... providing a tutorial survey on the bit
and power loading in constrained multicarrier systems and at
reviewing the most popular results on the loading algorithms
for the RM and MM problems. We examine ... Processing
Volume 2008, Article ID 643081, 14 pages
doi:10.1155/2008/643081
Review Article
Bit and Power Allocation in Constrained
Multicarrier Sy...
... 2πf
n
, T
s
is the
sampling period, ζ is the damping factor, and f
n
is the natural
frequency of the loop. In order to guarantee the stability of
the loop, the damping factor ζ and the natural frequency ... respectively. The mean square error
of the estimated SPO is the same in the whole used SNR
range, except for small signal power in the C2 scenario.
T...
... states in the first interval. Whereas in
the other SNR regions, the assigned rate supports the worst
channel state of that region. The average spectral efficiency
of the system (in information bit- per-channel ... MASA
both for the ASE-maximizing transmission scheme and for
the ASEs obtained after optimizing the switching thresholds
and power levels, respectively.
3...
... exploiting the
receiving diversity by using either EGC or MRC, as shown
in Figures 6, 7, 8 ,and9 . Without receiver combining, the
BER is much worse than that in SISO-OFDM, simply because
of the SINR ... Communications and Networking
D
n
t
;m
for the following reception methods: (1)demodulation
without combining, (2)EGC ,and( 3)MRC.
Note that the SINR for each combining scenar...
... mainly route strategies when rec-
ognizing and navigating new spaces, and as a result, they face
great difficulties in integrating the linearly gathered informa-
tion into a holistic map of the ... been working on a proto-
type for the blind in the Virtual Acoustic Space Project. They
have developed a device which captures the form and the
volume of the space in front...
... hand position. On the other hand, the hand position
is obtained as the result of a classification at the instant of
CS hand target [78]. The merging result is obtained as the
combination of the ... the RMD
model (recoding in the dominant modality), the auditory
modality is the dominant one in speech. The visual modality
predicts the spectral structure of the dom...
... rather than the traditional sign-magnitude
form for the wavelet coefficients increases the proportion of
zero bits in the bitplanes, thereby increasing coding efficiency
back to equal the original ... image in Figure 1(a). In a 2D dyadic
DWT, the original image is decomposed into four subbands
each being one fourth the size of the original image, and
the lowest-resolutio...
... to that of Theorem 3.3 a combined proof of
Theorems 3.1 and 3.2 and is therefore omitted.
By using the same methods as in the proof of Corollary 3.4, the following result is
obtained.
Corollary ... univalent
function q.Thetheoryofdifferential subordination in
is a generalization of a differential
inequality in
, and this theory of differential subordination was initiated by...
... resistance-strain sensitivity when
strain hardening initiates. The change in piezoresistivity
correlates the cracking in the ECC matrix and results in a
nonlinear change in the material conductivity. Additional
work ... measurement. The initial resistivity
changes with hydration degree and increases with DC
polarization. An interesting feature of the material lies in...
... if the HS-DSCH is active, the total
transmit power is equal to the target power. Otherwise, it
consist only of the DCH transmit power and the transmit
power for common channels. Introducing the ... the corresponding data rates.
With MaxTBS scheduling, the first and second users leave
the system faster than with the other disciplines (indicated
by the vertical d...