Báo cáo hóa học: " Research Article Burst Format Design for Optimum Joint Estimation of Doppler-Shift and Doppler-Rate in Packet Satellite Communications" ppt
... pages
doi:10.1155/2007/29086
Research Article
Burst Format Design for Optimum Joint
Estimation of Doppler-Shift and Doppler-Rate
in Packet Satellite Communications
Luca Giugno,
1
Francesca Zanier,
2
and Marco Luise
2
1
Wiser ... a
low-complexity DA Doppler-shift estimator for the optimal
2P format. Extensions of this algorithm for joint carrier
pha...
... denotes
the set of all fixed points of P
i
(i = 1,2, ,m). Thus the problem of image recovery in the
setting of Hilbert spaces is a common fixed point problem for a family of nonexpansive
mappings.
A well-known ... Point Theory and Applications
[23] S. Reich, “A weak convergence theorem for the alternating method with Bregman distances,” in
Theory and Applications of Nonl...
... events:
deformation, impact, scraping, and rolling (for solids);
explosion, whoosh and wind (for g a s); drip, pour, splash, and
ripple (for liquids). We adopt this taxonomy in the present
research, and ... database and a method for segmenting field recordings to assist sound design.
1. Introduction
Sound designers have traditionally made extensive use of
recordings for...
... Theorems 3.5 and 3.6 extend and improve Theorems 3. 3and3 .4 of Chidume-
Shahzad 17 in the following senses:
i from real uniformly smooth and uniformly convex Banach spaces to real uniformly
convex ... to
a finite family of strict pseudocontractions by replacing the convex combination of these
mappings in the iteration under suitable conditions. The construction of fixed p...
... Chapter
of the Association for Computational Linguistics, Pittburgh, Pa,
USA, 2001.
[23] R. Mandala, T. Tokunaga, and H. Tanaka, “The use of wordnet
in information retrieval,” in Proceedings of the ... remaining tags are returned
in random order. This is how the approach of training a
classifier for each tag, for example, [7–9] would behave for
out of vocabulary tags....
... Therefore, one
of the most challenging issues in designing PAs is the
linearity requirement. The linearization techniques improve
the linearity of PAs, and among them digital predistortion
has gained ... linearization performance of the MOP PD
in the presence of IQ imbalance in terms of convergence
behavior, AM/AM, and AM/PM curves and EVM and ACPR
performances.
The pe...
... detection and decoding techniques for Q-OFDMA
and analyze the performance in Section 3. Finally, we
demonstrate the performance of Q-OFDMA systems using
various detection techniques by simulations in ... on
the received signal
y and the a priori information of
˘
x, that
is, E(
˘
x)andCov(
˘
x,
˘
x). After passing through a demapping
module, the extrinsic information for eac...
... mappings, by Lemma 1.5,itis
a finite family of uniformly Lipschitzian mappings. Hence, the set F of common fixed points
of {S
n
} and {T
n
} is closed and so x
∗
∈ F.
This completes the proof of ... generalization and improvement of the corresponding results in
Osilike et al. 8 and Liu 2 which is also an improvement of the corresponding results in
3, 5–7.
The foll...
... interframe interference (IFI)
and no intersymbol interference (ISI). The whole training
sequence is assumed to be included in the observation
window without knowing the exact starting point. Due ... reference. The position of
the highest peak for each curve in Figure 5 indicates the
timing information and the area around this highest peak
is the most interesting part, since it sho...
... pdf of the soft output of
the receiver and then calculate the BER by computing the
appropriate integral given by (10).
However, in a practical situation, the nature of the
pdf of the observed random ... classification
and speech coding. In this paper, we will focus on the use of
the Kernel method and its use for estimating the BER.
EURASIP Journal on Wireless Communicatio...