
A Diversity Guarantee and SNR Performance for
Unitary Limited Feedback MIMO Systems
Bishwarup Mondal and Robert W. Heath ... results show
that the approximation in (27) is reasonably accurate even at
small values of N and provides a practical characterization of
performance.
4.5. Obser...
... Diversity Guarantee and SNR Performance for
Unitary Limited Feedback MIMO Systems
Bishwarup Mondal and Robert W. Heath Jr.
Department of Electrical and Computer Eng ineering, The University of Texas at ... precoding is the
transmit array gain which is also a ected due to precoder
quantization. An analytical characterization of the loss in ar-
ray gain due to quantizat...
... filter was varied
systematically, and an ideal target signal detection algorithm
performance was mimicked by allowing the filter adapt only
in the absence of the target signal. Delay D3 was set ... was
conveniently available for measurements and its acoustic
properties were reasonably close to that of an imaginary
average room found in an earlier study [10], and to the
simulated rever...
... both real and imaginary parts as in CMA
and MMA, only one dimension, the real or imaginary part,
is considered in SCMA, which makes it very attractive for
practical implementation especially when ... 1343–1348,
1997.
[16] C. B. Papadias and A. J. Paulraj, A constant modulus al-
gorithm for multiuser signal separation in presence of delay
spread using antenna arrays,” IEEE Signal P...
... the
bigram-PLSA models an unfair advantage by allowing them
to adapt the model parameters to the test data. Nevertheless,
we applied it to avoid overfitting.
To have a valid comparison, the PLSA and ... in language modeling. Latent topic modeling
approaches such as Latent Semantic Analysis (LSA) [1,
2], Probabilistic Latent Semantic Analysis (PLSA) [3], and
Latent Dirichlet Allocation (L...
... subsample subsample subsample subsample subsample subsample subsample (70%)
ratio ratio ratio ratio ratio ratio ratio ratio
PSNRY ΔPSNRY ΔPSNRY ΔPSNRY ΔPSNRY ΔPSNRY ΔPSNRY ΔPSNRY ΔPSNRY
Dancer ... subsample approach is feasible
and scalable for either hardware or software implementation.
The proposed approach is not limited for FSBM, but valid for
all kinds of FBMAs. The proposed ap...
... cooperate
with people as capable partners, that are able to learn
from natural human instruction and that are intuitive and
engaging for people to interact with, but that are also able to
simultaneously ... have implemented two basic behaviors
in this stage: a visual natural landmark detector and a
human gesture recognition behavior. These behaviors are
the responsible for provi...
... Speed-Adaptive Media-Data
Encryption (SAME)
Statistical char acteristics of compressed audio/video data
are dramatically different from the ones of text data,
because the variable-length codes and other ... level. Based on this
statistical characteristic of media data, we extend the idea of
VEA algorithm to a new method that uses traditional block
cipher to encry pt a part of data (part...
... slots before issuing a DSC packet. Once again, it
Table 1: Relevant simulation parameters.
CSMA/CA PHY layer and 2C-WSN
Parameter Value Parameter Value
macMinBE 3 Radio
datarate
250 kbps
macMaxBE ... complete a
father -and- child association, AAO. Recall that this operation
consists of exchanging four packets: DSC, DLY, ACK
S
,and
ACK
F
. Several trials were conducted placing the node...
... Wireless Systems,
Barcelona, Spain, May 2010.
[20] I. Askoxylakis, K. Markantonakis, T. Tryfonas, J. May, and A.
Traganitis, A face centered cubic key agreement mechanism
for mobile ad hoc networks,” ... following: there are
two parties A, B that share a password P.Bothpartiesuse
a suitable symmetric cryptosystem but entity A has also the
ability to create a random asymmetric...