Báo cáo hóa học: " Research Article Throughput Maximization under Rate Requirements for the OFDMA Downlink Channel with Limited Feedback" pot
Báo cáo hóa học: " Research Article Throughput Maximization under Rate Requirements for the OFDMA Downlink Channel with Limited Feedback" pot
... 2008, Article ID 437921, 14 pages
doi:10.1155/2008/437921
Research Article
Throughput Maximization under Rate Requirements for
the OFDMA Downlink Channel with Limited Feedback
Gerhard Wunder,
1
Chan ... use the
simulation method given in [17] to generate the erroneous
blocks.
Clearly, the better the scheduling works the more accu-
rate the CQI repor...
Báo cáo hóa học: " Research Article Convergence Theorems Concerning Hybrid Methods for Strict Pseudocontractions and Systems of Equilibrium Problems" pot
... assumption, the inequality holds, in particular, for all z ∈ Ω.
This together with the definition of Q
n1
implies that Ω ⊂ Q
n1
. Hence Ω ⊂ Q
n
holds for all
n ≥ 1. Thus Ω ⊂ C
n
∩ Q
n
, and therefore the ... apply the hybrid methods to the parallel algorithm for finding a common
element of the fixed point set of strict pseudocontractions and the solution set of the prob...
báo cáo hóa học:" Research Article A New Conservative Difference Scheme for the General Rosenau-RLW Equation" pot
... 0.
Theorem 2.10. Suppose that the conditions of Theorem 2.9 are satisfied, then the solution of scheme
2.3–2.5 converges to the solution of problem 1.1–1.3 with order Oτ
2
h
2
in the ... 1, 2,and3 give the errors in the sense of L
2
-norm and L
∞
-norm of the numerical
solutions under various steps of τ and h at t 60 for p 2, 3 and 6. The three tables ver...
báo cáo hóa học:" Research Article Accurate Bit Error Rate Calculation for Asynchronous Chaos-Based DS-CDMA over Multipath Channel" pptx
... approach, neither the constant bit energy assumption,
nor the Gaussian approximation for the decision variable is
considered to compute the performance of the chaos-based
communication system. The BER ... necessary to get the bit energy distribution before
computing the BER. Figure 2 gives the histogram of the
bit energy for the PWL spreading sequence and for a
spr...
Báo cáo hoa học: " Research Article Necessary and Sufficient Conditions for the Existence of Positive Solution for Singular Boundary Value Problems on Time Scales" pot
... U.Cally
∇
t the nabla derivative of yt at the point t.
If T R then f
Δ
tf
∇
tf
t.IfT Z then f
Δ
tft 1 − ft is the forward
difference operator while f
∇
tft − ft − 1 is the ... minimum t
2
, then T
k
T − t
2
, otherwise
T
k
T.
Definition 2.3. Fix t ∈ T and let y : T → R. Define y
Δ
t to be the number if it exists with
the property that giv...
Báo cáo hóa học: " Research Article An Efficient Watermarking Technique for the Protection of Fingerprint Image" doc
... areas:
the foreground and the background. The foreground or
ridges area is the component that originates from the
contact of a fingertip with the sensor. The noisy area at
the borders of the image ... 7 and 8 for the DCT and the DWT
domains, respectively. As can be seen, for images form DB2
and DB3, the BER is lower for the proposed technique than
that for...
Báo cáo hóa học: " Research Article Practical Quantize-and-Forward Schemes for the Frequency Division Relay Channel" potx
... in the context of the point-to-point Gaussian
channel. In the context of the relay channel we know that the
source-relay channel quality also plays a role in the receiver
performance. Therefore, ... Since the source-destination channel is
assumed to be orthogonal to the relay-destination channel
(i.e., the forward channel) , the destination receives two dis-
tinc...
Báo cáo hóa học: "Research Article An Image Content Description Technique for the Inspection of Specular Object" ppt
... set for all the
three classifiers are highlighted with an
∗
. The best results for
each of the five image sets for the 1-NN classifier are depicted
in brackets ( ). Then, best results for all the ... 7: Rate C
P
of correctly classified patterns for five image sets with Stripe’s features. The best rates C
P
for each image set are shown by
an
∗
. The best rates C
P
f...
Báo cáo hóa học: " Research Article Experimental Evaluation of Adaptive Modulation and Coding in MIMO WiMAX with Limited " docx
... (e.g., with or without full channel knowledge at the
transmitter). We will therefore base the calculation of the
achievable data throughput on the mutual information.)
Equation (4) assumes that the ... 7 shows the throughput in the same scenario
plotted over receive SNR. The throughput for the 1
×2system
here is equal to the throughput of the 2
×2 Alamouti...
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