Báo cáo hóa học: "Research Article Admission Control and Interference Management in Dynamic Spectrum Access Networks" pot
Báo cáo hóa học: "Research Article Admission Control and Interference Management in Dynamic Spectrum Access Networks" pot
... Communications and Networking
Volume 2010, Article ID 708029, 11 pages
doi:10.1155/2010/708029
Research Article
Admission Control and Interference Management in
Dynamic Spectrum Access Networks
Jorge Martinez-Bauset, ... impact
of incorporating admission control on the forced termi-
nation of SUs and also the impact of deploying channel
allocation with preference...
Báo cáo hóa học: " Research Article Unequal Weighting for Improved Positioning in GPS-Less Sensor Networks" pot
... growth does not result in a significant gain in the
beginning.
Put into more mathematical terms: the function f (x)
=
x
2
remains close to the abscissa for some time before gaining
large values. For ... aims at providing 2D co-
ordinates only. But note that the convex combination
used here works in the same way in 3D, in particular as
we use dimensionless expressions only.
Determinin...
Báo cáo hóa học: " Research Article Admission Control Threshold in Cellular Relay Networks with Power Adjustment" ppt
... constraint (10) is binding at the optimum.
Proof. The accommodation capacity y is an increasing
function of
p
s
and p
r
. However, in decode -and- forward
cooperation, the capacity is not a strictly increasing ... multiple
access (OFDMA) is one of the most promising solutions
to provide a high-performance physical layer in emerging
cellular networks. OFDMA is based on OFDM and inher...
Báo cáo hóa học: " Research Article Network Coding-Based Retransmission for Relay Aided Multisource Multicast Networks" pot
... relay
knows what destinations are waiting for the lost packets to be
retransmitted and then decides how to combine and forward
the data to the intended destinations. In the following, we
introduce some ... packet in
the combined packet should be correctly received by only one destination, similar to the
combination performed for packets in Ω
2
and Ω
3
explained in Algorithm 1....
Báo cáo hóa học: " Research Article Experimental Characterization of a UWB Channel for Body Area Networks" potx
... power and large bandwidth, currently unavail-
able using conventional narrowband systems. In this paper,
both line-of-sight (LOS) and non-line-of-sight (NLOS)
channels with various TX and RX ... 3 and 5 GHz, providing a frequency-domain
resolution of 1.25 MHz. As shown in Figure 4, the following
three conditions are measured.
(a) Line-of-Sight. There is no object obstructing the T...
Báo cáo hóa học: " Research Article Object Association and Identification in Heterogeneous Sensors Environment" doc
... “People tracking with
anonymous and ID-sensors using Rao-Blackwellised particle
filters,” in Proceedings of the International Joint Conference on
Artificial Intelligence, August 2003.
[14] J. Shin, R. ... condition in (3) is not satisfied,
since multiple objects are registered during a single sampling
time of the visual sensor and N (S
x
(t)
) = N (S
ID
(t)
) > 1.
As investigated in...
Báo cáo hóa học: "Research Article A Unified Approach to Optimal Opportunistic Spectrum Access under Collision Probability Constraint in Cognitive Radio Systems" pptx
... “Collaborative spectrum sensing
for opportunistic access in fading environments,” in Proceed-
ings of the 1st IEEE International Symposium on New Frontiers
in Dy namic Spectrum Access Networks ... radio,” in Proceedings of the 42nd Allerton Confer-
ence on Communication, Control and Computing,Monticello,
Ill, USA, October 2004.
[7] G. Ganesan and Y. G. Li, “Cooperative...
Báo cáo hóa học: " Research Article Scheduling Heterogeneous Wireless Systems for Efficient Spectrum Access" ppt
... (Dynamic Open
Spectrum Sharing) was proposed using triband spectrum
allocation, namely, the control band, the data band, and
the busy-tone band. In [30], a common Coordinated Access
Band (CAB) is ... other hand,
spectrum access scheduling is complementary to cognitive
radio in that cognitive radio helps find out the available
spectrum bands to operate on, and spectrum...
Báo cáo hóa học: "Research Article On PHY and MAC Performance in Body Sensor Networks" pptx
... distribution, and reproduction in any medium, provided the original work is properly cited.
1. Introduction
Body Sensor Networks (BSNs) are becoming increasingly
important for sporting activities, ... procedure. In- body sensor
networks are used to restore control over paralyzed limbs,
enable bladder and bowel muscle control, and maintain reg-
ular heart rhythm as well as many oth...
Báo cáo hóa học: " Research Article Stability Analysis and Intermittent Control Synthesis of a Class of Uncertain Nonlinear Systems" doc
... Uncertain Nonlinear Systems
Yali Dong,
1
Shengwei Mei,
2
and Jinying Liu
1
1
School of Science, Tianjin Polytechnic University, Tianjin 300160, China
2
Department of Electrical Engineering, Tsinghua ... switching control 8. It has been used for a variety of
purposes in engineering fields such as manufacturing, transportation, air-quality control,
and communication. Recently, intermi...