Báo cáo hóa học: " EM-Based Channel Estimation Algorithms for OFDM " docx
Báo cáo hóa học: " Research Article Appropriate Algorithms for EstimatingFrequency-Selective Rician Fading MIMO Channels and Channel Rice Factor: Substantial Benefits of Rician Model and Estimator Tradeoffs" ppt
... the channel is usually needed.
In the literature, three classes of methods for channel
identification are presented. They include training-based
channel estimation (TBCE) [7, 8], blind channel estimation
(BCE) ... semiblind channel estimation (SBCE)
[11, 12]. Due to low complexity and better performance,
TBCE is widely used in pr actice for quasistatic or slow fading
channe...
Báo cáo hóa học: " Multipass Channel Estimation and Joint Multiuser Detection and Equalization for MIMO Long-Code DS/CDMA Systems" potx
... transmitted
packet is known and exploited for channel estimation.
5.2. Numerical bit error rate results
The results of Figure 3 have shown that the performance
of the channel estimation scheme can have a ... excellent performance in MIMO systems also for very
short lengths of the training sequence.
(ii) With regard to the problem of channel estimation,
we extend the least-squa...
báo cáo hóa học:" Research Article Iterative Algorithms for Finding Common Solutions to Variational Inclusion Equilibrium and Fixed Point Problems" ppt
... Applications
Volume 2011, Article ID 915629, 17 pages
doi:10.1155/2011/915629
Research Article
Iterative Algorithms for Finding Common
Solutions to Variational Inclusion Equilibrium and
Fixed Point Problems
J. ... for equilibrium problem variational
inclusion and fixed point problem,” Applied Mathematics and Mechanics, vol. 31, no. 7, pp. 917–928,
2010.
11 S S. Z hang, J. H. W. Lee, an...
báo cáo hóa học:" Optimized spectrum sensing algorithms for cognitive LTE femtocells" docx
... algorithm performance versus the normal FWT algorithm for three decomposition stages in an AWGN channel at -5 dB
SNR and FWT sensing duration of 0.5 ms in case of a regular pattern for LTE channel ... user. Two algorithms have been proposed
for this task; one of them uses the OFDM cyclic prefix for LTE signal detection while the other one uses the
primary synchronization signa...
báo cáo hóa học:" Early disparity estimation skipping for multi-view video coding" potx
... disparity estimation will be performed. When disparity estimation is
performed for the macroblock, the rate-distortion cost of the disparity estimation is
compared with that of motion estimation ... Conclusion
New fast algorithms for MVC using disparity estimation skipping for inter-view
prediction were proposed. The proposed algorithms determine whether disparity
est...
Báo cáo hóa học: " Research Article Iterative Algorithms for Nonexpansive Mappings" potx
... ty−x
t
2.1
exists for each x, y ∈ S and in this case E is said to be smooth. E is said to have a uniformly
Frechet differentiable norm if the limit 2.1 is attained uniformly for x, y ∈ S and ... space.
Recently, Su and Li 21 introduced the following two new iterative algorithms for a
nonexpansive mapping T :for xedu ∈ C, let the sequences {x
n
} and {y
n
} be generated by
x
n...
Báo cáo hóa học: " Fast Iterative Subspace Algorithms for Airborne STAP Radar" potx
... crucial technique for the new generation airborne radar for Doppler spread com-
pensation caused by the platform motion. We here propose to apply range cell snapshots-based recursive algorithms in ... time-based recursive algorithms initially introduced in spectral analysis, array processing, are good candi-
dates. In this paper, we more precisely investigate the performance of FAPI...
Báo cáo hóa học: " Use of Genetic Algorithms for Contrast and Entropy Optimization in ISAR Autofocusing" doc
... Therefore, the optimization
problemcanbewritteninanmathematicalform:
α
= arg
min
α
IE(α)
. (8)
3. OPTIMIZATION ALGORITHMS
3.1. Deterministic algorithms
Deterministic optimization algorithms, ... paper
a solution of this problem is proposed by using genetic algorithms. The performances of the new algorithms that make use of
genetic algorithms overcome the problem with pr...
Báo cáo hóa học: " Research Article Opportunistic Scheduling for OFDM Systems with Fairness Constraints" docx
... optimal for single -channel systems such
as TDMA. However, the same is not the case for multiple-
channel systems.
In this paper, we propose an opportunistic scheduling
framework for multiuser OFDM ... channel- state information and the control
parameters for fairness guarantees.
We assume that the base station knows the perfect
channel- state information for each user over e...
Báo cáo hóa học: " Research Article Opportunistic Scheduling for OFDM Systems with Fairness Constraints" pdf
... optimal for single -channel systems such
as TDMA. However, the same is not the case for multiple-
channel systems.
In this paper, we propose an opportunistic scheduling
framework for multiuser OFDM ... channel- state information and the control
parameters for fairness guarantees.
We assume that the base station knows the perfect
channel- state information for each user over e...