... Communications and Networking
Volume 2009, Article ID 315264, 17 pages
doi:10.1155/2009/315264
Research Article
Digital Receiver Design for Transmitted Reference
Ultra-Wideband Systems
Yiyin Wang, Geert ... a
transmitted- reference UWB receiver, ” Wireless Communica-
tions and Mobile Computing, vol. 5, no. 5, pp. 537–549, 2005.
[17] Y. Wang, G. Leus, and A J. van der Vee...
... Wireless Communications and Networking
Volume 2009, Article ID 953018, 9 pages
doi:10.1155/2009/953018
Research Article
Advanced Receiver Design for Quadrature OFDMA Systems
Lin Luo,
1, 2
Jian (Andrew) ... improve the bit error ratio (BER) performance. It is shown that
advanced detections, for example, DFE and turbo receiver, can significantly improve the performance of Q-OFDMA.
C...
... method to design allotted LDPC
codes for DMT channels. The method is general and can be
used for every nonuniform channel. This method allows for
design of optimized LDPC codes which outperform conven-
tional ... Journal on Advances in Signal Processing
Volume 2007, Article ID 76146, 9 pages
doi:10.1155/2007/76146
Research Article
LDPC Code Design for Nonuniform Power-Line C...
... the
IEEE Information Theory Workshop on Information Theory for
Wireless Networks (ITW ’07), pp. 1–5, July 2007.
[11] J. S. Harsini and F. Lahouti, “Adaptive transmission policy
design for delay-sensitive ... are
negative; therefore, there exists v for which strict inequality
holds in constraint C1.
To solve the optimization problem (10) for AMC mode
switching levels of v, the Lagran...
... Corporation
Journal of Inequalities and Applications
Volume 2009, Article ID 649427, 7 pages
doi:10.1155/2009/649427
Research Article
An Exponential Inequality for Negatively
Associated Random Variables
Soo Hak ... inequality for associated random variables,” Statistics &
Probability Letters, vol. 77, no. 18, pp. 1730–1736, 2007.
8 G. Xing and S. Yang, “Notes on the exponential...
... Corporation
Journal of Inequalities and Applications
Volume 2008, Article ID 243863, 8 pages
doi:10.1155/2008/243863
Research Article
Strict Stability Criteria for Impulsive Functional
Differential Systems
Kaien ... systems can represent a truer framework for
mathematical modeling of many real world phenomena. Recently, several papers dealing with
stability problem for impulsive fun...
... waits for a message if the buffer is
empty. Therefore, the receive primitives are of blocking type,
whereas the sent primitives are of nonblocking type.
We assume a simple message format for interprocess
communication. ... link between a
pair of processes i and j consists of two FIFO channels: one
for transmitting messages form i to j and one for transmit-
ting messages from j to i. We...
... estimator for the optimal
2P format. Extensions of this algorithm for joint carrier
phase/Doppler-shift and Doppler-rate estimation for the 2P
format, the 3P format, and the sub-optimum 4P format, ... the CRB for the estimation of Doppler-shift and
Doppler-rate are derived. O ur analysis showed that the 2P
format is optimum for Doppler-shift estimation and that the
3P format is opti...
... either uniform QPSK or
uniform 8-PSK without channel coding.
(2) A 2-layer system using nonuniform 8-PSK without
channel coding.
(3) A single-layer system using either uniform QPSK or
uniform 8-PSK ... performance
of our proposed adaptive 2-layer modulation/coding scheme
7
Typically, for a uniform MPSK sig naling scheme, we would expect R
(1)
c
≤
R
(2)
c
to optimize the performance. However...
... as
function of L,forexample,t
sync
= 15 is suitable for L = 2,
while t
sync
20 is appropriate for L = 8. The designed se-
quence performs best in that the SNR value, at which the
curves for successful ... preamble was designed with d
= 0.82 in (14) (according
to [24]),anditwillbereferredtoas“designedpreamble”and
denoted by p
design
in the following.
The two reference preambles are...