Báo cáo hóa học: " Research Article Adaptive Resource Allocation with Strict Delay Constraints in OFDMA System" ppt
Báo cáo hóa học: " Research Article Adaptive Resource Allocation with Strict Delay Constraints in OFDMA System" ppt
... 2010, Article ID 121080, 14 pages
doi:10.1155/2010/121080
Research Article
Adaptive Resource Allocation with Strict Delay Constraints in
OFDMA System
Naveed Ul Hassan and Mohamad Assaad
Department ... bound
constraints) which help us to write the resource
allocation problem.
(ii) We write the adaptive resource allocation problem
with strict delay cons...
Báo cáo hóa học: " Research Article Channel Resource Allocation for VoIP Applications in Collaborative IEEE 802.11/802.16 Networks" ppt
... Hindawi Publishing Corporation
EURASIP Journal on Wireless Communications and Networking
Volume 2010, Article ID 314397, 11 pages
doi:10.1155/2010/314397
Research Article
Channel Resource Allocation ... existing EDCA modelling schemes are based on
the Bianchi’s work [27], which introduces using the Markov
chain to model DCF.
In our previous work [25], we have developed a sim-
plifi...
Báo cáo hóa học: " Research Article Adaptive Power Allocation in Wireless Sensor Networks with Spatially Correlated Data and Analog Modulation: Perfect and Imperfect CSI Muhammad Hafeez Chaudhary and Luc Vandendorpe" pptx
... P
i
increases with increasing ζ
i
;andforζ
i
>ζ
(o)
i
, the
power allocation is according to inversion in the
channel SNR, that is, increasing ζ
i
decreases P
i
.
(2) The sensors with higher ... performance gain compared to a uniform power allocation scheme.
1. Introduction
Wireless sensor networking is an emerging technology which
finds application in many fields including e...
Báo cáo hóa học: " Research Article Downlink Resource Allocation for Autonomous Infrastructure-based Multihop Cellular Networks" pdf
... optimization problem in (2) along with the con-
straints in (3)–(6) is NP-hard. Moreover, there is a depen-
dency between the constraints in (3)–(6). Using an adaptive
scheme proposed in Section 5, ... possible.
In this paper, we refer to them simply as “k parameters.” In
brief, the proposed adaptive scheme makes the constraints
independent resulting in a balanced traffi...
Báo cáo hóa học: "Research Article Stochastic Resource Allocation for Energy-Constrained Systems" doc
... effects of
inaccuracy in the initial estimates resulting in a system outage
quite clearly. It manifests as a dip in running time across
all the workloads, which in some workloads results in a
noticeable ... Networking
Instead of having the constraint B
i
inside a maximization
operator, we have only a linear combination of the utility
analog A
i
and the constrained functions B
i
. The...
Báo cáo hóa học: "Research Article Multiuser Resource Allocation Maximizing the Perceived Quality" pdf
... Otherwise,
equal resource allocation tends to approach the optimum
resource allocation strategy, leading to diminishing CLO
gains.
7. Conclusion
Resource allocation with QoS constraints where multiple
users ... more
users with the same perceived quality, although in this
case the gains diminish for increasing number of users.
In line with the discussion in Section 6....
Báo cáo hóa học: " Research Article Fixed Point Theorems for ws-Compact Mappings in Banach Spaces" ppt
... 2.32
Hindawi Publishing Corporation
Fixed Point Theory and Applications
Volume 2010, Article ID 183596, 13 pages
doi:10.1155/2010/183596
Research Article
Fixed Point Theorems for ws-Compact Mappings ... > 0. Invoking Theorem 2.1, we infer that there exists y ∈ Q with rFyy.
Let z Fy,soFrzFrFy Fyz.Thus,z ∈ B and B
/
∅. In addition, B is closed,
since Fr is co...
Báo cáo hóa học: " Research Article Video Data Hiding for Managing Privacy Information in Surveillance Systems" ppt
... in macro blocks
with low inter frame velocity. This framework deals only
with minimizing perceptual distortion without considering
the increase in bit rate. Our initial scheme in [16]embeds
the ... data hiding in images: introduc-
ing perceptual criteria into quantization based embedding,” in
Proceedings of the IEEE International Conference on Acoustics,
Speech and Signal Proces...
Báo cáo hóa học: "Research Article Combining Low-Level Features for Semantic Extraction in Image Retrieval" pptx
... com-
bining the output of five different expert classifiers trained
using three different low-level features. In the system intro-
duced in [12], several low-level image primitives were com-
bined in ... concept building using the
multifeature combination metric and using single descriptors.
In order to prove that the multifeature combination met-
ric performs better than any of the combi...
Báo cáo hóa học: " Research Article Design and Performance of Cyclic Delay Diversity in UWB-OFDM Systems" docx
... pages
doi:10.1155/2008/541478
Research Article
Design and Performance of Cyclic Delay Diversity in
UWB-OFDM Systems
Poramate Tarasak, Khiam-Boon Png, Xiaoming Peng, and Francois Chin
Institute for Infocomm Research, ... ξ
eff
. Following the approach in [12], we
have to find the moment-generating function (MGF) and do
inverse Laplace transform in order to obtain p
ξ
eff
(x) and then...