Báo cáo hóa học: " Research Article Tree Based Protocol for Key Management in Wireless Sensor Networks" pptx
Báo cáo hóa học: " Research Article Tree Based Protocol for Key Management in Wireless Sensor Networks" pptx
... Corporation
EURASIP Journal on Wireless Communications and Networking
Volume 2010, Article ID 910695, 10 pages
doi:10.1155/2010/910695
Research Article
TreeBasedProtocolforKeyManagementin
Wireless Sensor Networks
M ... the
hardest attack: node compromising.
3. STKM: A Spanning Tree- Based Key
Management Solution for WSNs
In this section, we describe a new key managem...
Báo cáo hóa học: "Research Article Low-Complexity One-Dimensional Edge Detection in Wireless Sensor Networks" ppt
... s/2.Asonecansee,forhighvaluesof
p,
10 EURASIP Journal on Wireless Communications and Networking
for increasing variability of the communication link quality
(i.e., for increasing values of η
c
) the performance ... surrounding this
area: in the example in Figure 1(a) there are six sensors.
(In the remainder of this paper, by sensor we will denote
the wireless transceiver which i...
Báo cáo hóa học: "Research Article Cooperative Localization Bounds for Indoor Ultra-Wideband Wireless Sensor Networks" pdf
... various
applications [1]. Localization information in WSNs is an
enabling technology since sensor nodes deployed in an
area, in general, require position information for routing,
energy management, and application-specific ... the
paper in Section 5.
2. TOA -BASED RANGING IN INDOOR
MULTIPATH ENVIRONMENTS
2.1. Ranging coverage
One of the major factors determining the quality of...
Báo cáo hóa học: " Research Article Channel MAC Protocol for Opportunistic Communication in Ad Hoc Wireless Networks'''' doc
... to zero in chains
2 and 4, whereas other chains attain higher throughput than
the mean. In contrast, this severe unfairness among the
saturated chains decreases in Channel MAC by maintaining
the ... on Advances in Signal Processing
Volume 2009, Article ID 368209, 17 pages
doi:10.1155/2009/368209
Research Article
Channel MAC Protocol for Opportunistic Communication in
Ad Ho...
Báo cáo hóa học: " Research Article Tree-Based Distributed Multicast Algorithms for Directional Communications and Lifetime Optimization in Wireless Ad Hoc Networks" pptx
... dark arrows indicate links that are included into
thetreeinsearch phases and the lig h t arrows indicate the links that
are included into the tree in grow phases.)
Finally, it remains to show ... w
vu
in the min-max tree
formation is in an increasing order and the final one
in the sequence is equal to δ
min
.
(6) After the multicast members are all in the tree, all re-
dundant l...
Báo cáo hóa học: " Research Article Vision-Based Unmanned Aerial Vehicle Navigation Using Geo-Referenced Information" pptx
... fuses information from inertial sensors
with information from a vision system based on a passive
monocular video camera. The vision system replaces the GPS
signal combining position information ... concept. The sensor fusion architecture developed
combines vision -based information together with inertial
information in an original way resulting in a light weight
system with real-time...
báo cáo hóa học:" Research Article FPSoC-Based Architecture for a Fast Motion Estimation Algorithm in H.264/AVC" doc
... predictors in PowerPC
MVs
S2: obtain min MV cost and perform mode decision in PowerPC
min
MV, min SAD cost, blocktype and base address
S3: min
MV, min SAD cost and address in IP core
min
MV, min SAD ... percentage time savings t for ME
calculation, according to
t
=
1 −
1
r
×
100, (6)
where r are the data points in Table 3. The percentage time
savings obtained are displayed in...
Báo cáo hóa học: " Research Article Range-Based Localization for UWB Sensor Networks in Realistic Environments" pdf
... programming
approach to NLOS error mitigation in sensor networks,” in
Proceedings of the 5th International Conference on Informa-
tion Processing in Sensor Networks (IPSN ’06), pp. 301–308,
Nashville, ... Article
Range -Based Localization for UWB Sensor Networks in
Realistic Environments
Guowei Shen, Rudolf Zetik, Ole Hirsch, and Reiner S. Thom
¨
a
Department of Electrical...
Báo cáo hóa học: " Research Article Demosaicking Based on Optimization and Projection in Different Frequency Bands" pdf
... example for the proposed algorithm is
shown in Figure 2. A row-crossing edgy part is used to illus-
trate the main steps. The dashed lines in the graphs indicate
the original values for the blue ... described in more detail
in the following subsections.
2.1. Initial interpolation
As stated above, interpolation of the initial green values is
an essential step. We use a modified edge...
Báo cáo hóa học: " Research Article Positioning Based on Factor Graphs Christian Mensing and Simon Plass" pptx
... that the performance of
the Chan-Ho (CH) method—especially in the most interest-
ing case of N
BS
= 3—is considerably worse.
We are also interested in CDFs for investigating the per-
formance of ... (PDFs). For ex-
ample, in a decoding scenario of Hamming codes, the factor
nodes describe the parity check constraints and the messages
passed in the FG consist of the extrinsic soft i...